My Radiator Won't fit - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Pole Kitty · 12-26-2008, 04:27 PM

Ok, so I bought a new Radiator, one of those 4 row super HD that will cool anything but an reactor, Well it doesn't fit right. The problem is that top brackets are about 1/2" to 3/4" to high to fit flush with the support. I noticed that the spot where the lower brackets sit is raised about that same distance at the bottom of the support. I don't know if that area where the bottom brackets attach is suppose to be raised on a 1968, or is it flat along the rear of the support on the new supports ( I will be getting a new one soon). I measured the new radiator and compared the overall height to the 2 row that I removed and it is about 1/2" differance. I didn't know if the HD radiator supports that I bought from Brothers might be the issue, or the radiator that I got locally. Any help would be greatfull before I start cutting and beating this thing in to position.

**LockDoc** · 12-26-2008, 09:36 PM

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The four row will use different top and bottom supports than the two row. I would also get new rubber pads for the top & bottom supports. If the radiator is the correct one for the truck I would think it would be the same dimensions as the old one... There might be a small difference but I wouldn't think it would be a half inch.

LockDoc

Pole Kitty · 12-26-2008, 10:13 PM

I bought new rad. supports and rubber pads. I am wondering if the front support is a little differant where the lower rad. support mounts?

**LockDoc** · 12-26-2008, 10:17 PM

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To the best of my knowledge the core supports are all the same where the lower support brackets mount...

LockDoc

71tahoe · 12-27-2008, 11:17 AM

My radiator support needed a little relief where the lower pads mount. This may be causing the rad to stick up a half inch.

HavinSomeFun · 12-27-2008, 12:02 PM

I had to move my lower mounts to the outer position and it fit like a glove.

Pole Kitty · 12-27-2008, 01:21 PM

The lower rad. mount on the R/H side was moved to the outer position and I did have to cut (or notch) the 2 areas where the lower mounts fit so they would fit flat against the core support, but it's still to high for the upper mounts to fit flush. Has anybody taken pics of a new core support in the area where the the lower rad. mounts sit so I can compare them with a original support?

**Classic Heartbeat** · 12-27-2008, 01:27 PM

If your brackets are too high, then the radiator is the problem. If it is not a direct replacement for the OEM equipment, then you may have to modify the truck for it to fit. Or get the correct replacement radiator. WES

Pole Kitty · 12-27-2008, 01:42 PM

Thanks WES, I was afraid of that. When I measured the stock and the new rad. and found a 1/2" diff. in overall height I figured I would encounter a problem, But you buy a replacement that covers the years between 68-72 you would think it will fit. For the price of the rad. ($245) I think I can do a little mod or 2 to make it fit. Has any bought from BROTHERS, the HD rad. mount kit? I was wondering of the upper mounts might be part of the problem.

**Classic Heartbeat** · 12-27-2008, 01:49 PM

The kit that you will get from Brothers is for a direct replacement radiator. The amount of cores or rows as some people call them will only effect the thickness of the radiator. Not the height or width. So if the radiator is too short it is too short. No matter what brackets you use. The brackets for the 4 row radiator alow for the extra thickness that the 4 row radiator has. WES

**Classic Heartbeat** · 12-27-2008, 01:51 PM

I hope I explained that well and didn't confuse you... I just about confused myself typing it...lol WES

Pole Kitty · 12-27-2008, 02:18 PM

Nope, I understood it fine. The tanks are the same for the 3 or 4 row (core), which is where the rad. supports attach. I guess I will modify the Front core support to allow the Rad. to drop about 3/4". Thats going to be a lot of work for just a small detail. But what the heck,It's just a truck, right?

**Classic Heartbeat** · 12-27-2008, 02:52 PM

The tanks are the same for the 2 and 3 row radiators. It is the 4 row radiator that got the wider tanks. Height and width of the overall radiator including the tanks are the same. WES

67ChevyRedneck · 12-27-2008, 04:41 PM

I'm still a little confused... are you sure you have the right brackets? If your truck did not have a 4 row before, the bottom mounts are riveted in place, you have to drill them out to install the wider 4 row brackets. The top brackets are wider as well. 2 and 3 row radiators have the same width tank, with the 2 row using the "inside" mounting position on the passenger side and the 3 row using the "outside" mounting position. A 4 row uses the "outside" mounting position AND wider brackets. If the rubber and brackets do not easily/snugly fit over top/bottom of the tank, they are the wrong ones. I apologize if you have replaced them to the 4 row type, but your posts aren't very clear on that. I can only assume that the tanks/radiator is sitting "higher" because it wont fit down into the narrower 2/3 core brackets. I too discovered this difference when I bought my 4 row earlier this year.

Also, I picked up a factory style 4 row automatic radiator from Advance Auto for right around $200, they even had it in stock!

**Boog** · 12-27-2008, 05:50 PM

I also had some fit issues with mine. I bought an aftermarket 4 row rad for my 69 that originally had a 6 cyl engine. I bought new upper and lower brackets and pads from my local Chevy dealer. With the new rad put in place it seemed to be too tall for the upper brackets to bolt down. I put it off on the newer rubber pads and bolted it down anyway. I don't remember if it was 1/2" high or not but the upper brackets weren't level like the old ones. It isn't going to go anywhere for sure!

I also have another issue with this rad and it's the stock fan shroud will not bolt in place without modifying it. It is not for the 4 row rad.

69chevybmx · 01-08-2009, 06:38 PM

I had this same exact problem. i got a new HD radiator allegedly a direct replacement. i also purchased the HD brackets from LMC thinking the upper bracket for the HD radiator would be different. to my surprise, they are the same, (kind of). The OE brackets on my 69 were two different sizes. The side with the fill cap was a larger length because the tank on that side was wider. the tank on the other side of the radiator was about 2" thinner. The HD brackets that i received were the same size as the larger of the OE brackets. The lower mounts and pads were also the same size. i ended up modifying the new brackets that i bought (against my will) along w/ the new rubber pads. between the upper and lower i was able to shave off enough to get it to clear. I am still not happy with the fit though and i will be modifying the core support to make it sit flush.

BLACK AND BLUE 67-72 · 01-08-2009, 06:47 PM

Have you tightened the radiator down yet? Mine set a little too high until I tightened the top mounts down, you will also have to notch the lower support because the brackets are longer.

eightbanger · 01-08-2009, 07:28 PM

Quote:

Originally Posted by Pole Kitty

Nope, I understood it fine. The tanks are the same for the 3 or 4 row (core), which is where the rad. supports attach. I guess I will modify the Front core support to allow the Rad. to drop about 3/4". Thats going to be a lot of work for just a small detail. But what the heck,It's just a truck, right?

No they're not just Trucks.....not anymore.

Bought my replacment 4 core rad and support bracket rubbers from Classic Heartbeat...perfect fit. Definately follow the advice of Classic Heartbeat & 67ChevyRedneck on this and you won't go wrong...provided your tying to fit a 4row where a 4 row came from in the first place.

LiveWire64 · 01-08-2009, 08:19 PM

Maybe the new radiator is for a 73 & up year Chevrolet truck. I put a 4-row out of my 77 454 Suburban in my 72 van. The radiator is taller. I ordered new 4-row top mounts & 4 new mounting rubbers. Here is a pic of how I modified the mounts. Hope this helps,Brad

Ricebird · 03-02-2017, 07:07 PM

Sorry for dredging up an 8-year-old post, but I'm putting a new radiator in my '68 and have been looking at all of these issues because I am facing some of them now myself. Like most, I was told to upgrade to a 4-row from my stock unit. I don't have a/c now but have been considering a Vintage Air unit for the future. No need to put a small radiator in now and have to upgrade later. I ordered new, longer brackets, upper and lower, along with the pads. Finally got my old radiator out last night and discovered that the lower brackets are welded in place. Also discovered that the new lower brackets won't fit in the radiator support pan. I see where you have to drill out the weld and then notch the flange so the longer brackets will work. I don't weld, so my first question is how does everyone else fasten the new brackets in place. Next, do I have to cut the support pan flange off completely or does the new radiator not hit it (haven't test-fit the radiator yet). Finally, I ordered a new shroud but don't know how it fastens on the bottom. The old one bolted to the support flange. Thanks for any advice!

Orange67 · 03-02-2017, 08:19 PM

As far as the bottom brackets, those should be rivets, but with these trucks anything is possible. The shroud, which also needs to be for the larger 4 core, there are "S" shaped brackets that the bottom slides into. I can't remember where I found mine. Hope that helps.

Z10 · 03-03-2017, 02:10 AM

Try this
http://www.speedcooling.com/1967_197..._Radiator.html

Made in USA, drops right in. I've run one for over 11,000 miles and 3 summers in Hot West Texas, cooling a warmed up ZZ4 with TPI and A/C with zero issues.

Also a quality 2 row will cool better than a 3 or 4 core. It's counter intuitive. Some light reading:
http://www.pirate4x4.com/forum/gener...rass-tech.html

You can see my install on my build thread.

And lastly some visuals:

Ricebird · 03-03-2017, 12:06 PM

Thanks, Orange67 and Z10! Got the original lower brackets drilled out, flange notched and new brackets pop-riveted in place. Actually ordered and have the new radiator that you recommend, Z10, so I feel good about that decision. It drops right in but the brackets appear to set a little higher, probably due to the new pads. I appreciate all of the great info and I'm sure I'll need more assistance in the near future!

Z10 · 03-03-2017, 10:56 PM

Quote:

Originally Posted by Ricebird

Thanks, Orange67 and Z10! Got the original lower brackets drilled out, flange notched and new brackets pop-riveted in place. Actually ordered and have the new radiator that you recommend, Z10, so I feel good about that decision. It drops right in but the brackets appear to set a little higher, probably due to the new pads. I appreciate all of the great info and I'm sure I'll need more assistance in the near future!

Happy to help.

Ricebird · 03-09-2017, 06:43 PM

Got my new radiator in and it fits fine but I have another question. My '68 has a powerglide transmission and, therefore, my new radiator has an integrated transmission oil cooler. I know I lost some fluid with the change so my question is, what transmission fluid is compatible with my powerglide? Can I top off my fluid (that is probably more than 20 years old) with the newest version (Dexron, I think)?

12-26-2008, 04:27 PM	#1
Pole Kitty Registered User Join Date: Sep 2005 Location: Denton, Texas Posts: 44	My Radiator Won't fit Ok, so I bought a new Radiator, one of those 4 row super HD that will cool anything but an reactor, Well it doesn't fit right. The problem is that top brackets are about 1/2" to 3/4" to high to fit flush with the support. I noticed that the spot where the lower brackets sit is raised about that same distance at the bottom of the support. I don't know if that area where the bottom brackets attach is suppose to be raised on a 1968, or is it flat along the rear of the support on the new supports ( I will be getting a new one soon). I measured the new radiator and compared the overall height to the 2 row that I removed and it is about 1/2" differance. I didn't know if the HD radiator supports that I bought from Brothers might be the issue, or the radiator that I got locally. Any help would be greatfull before I start cutting and beating this thing in to position. __________________ 1968 Chevy shortbed fleetside Pro Street

12-26-2008, 09:36 PM	#2
LockDoc The Older Generation Join Date: Aug 2006 Location: Montezuma, Iowa Posts: 25,388	Re: My Radiator Won't fit - The four row will use different top and bottom supports than the two row. I would also get new rubber pads for the top & bottom supports. If the radiator is the correct one for the truck I would think it would be the same dimensions as the old one... There might be a small difference but I wouldn't think it would be a half inch. LockDoc __________________ Leon Locksmith, Specializing In Antique Trucks, Automobiles, & Motorcycles (My Dually Pickup Project Thread) http://67-72chevytrucks.com/vboard/s...d.php?t=829820 -

12-26-2008, 10:13 PM	#3
Pole Kitty Registered User Join Date: Sep 2005 Location: Denton, Texas Posts: 44	Re: My Radiator Won't fit I bought new rad. supports and rubber pads. I am wondering if the front support is a little differant where the lower rad. support mounts? __________________ 1968 Chevy shortbed fleetside Pro Street

12-26-2008, 10:17 PM	#4
LockDoc The Older Generation Join Date: Aug 2006 Location: Montezuma, Iowa Posts: 25,388	Re: My Radiator Won't fit - To the best of my knowledge the core supports are all the same where the lower support brackets mount... LockDoc __________________ Leon Locksmith, Specializing In Antique Trucks, Automobiles, & Motorcycles (My Dually Pickup Project Thread) http://67-72chevytrucks.com/vboard/s...d.php?t=829820 -

12-27-2008, 11:17 AM	#5
71tahoe Registered User Join Date: May 2006 Location: Jonesboro, AR Posts: 916	Re: My Radiator Won't fit My radiator support needed a little relief where the lower pads mount. This may be causing the rad to stick up a half inch.

12-27-2008, 12:02 PM	#6
HavinSomeFun Still Just Havin Some Fun! Join Date: Jun 2007 Location: Piedmont, Oklahoma Posts: 1,145	Re: My Radiator Won't fit I had to move my lower mounts to the outer position and it fit like a glove. __________________ a green one with some stuff done to it....

12-27-2008, 01:21 PM	#7
Pole Kitty Registered User Join Date: Sep 2005 Location: Denton, Texas Posts: 44	Re: My Radiator Won't fit The lower rad. mount on the R/H side was moved to the outer position and I did have to cut (or notch) the 2 areas where the lower mounts fit so they would fit flat against the core support, but it's still to high for the upper mounts to fit flush. Has anybody taken pics of a new core support in the area where the the lower rad. mounts sit so I can compare them with a original support? __________________ 1968 Chevy shortbed fleetside Pro Street

12-27-2008, 01:27 PM	#8
Classic Heartbeat Project Junkie! Fishing Poor!! Join Date: Dec 1999 Location: Olympia,Wa. 98512 Posts: 10,770	Re: My Radiator Won't fit If your brackets are too high, then the radiator is the problem. If it is not a direct replacement for the OEM equipment, then you may have to modify the truck for it to fit. Or get the correct replacement radiator. WES __________________ On-line catolog Classic Heartbeat Pickup Parts WEHEPP@comcast.net Call us Toll Free (888) 338-2502 Like Us on Facebook No appointment necessary. 72 BB Chevy Custom Deluxe / Custom Camper 67 I-6 (Soon to be 5.7 LS1) Panel 68 BB Chevy Short Bed 72 6.0 LQ9 Short Bed Chevy 4X4 Olympia's fastest growing truck parts supplier. Olympia's home for Wayward Chevys

12-27-2008, 01:42 PM	#9
Pole Kitty Registered User Join Date: Sep 2005 Location: Denton, Texas Posts: 44	Re: My Radiator Won't fit Thanks WES, I was afraid of that. When I measured the stock and the new rad. and found a 1/2" diff. in overall height I figured I would encounter a problem, But you buy a replacement that covers the years between 68-72 you would think it will fit. For the price of the rad. ($245) I think I can do a little mod or 2 to make it fit. Has any bought from BROTHERS, the HD rad. mount kit? I was wondering of the upper mounts might be part of the problem. __________________ 1968 Chevy shortbed fleetside Pro Street

12-27-2008, 01:49 PM	#10
Classic Heartbeat Project Junkie! Fishing Poor!! Join Date: Dec 1999 Location: Olympia,Wa. 98512 Posts: 10,770	Re: My Radiator Won't fit The kit that you will get from Brothers is for a direct replacement radiator. The amount of cores or rows as some people call them will only effect the thickness of the radiator. Not the height or width. So if the radiator is too short it is too short. No matter what brackets you use. The brackets for the 4 row radiator alow for the extra thickness that the 4 row radiator has. WES __________________ On-line catolog Classic Heartbeat Pickup Parts WEHEPP@comcast.net Call us Toll Free (888) 338-2502 Like Us on Facebook No appointment necessary. 72 BB Chevy Custom Deluxe / Custom Camper 67 I-6 (Soon to be 5.7 LS1) Panel 68 BB Chevy Short Bed 72 6.0 LQ9 Short Bed Chevy 4X4 Olympia's fastest growing truck parts supplier. Olympia's home for Wayward Chevys

12-27-2008, 01:51 PM	#11
Classic Heartbeat Project Junkie! Fishing Poor!! Join Date: Dec 1999 Location: Olympia,Wa. 98512 Posts: 10,770	Re: My Radiator Won't fit I hope I explained that well and didn't confuse you... I just about confused myself typing it...lol WES __________________ On-line catolog Classic Heartbeat Pickup Parts WEHEPP@comcast.net Call us Toll Free (888) 338-2502 Like Us on Facebook No appointment necessary. 72 BB Chevy Custom Deluxe / Custom Camper 67 I-6 (Soon to be 5.7 LS1) Panel 68 BB Chevy Short Bed 72 6.0 LQ9 Short Bed Chevy 4X4 Olympia's fastest growing truck parts supplier. Olympia's home for Wayward Chevys

12-27-2008, 02:18 PM	#12
Pole Kitty Registered User Join Date: Sep 2005 Location: Denton, Texas Posts: 44	Re: My Radiator Won't fit Nope, I understood it fine. The tanks are the same for the 3 or 4 row (core), which is where the rad. supports attach. I guess I will modify the Front core support to allow the Rad. to drop about 3/4". Thats going to be a lot of work for just a small detail. But what the heck,It's just a truck, right? __________________ 1968 Chevy shortbed fleetside Pro Street

12-27-2008, 02:52 PM	#13
Classic Heartbeat Project Junkie! Fishing Poor!! Join Date: Dec 1999 Location: Olympia,Wa. 98512 Posts: 10,770	Re: My Radiator Won't fit The tanks are the same for the 2 and 3 row radiators. It is the 4 row radiator that got the wider tanks. Height and width of the overall radiator including the tanks are the same. WES __________________ On-line catolog Classic Heartbeat Pickup Parts WEHEPP@comcast.net Call us Toll Free (888) 338-2502 Like Us on Facebook No appointment necessary. 72 BB Chevy Custom Deluxe / Custom Camper 67 I-6 (Soon to be 5.7 LS1) Panel 68 BB Chevy Short Bed 72 6.0 LQ9 Short Bed Chevy 4X4 Olympia's fastest growing truck parts supplier. Olympia's home for Wayward Chevys

12-27-2008, 04:41 PM	#14
67ChevyRedneck Hittin E-Z Street on Mud Tires Join Date: Nov 2004 Location: Greenville, SC Posts: 23,090	Re: My Radiator Won't fit I'm still a little confused... are you sure you have the right brackets? If your truck did not have a 4 row before, the bottom mounts are riveted in place, you have to drill them out to install the wider 4 row brackets. The top brackets are wider as well. 2 and 3 row radiators have the same width tank, with the 2 row using the "inside" mounting position on the passenger side and the 3 row using the "outside" mounting position. A 4 row uses the "outside" mounting position AND wider brackets. If the rubber and brackets do not easily/snugly fit over top/bottom of the tank, they are the wrong ones. I apologize if you have replaced them to the 4 row type, but your posts aren't very clear on that. I can only assume that the tanks/radiator is sitting "higher" because it wont fit down into the narrower 2/3 core brackets. I too discovered this difference when I bought my 4 row earlier this year. Also, I picked up a factory style 4 row automatic radiator from Advance Auto for right around $200, they even had it in stock! __________________ Jesse James 1967 C10 SWB Stepside: 350/700R4/3.73 1965 Ford Mustang: 289/T5-5spd/3.25 Trac-Loc 1968 Pontiac Firebird: Project Fire Chicken! 2015 Silverado Double Cab 5.3L Z71 2001 Jeep Wrangler Sport 4.0L 5spd 2020 Chevrolet Equinox Premium 2.0L Turbo 2011 Mustang V6 ~ Wife's ride American Born, Country by the Grace of God 1967 CST Shop Truck Rebuild! My 1967 C-10 Build Thread My Vintage Air A/C Install Project "On a Dime" Trying my hand at Home Renovation! 1965 Mustang Modifications! Last edited by 67ChevyRedneck; 12-27-2008 at 04:43 PM.

12-27-2008, 05:50 PM	#15
Boog laying low Join Date: Mar 2001 Location: Searcy, Ark. USA Posts: 13,080	Re: My Radiator Won't fit I also had some fit issues with mine. I bought an aftermarket 4 row rad for my 69 that originally had a 6 cyl engine. I bought new upper and lower brackets and pads from my local Chevy dealer. With the new rad put in place it seemed to be too tall for the upper brackets to bolt down. I put it off on the newer rubber pads and bolted it down anyway. I don't remember if it was 1/2" high or not but the upper brackets weren't level like the old ones. It isn't going to go anywhere for sure! I also have another issue with this rad and it's the stock fan shroud will not bolt in place without modifying it. It is not for the 4 row rad. __________________ Boog 69 Chevy stepside, 358/T350, 4.11 posi, 4.5/4 drop, rallys, poboy driver primer is finer 91 Chevy sportside, Tahoe, Yukon & GMC Crewcab All GM..'nuff said. I stand for the flag and kneel at the cross



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01-08-2009, 06:38 PM	#16
69chevybmx Registered User Join Date: Nov 2007 Location: South Bend, IN Posts: 83	Re: My Radiator Won't fit I had this same exact problem. i got a new HD radiator allegedly a direct replacement. i also purchased the HD brackets from LMC thinking the upper bracket for the HD radiator would be different. to my surprise, they are the same, (kind of). The OE brackets on my 69 were two different sizes. The side with the fill cap was a larger length because the tank on that side was wider. the tank on the other side of the radiator was about 2" thinner. The HD brackets that i received were the same size as the larger of the OE brackets. The lower mounts and pads were also the same size. i ended up modifying the new brackets that i bought (against my will) along w/ the new rubber pads. between the upper and lower i was able to shave off enough to get it to clear. I am still not happy with the fit though and i will be modifying the core support to make it sit flush.

01-08-2009, 06:47 PM	#17
BLACK AND BLUE 67-72 Firefighter Join Date: Feb 2001 Location: Yellville, Ar, USA Posts: 1,943	Re: My Radiator Won't fit Have you tightened the radiator down yet? Mine set a little too high until I tightened the top mounts down, you will also have to notch the lower support because the brackets are longer. __________________ '72 Chevy SWB 350 Auto '67 GMC LWB 350 4 speed '70 Chevy 4x4 Stepside 350 Auto Yellville, Ar. USA

01-08-2009, 08:19 PM	#19
LiveWire64 Registered User Join Date: Oct 2005 Location: west coast Posts: 51	Re: My Radiator Won't fit Maybe the new radiator is for a 73 & up year Chevrolet truck. I put a 4-row out of my 77 454 Suburban in my 72 van. The radiator is taller. I ordered new 4-row top mounts & 4 new mounting rubbers. Here is a pic of how I modified the mounts. Hope this helps,Brad __________________ 55 Chevy small window. 66 FJ40 LandCruiser. 64 Chevy Van,350/350 72 Chevy 10 Van,short wb,454 78 Chevy 10 Van,short wb,350 72 Chevy Malibu 350. 77 Chevy Suburban. Silverado 20 Trailering Special.454,turbo400.

03-02-2017, 07:07 PM	#20
Ricebird Registered User Join Date: Mar 2017 Location: Stuttgart, AR Posts: 3	Re: My Radiator Won't fit Sorry for dredging up an 8-year-old post, but I'm putting a new radiator in my '68 and have been looking at all of these issues because I am facing some of them now myself. Like most, I was told to upgrade to a 4-row from my stock unit. I don't have a/c now but have been considering a Vintage Air unit for the future. No need to put a small radiator in now and have to upgrade later. I ordered new, longer brackets, upper and lower, along with the pads. Finally got my old radiator out last night and discovered that the lower brackets are welded in place. Also discovered that the new lower brackets won't fit in the radiator support pan. I see where you have to drill out the weld and then notch the flange so the longer brackets will work. I don't weld, so my first question is how does everyone else fasten the new brackets in place. Next, do I have to cut the support pan flange off completely or does the new radiator not hit it (haven't test-fit the radiator yet). Finally, I ordered a new shroud but don't know how it fastens on the bottom. The old one bolted to the support flange. Thanks for any advice!

03-02-2017, 08:19 PM	#21
Orange67 Registered User Join Date: Mar 2013 Location: Syracuse, Utah Posts: 499	Re: My Radiator Won't fit As far as the bottom brackets, those should be rivets, but with these trucks anything is possible. The shroud, which also needs to be for the larger 4 core, there are "S" shaped brackets that the bottom slides into. I can't remember where I found mine. Hope that helps. __________________ Justin '67 C20 CST Custom Camper '04.5 LLY Duramax CCSB...sold

03-03-2017, 02:10 AM	#22
Z10 Registered User Join Date: Aug 2012 Location: Midland, TX Posts: 1,267	Re: My Radiator Won't fit Try this http://www.speedcooling.com/1967_197..._Radiator.html Made in USA, drops right in. I've run one for over 11,000 miles and 3 summers in Hot West Texas, cooling a warmed up ZZ4 with TPI and A/C with zero issues. Also a quality 2 row will cool better than a 3 or 4 core. It's counter intuitive. Some light reading: http://www.pirate4x4.com/forum/gener...rass-tech.html You can see my install on my build thread. And lastly some visuals: Attached Images __________________ 1969 RS/SS Z10 Camaro Pace coupe 1972 GMC Short Step buildhttp://67-72chevytrucks.com/vboard/s...=1#post6356218 1979 Mazda RX7 1979 Pontiac Trans Am WS6 & 1979 Pontiac Trans Am 10th Anniversary 1999 Honda Valkyrie 2006 Corvette Z06 2010 BMW 650i

03-03-2017, 12:06 PM	#23
Ricebird Registered User Join Date: Mar 2017 Location: Stuttgart, AR Posts: 3	Re: My Radiator Won't fit Thanks, Orange67 and Z10! Got the original lower brackets drilled out, flange notched and new brackets pop-riveted in place. Actually ordered and have the new radiator that you recommend, Z10, so I feel good about that decision. It drops right in but the brackets appear to set a little higher, probably due to the new pads. I appreciate all of the great info and I'm sure I'll need more assistance in the near future!

03-09-2017, 06:43 PM	#25
Ricebird Registered User Join Date: Mar 2017 Location: Stuttgart, AR Posts: 3	Re: My Radiator Won't fit Got my new radiator in and it fits fine but I have another question. My '68 has a powerglide transmission and, therefore, my new radiator has an integrated transmission oil cooler. I know I lost some fluid with the change so my question is, what transmission fluid is compatible with my powerglide? Can I top off my fluid (that is probably more than 20 years old) with the newest version (Dexron, I think)?

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