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#1 |
Simple? What's simple?
![]() Join Date: Apr 2007
Location: Southeast CT
Posts: 1,472
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Re: 72 K30 Build
Nice!! That truck is going to have a killer stance.
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CURRENT '50 GMC 100 shortbed Gen IV 4.8 LS - 4L65E (Secret truck, Shhh!!!) Build '63 Buick Wildcat Coupe 401ci Nailhead (Very much in pieces) Photos '66 Impala SS convertible 327-QJet-glide (4 speed swap one of these days...) Photos '69 CST/10 4x4 SWB Stepper 350 2bbl - NV4500/NP241C (Broken Truck!) '72 Sierra Grande 2WD LWB fleetside 350-TH350 Refresh '99 K2500 Silverado RCLB 5.7 Vortec - NV4500/NP241C (Daily) '99 K2500 Suburban 7.4 Vortec - NV4500/NP246 (still working out the bugs) SOLD '71 Custom/10 2WD LWB fleetside - '72 GMC K/3500 Dually (Sold to redryder) |
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#2 |
Registered User
Join Date: Jun 2006
Location: Utah
Posts: 1,562
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Re: 72 K30 Build
Good work Brett!!! Maybe when I'm dropping my truck off (possibly) to a buddy of mine in Centerville, I'll have to stop by and check this thing out in person.
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#3 |
Senior Member
![]() Join Date: Jul 2009
Location: Tomball, Texas
Posts: 1,592
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Re: 72 K30 Build
Very good progress! That looked like a LOT of work to get a 4wd roller.
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Rick 78 GMC K15 SWB, 350/NV4500/NP205/4.10s Project Hazel 71 GMC C25 350/TH400 - Project Angie 59 Chevy SWB Stepside (next in line? Not sure now ![]() 2001 GMC Sierra K2500 |
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#4 |
Registered User
Join Date: Aug 2013
Location: San Jose Ca
Posts: 965
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Re: 72 K30 Build
How thick is your rubber bushing under the cab in front and rear. I will check mine later.
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#5 | ||
Registered User
Join Date: May 2011
Location: Syracuse, Utah
Posts: 1,931
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Re: 72 K30 Build
Quote:
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![]() ![]() From these angles I’ve got some déjà vu going on. Reminds me of when we mocked up our sheet metal on the donor 84 K35 Crew Cab chassis last winter (green cab). Difference is this time we got to bolt down the old RV cab (without the little hole in the back) and it’s not a limo anymore it’s probably a good 3’ shorter at least! ![]()
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Brett ![]() 67 Camaro SS Build:http://67-72chevytrucks.com/vboard/s...d.php?t=751594 72 Cheyenne/10 Super 115" Fleetside (Waiting it's turn.) 72 Cheyenne/K30 Super 133" DRW SOLD Build:http://67-72chevytrucks.com/vboard/s...d.php?t=645614 YouTube: https://www.youtube.com/@6dee7-7dee2 |
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#6 |
Registered User
Join Date: May 2011
Location: Syracuse, Utah
Posts: 1,931
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Re: 72 K30 Build
With the cab/body on we need to fit a few things. Started by installed the tc shifter and nailed the factory position. The console also got fit for the last time prior to restore it’s the first time it was actually bolted to the floor.
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Brett ![]() 67 Camaro SS Build:http://67-72chevytrucks.com/vboard/s...d.php?t=751594 72 Cheyenne/10 Super 115" Fleetside (Waiting it's turn.) 72 Cheyenne/K30 Super 133" DRW SOLD Build:http://67-72chevytrucks.com/vboard/s...d.php?t=645614 YouTube: https://www.youtube.com/@6dee7-7dee2 |
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#7 |
6>8 Plugless........
![]() Join Date: Sep 2007
Location: Prairie City, Ia
Posts: 17,140
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Re: 72 K30 Build
Great work! I've got a 72 C30 Longhorn to convert to a K30 for a board member soon. Too bad the body is nice and the owner may not want to remove it.
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Ryan 1972 Chevy Longhorn K30 Cheyenne Super, 359 Inline 6 cylinder, Auto Trans, Tilt, Diesel Tach/Vach, Buckets, Rare Rear 4-link and air ride option Build Thread 1972 GMC Sierra Grande Longhorn 4x4 1972 Chevy Cheyenne Super K20 Long Step side tilt, tach, tow hooks, AC, 350 4 speed 1972 C10 Suburban Custom Deluxe 1969 Chevy milk truck 1971 Camaro RS 5.3 BTR STG3 Cam Super T10 1940 Ford 354 Hemi 46RH Ford 9" on air ride huge project Tired of spark plugs? Check this out. |
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#8 |
Registered User
Join Date: May 2011
Location: Syracuse, Utah
Posts: 1,931
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Re: 72 K30 Build
Cool DW do you think you'll do a build thread? I'd like to see that!
Here's what's up with the trans shifter linkage. If you recall we covered up one of the original mounting holes with the shackle bracket on that side. Flipped the bracket around until it lined up and bolted it to the upper existing mounting hole, and wala! ![]()
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Brett ![]() 67 Camaro SS Build:http://67-72chevytrucks.com/vboard/s...d.php?t=751594 72 Cheyenne/10 Super 115" Fleetside (Waiting it's turn.) 72 Cheyenne/K30 Super 133" DRW SOLD Build:http://67-72chevytrucks.com/vboard/s...d.php?t=645614 YouTube: https://www.youtube.com/@6dee7-7dee2 |
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#9 |
Registered User
Join Date: May 2011
Location: Syracuse, Utah
Posts: 1,931
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Re: 72 K30 Build
Started a hydroboost conversion, wasn’t really sure we were going to do this but after giving it some thought it made sense. GM went to this system with the brakes we now have and I don't want any pedal pressure issues later, the donor truck stopped on a dime! Jim (JJorgensen52) did this conversion on one of our main inspiration trucks and he made it look easy http://67-72chevytrucks.com/vboard/s...d.php?t=631136 what a really great write up Jim, thanks! We’ve got the same core parts essentially as Jim did so our push rod length was the same (ours was marked 71217).
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Brett ![]() 67 Camaro SS Build:http://67-72chevytrucks.com/vboard/s...d.php?t=751594 72 Cheyenne/10 Super 115" Fleetside (Waiting it's turn.) 72 Cheyenne/K30 Super 133" DRW SOLD Build:http://67-72chevytrucks.com/vboard/s...d.php?t=645614 YouTube: https://www.youtube.com/@6dee7-7dee2 |
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#10 | |
Simple? What's simple?
![]() Join Date: Apr 2007
Location: Southeast CT
Posts: 1,472
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Re: 72 K30 Build
Quote:
Are you going to be using the stock big block remote reservoir steering pump? If so, you might want to look into a GM 26073040 or similar reservoir; they came in Astro/Safari/Express/Savanna vans with hydroboost and have dual return fittings, but they look pretty much identical to the stock unit, and they're made of welded steel so easy to add/modify a bracket to mount it where you want it.
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CURRENT '50 GMC 100 shortbed Gen IV 4.8 LS - 4L65E (Secret truck, Shhh!!!) Build '63 Buick Wildcat Coupe 401ci Nailhead (Very much in pieces) Photos '66 Impala SS convertible 327-QJet-glide (4 speed swap one of these days...) Photos '69 CST/10 4x4 SWB Stepper 350 2bbl - NV4500/NP241C (Broken Truck!) '72 Sierra Grande 2WD LWB fleetside 350-TH350 Refresh '99 K2500 Silverado RCLB 5.7 Vortec - NV4500/NP241C (Daily) '99 K2500 Suburban 7.4 Vortec - NV4500/NP246 (still working out the bugs) SOLD '71 Custom/10 2WD LWB fleetside - '72 GMC K/3500 Dually (Sold to redryder) |
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#11 |
Registered User
Join Date: May 2011
Location: Syracuse, Utah
Posts: 1,931
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Re: 72 K30 Build
Yes that is the plan we'll use the stock big block remote reservoir steering pump with a tee in the return line. Our thinking is we'll go down the same road as you did with the steering box and plumbing easy peasy!
![]() Here are some pics of our modified brake pedal prior to the final fitment. Going to wait until I've got the rebuilt HB in place to punch the hole and finish fitting this piece.
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Brett ![]() 67 Camaro SS Build:http://67-72chevytrucks.com/vboard/s...d.php?t=751594 72 Cheyenne/10 Super 115" Fleetside (Waiting it's turn.) 72 Cheyenne/K30 Super 133" DRW SOLD Build:http://67-72chevytrucks.com/vboard/s...d.php?t=645614 YouTube: https://www.youtube.com/@6dee7-7dee2 |
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#12 |
Registered User
Join Date: Aug 2013
Location: San Jose Ca
Posts: 965
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Re: 72 K30 Build
Do you think it would still work lengthening the rod and using the factor hole.
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#13 |
Simple? What's simple?
![]() Join Date: Apr 2007
Location: Southeast CT
Posts: 1,472
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Re: 72 K30 Build
You can do it that way, many folks do. When I did it (and I think what 7dee2 is after as well) I chose to modify the pedal so that the hydroboost was a 100% bolt on - that way, should I have to replace it later, I could just buy one off the shelf.
__________________
CURRENT '50 GMC 100 shortbed Gen IV 4.8 LS - 4L65E (Secret truck, Shhh!!!) Build '63 Buick Wildcat Coupe 401ci Nailhead (Very much in pieces) Photos '66 Impala SS convertible 327-QJet-glide (4 speed swap one of these days...) Photos '69 CST/10 4x4 SWB Stepper 350 2bbl - NV4500/NP241C (Broken Truck!) '72 Sierra Grande 2WD LWB fleetside 350-TH350 Refresh '99 K2500 Silverado RCLB 5.7 Vortec - NV4500/NP241C (Daily) '99 K2500 Suburban 7.4 Vortec - NV4500/NP246 (still working out the bugs) SOLD '71 Custom/10 2WD LWB fleetside - '72 GMC K/3500 Dually (Sold to redryder) |
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#14 |
Registered User
Join Date: May 2011
Location: Syracuse, Utah
Posts: 1,931
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Re: 72 K30 Build
Yep our thoughts exactly and now is a good time to bring this up, I really liked Jim's approach on his 72 GMC (4x conversion) build. The entire truck is built with either a '72 C3500 or a '87 Sierra V3500. All the service parts are one or the other and bolt on with no or very little modifications required.
Put a steering column in place and finished the HB mounting plate mods. Also tested the rest of the trans shift linkage and there’s no problems. Thought I would do a quick check on the fan shroud as the new core support bushings were thicker. Gets a little close with this 18” fan but it fits well enough no worries.
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Brett ![]() 67 Camaro SS Build:http://67-72chevytrucks.com/vboard/s...d.php?t=751594 72 Cheyenne/10 Super 115" Fleetside (Waiting it's turn.) 72 Cheyenne/K30 Super 133" DRW SOLD Build:http://67-72chevytrucks.com/vboard/s...d.php?t=645614 YouTube: https://www.youtube.com/@6dee7-7dee2 |
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#15 | |
Simple? What's simple?
![]() Join Date: Apr 2007
Location: Southeast CT
Posts: 1,472
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Re: 72 K30 Build
Quote:
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__________________
CURRENT '50 GMC 100 shortbed Gen IV 4.8 LS - 4L65E (Secret truck, Shhh!!!) Build '63 Buick Wildcat Coupe 401ci Nailhead (Very much in pieces) Photos '66 Impala SS convertible 327-QJet-glide (4 speed swap one of these days...) Photos '69 CST/10 4x4 SWB Stepper 350 2bbl - NV4500/NP241C (Broken Truck!) '72 Sierra Grande 2WD LWB fleetside 350-TH350 Refresh '99 K2500 Silverado RCLB 5.7 Vortec - NV4500/NP241C (Daily) '99 K2500 Suburban 7.4 Vortec - NV4500/NP246 (still working out the bugs) SOLD '71 Custom/10 2WD LWB fleetside - '72 GMC K/3500 Dually (Sold to redryder) |
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#16 |
Registered User
Join Date: May 2011
Location: Syracuse, Utah
Posts: 1,931
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Re: 72 K30 Build
I know, I know I've got lots of history (bad) with non clutch fans I could tell ya!
![]() While waiting for some parts to arrive guess what day it is, hump day? No that was yesterday but if you guessed it’s tubing time you’d be correct. What you see is a pile of (crap) C30 & K35 bits and pieces, let’s see what fits. Started right off with the K35 brake lines once we figured out which ones were them. Another member (could it be Jim?) posted that they fit pretty well and I was pleasantly surprised he was not kidding! I’d hoped perhaps the fronts might land were the frame alignment holes are and they do sweet! We will order new lines but wanted to make sure that using the K35 style brake lines was a good idea first. We also have started looking at a parking brake solution as we will probably try and use the same vendor (inline tube) for both and combine the order if possible.
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Brett ![]() 67 Camaro SS Build:http://67-72chevytrucks.com/vboard/s...d.php?t=751594 72 Cheyenne/10 Super 115" Fleetside (Waiting it's turn.) 72 Cheyenne/K30 Super 133" DRW SOLD Build:http://67-72chevytrucks.com/vboard/s...d.php?t=645614 YouTube: https://www.youtube.com/@6dee7-7dee2 |
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#17 |
Registered User
![]() Join Date: Dec 2012
Location: Los Banos CA
Posts: 2,705
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Re: 72 K30 Build
Hey Brett, look like your coming along nicely that thing is going to be a beast. Looks great. On my sons truck I put rear disc's so no off the shelf piece would fit easily. So I used the stock front e brake section and made a new intermediate and rear cables. I had them made by www.controlcables.com Ed miller is the guy I worked with. Him and I emailed pictures back and forth until we had a solution even down to the correct clevises. They are in Southern California with like 3 day turn around. I changed the routing from stock by running the cables to the driver side inboard of the frame. I can try and get another picture if you want. I did have to make the cross bracket (2 cables to 1) as I didn't have the room for most I found and didn't want to spend 50$ for a fancy anodized piece of metal.
Hope this helps.
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1956 Chevy Bel Air 2 door 1956 Chevy 210 4 Door 1970 K20 LWB project the Hulk build w/Supercharged 4.8L-ly2/4L60E HULK BUILD 1970 C10 Yellow/White Deluxe LWB w/ 5.3L-LC9/6L80E 1968 K10 LWB Dark green my son calls it "THE HULK Jr"HULK JR *SOLD* GO ![]() |
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#18 |
Registered User
![]() Join Date: Dec 2012
Location: Los Banos CA
Posts: 2,705
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Re: 72 K30 Build
I still need to brace the passenger side brake cable but I am waiting till the exhaust is installed.
__________________
1956 Chevy Bel Air 2 door 1956 Chevy 210 4 Door 1970 K20 LWB project the Hulk build w/Supercharged 4.8L-ly2/4L60E HULK BUILD 1970 C10 Yellow/White Deluxe LWB w/ 5.3L-LC9/6L80E 1968 K10 LWB Dark green my son calls it "THE HULK Jr"HULK JR *SOLD* GO ![]() |
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#19 |
Registered User
Join Date: May 2011
Location: Syracuse, Utah
Posts: 1,931
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Re: 72 K30 Build
Thanks, I’ve really liked watching your chassis come together you guys are doing a great job. I am trying to make off the shelf work as much as possible but this one is going to get us. We could use a good pic of the front brake cable frame bracket don’t have one of those and will probably need to fab something up.
Our donor K35 setup does have the same 2 into one going forward which I like but has some extra bracketry that in our case makes the right side not engage as well as I think it should. Both rear cables have different ends on the front or intermediate cable side (right is threaded, left is not). So far I’m thinking stock 1972 front cable like you guys and then custom from there. Good chance we might be able to use a stock K35 right rear cable but we will see, going to think on this for now. Here’s some new and rebuilt stuff that showed up.
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Brett ![]() 67 Camaro SS Build:http://67-72chevytrucks.com/vboard/s...d.php?t=751594 72 Cheyenne/10 Super 115" Fleetside (Waiting it's turn.) 72 Cheyenne/K30 Super 133" DRW SOLD Build:http://67-72chevytrucks.com/vboard/s...d.php?t=645614 YouTube: https://www.youtube.com/@6dee7-7dee2 |
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#20 |
Registered User
![]() Join Date: Dec 2012
Location: Los Banos CA
Posts: 2,705
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Re: 72 K30 Build
Attached is a picture of the end of the from cable and its mount. This is a stock 70 k20 bracket. I had to turn it so that the front cable would be inline with the rear cables.
The tank is the same tank I have a 31 gallon one with internal high pressure pump. Is that what you have there? Minus the HP pump? It fit well just needed to lower the full tube.
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1956 Chevy Bel Air 2 door 1956 Chevy 210 4 Door 1970 K20 LWB project the Hulk build w/Supercharged 4.8L-ly2/4L60E HULK BUILD 1970 C10 Yellow/White Deluxe LWB w/ 5.3L-LC9/6L80E 1968 K10 LWB Dark green my son calls it "THE HULK Jr"HULK JR *SOLD* GO ![]() |
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#21 |
Registered User
Join Date: May 2011
Location: Syracuse, Utah
Posts: 1,931
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Re: 72 K30 Build
Thank you sir, yep it is the 31 gallon thought about the 40 but then decided 31 was a better fit for us, ha pun intended!
![]() ![]() Talk about fit our rebuilt K35 box did not fit right off and needed a little clearance. First few pics it wouldn’t clear last few it fits like a glove.
__________________
Brett ![]() 67 Camaro SS Build:http://67-72chevytrucks.com/vboard/s...d.php?t=751594 72 Cheyenne/10 Super 115" Fleetside (Waiting it's turn.) 72 Cheyenne/K30 Super 133" DRW SOLD Build:http://67-72chevytrucks.com/vboard/s...d.php?t=645614 YouTube: https://www.youtube.com/@6dee7-7dee2 |
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#22 |
Registered User
Join Date: May 2011
Location: Syracuse, Utah
Posts: 1,931
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Re: 72 K30 Build
We needed a later steering coupler for the later steering box as it has a smaller 17 spline input. Mated right up to the old 72 column and its shiny is the good news. Bad news is I had one but gave it away on the column we sold earlier, oops!
![]() Plumbing the hydroboost is pretty straight forward using the mated steering box. The return line from the box needed a 90 degree bend to clear the inner fender we also rolled the inner fender lip a little in that area.
__________________
Brett ![]() 67 Camaro SS Build:http://67-72chevytrucks.com/vboard/s...d.php?t=751594 72 Cheyenne/10 Super 115" Fleetside (Waiting it's turn.) 72 Cheyenne/K30 Super 133" DRW SOLD Build:http://67-72chevytrucks.com/vboard/s...d.php?t=645614 YouTube: https://www.youtube.com/@6dee7-7dee2 |
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#23 | |
Simple? What's simple?
![]() Join Date: Apr 2007
Location: Southeast CT
Posts: 1,472
|
Re: 72 K30 Build
Quote:
![]() Good progress!!
__________________
CURRENT '50 GMC 100 shortbed Gen IV 4.8 LS - 4L65E (Secret truck, Shhh!!!) Build '63 Buick Wildcat Coupe 401ci Nailhead (Very much in pieces) Photos '66 Impala SS convertible 327-QJet-glide (4 speed swap one of these days...) Photos '69 CST/10 4x4 SWB Stepper 350 2bbl - NV4500/NP241C (Broken Truck!) '72 Sierra Grande 2WD LWB fleetside 350-TH350 Refresh '99 K2500 Silverado RCLB 5.7 Vortec - NV4500/NP241C (Daily) '99 K2500 Suburban 7.4 Vortec - NV4500/NP246 (still working out the bugs) SOLD '71 Custom/10 2WD LWB fleetside - '72 GMC K/3500 Dually (Sold to redryder) |
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#24 |
Registered User
Join Date: May 2011
Location: Syracuse, Utah
Posts: 1,931
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Re: 72 K30 Build
Thanks Jim but we’ll stick with the shiny part since we have it now.
Here are the pics of the rest of the HB plumbing. So to adapt the old pump we just needed to add a tee in the return line to get the fluid back to the reservoir. We also changed out the pressure fitting from the pump to the old style inverted flare to accommodate the old pump. Jim did recommend an alternative pump in this thread for those not wanting the tee in their plumbing. http://67-72chevytrucks.com/vboard/s...&postcount=373
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Brett ![]() 67 Camaro SS Build:http://67-72chevytrucks.com/vboard/s...d.php?t=751594 72 Cheyenne/10 Super 115" Fleetside (Waiting it's turn.) 72 Cheyenne/K30 Super 133" DRW SOLD Build:http://67-72chevytrucks.com/vboard/s...d.php?t=645614 YouTube: https://www.youtube.com/@6dee7-7dee2 |
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#25 |
Registered User
Join Date: Aug 2013
Location: San Jose Ca
Posts: 965
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Re: 72 K30 Build
Why did you use the old pump. My friends 1987 1 ton had factory HB system.
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Tags |
72chevy, dually, flatbed, k30, motorhome |
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