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#1 |
Registered User
Join Date: Jun 2011
Location: Dennis Kansas
Posts: 335
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motor mount placement??????
With my motor mounts in the two back holes (stock location) the 350 i am putting in is hitting the firewall amd the auto trannu is touching the floorboard. do i need to redrill new holes forward on tje frame and crossmember to get this dang thing to fit?
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1964 c-10 Long stepside, 230 I6 ,3spd, dealer add-on air. |
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#2 |
1965 Chevy C10, 2005 4.8L/4l60
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Location: DFW Texas
Posts: 8,543
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Re: motor mount placement??????
CN you shoot us a pic? Might help
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Clyde65 Rebuild of Clyde http://67-72chevytrucks.com/vboard/s...84#post8338184 69 Aristocrat Lo Liner build http://67-72chevytrucks.com/vboard/s...84#post7561684 ![]() ![]() ![]() support our troops! |
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#3 |
Registered User
Join Date: Jun 2011
Location: Dennis Kansas
Posts: 335
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Re: motor mount placement??????
I know it prob in the faq thread but im at the shop and only have access with my phone. so quick advice would be awesome! :-)
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1964 c-10 Long stepside, 230 I6 ,3spd, dealer add-on air. |
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#4 |
Registered User
Join Date: Jun 2011
Location: Dennis Kansas
Posts: 335
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Re: motor mount placement??????
I dunno how to post a pic right now from my phone or i would
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1964 c-10 Long stepside, 230 I6 ,3spd, dealer add-on air. |
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#5 |
Registered User
Join Date: Feb 2010
Location: Phoenix, AZ
Posts: 114
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Re: motor mount placement??????
my 66 has 2 sets of holes, 3 on ea. side of the frame rail and 2 on the cross member. i used the forward set, allowed plenty of room for hei, tall valve covers and the fan is close to the radiator with a short spacer and long wp. as far as trans goes i used a mount from a later yr ... 70-72ish i think its from.
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#6 |
Registered User
Join Date: Jun 2011
Location: Dennis Kansas
Posts: 335
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Re: motor mount placement??????
Ive got an 84 crossmember in now. my frame has three holes as well. guess ill move the plates to the front set and drill a new hole in the xmember. i have hei and long waterpump as well. i was worried bout fan clearance but if yours fit ill go the same route as u. Thanks so much!!!!!
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1964 c-10 Long stepside, 230 I6 ,3spd, dealer add-on air. |
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#7 |
Registered User
Join Date: Feb 2010
Location: Phoenix, AZ
Posts: 114
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Re: motor mount placement??????
i dont see a way to edit a pic here to draw arrows but you can see the holes sorta
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#8 |
Hey Watch this...
![]() Join Date: Sep 2007
Location: Parker, CO
Posts: 414
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Re: motor mount placement??????
I had to 'massage' my firewall with a BFH because my tall valve covers were hitting. It's not hard. Just be persuasive.
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What have I gotten myself into now? 1964 Chevy Stepside - 383 hydraulic roller Vortec ... a work in progress 2000 Volvo V70R - 340awhp, 22psi, meth-injected of Porsche-eating fun. The grocery-getter on steroids |
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#9 |
Registered User
Join Date: Jun 2011
Location: Dennis Kansas
Posts: 335
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Re: motor mount placement??????
Well after fighting these motor mounts for hours i give up. i moved them forward got one side lined up and bolted in. move to the other side and the holea are off by over an inch and the motor mount plate is hanging over the edge of the frame.
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1964 c-10 Long stepside, 230 I6 ,3spd, dealer add-on air. |
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#10 |
60-66 Nut
![]() ![]() Join Date: Mar 2007
Location: Coeur d'Alene, Idaho
Posts: 23,247
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Re: motor mount placement??????
If you choose to move the engine to the forward motor mount bracket holes, you need to use the '67-'72 small block motor mount brackets. They are shorter, which is why your current brackets won't work, they are too long for that position. In all the years I have been working on these trucks, I have always placed small blocks in the original location. No problems with HEI clearance nor with medium height valve covers.
You might want to check out this thread....... http://www.67-72chevytrucks.com/vboa...=483555&page=3
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Power Steering Box Adapter Plates For Sale HERE Power Brake Booster Adapter Brackets For Sale '63-'66 HERE and '67-'72 HERE and '60-'62 HERE and "60-'62 with clutch HERE Rear Disc Brake Brackets For Sale. Impala SS calipers HERE Camaro Calipers HERE D52 Calipers HERE 6 Lug HERE Hydroboost Mounting Plates HERE |
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#11 |
Account Suspended
Join Date: Jul 2007
Location: Plumas Lake, Ca.
Posts: 1,009
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Re: motor mount placement??????
I have mine set in the rear most holes and run both an HEI as well as tall valve covers. It is a tight fit but it does fit.
You may try the rear holes in the frame and move the mounts as far forward as possible to get the clearance you need (the holes in my mounts are oval). I run the SM420 trans so I don't know how an auto will line up. |
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#12 | ||
Registered User
Join Date: Jun 2011
Location: Dennis Kansas
Posts: 335
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Re: motor mount placement??????
Quote:
Quote:
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1964 c-10 Long stepside, 230 I6 ,3spd, dealer add-on air. |
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#13 |
Senior Car Nut
![]() Join Date: Jan 2008
Location: shellman bluff, GA
Posts: 1,411
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Re: motor mount placement??????
are the 230 6-cylinder mount brackets are the same as V-8s? if they're taller, that might be the problem. I'm assuming you're putting a 350/350 combo in in place of your 6, maybe I misunderstood.
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Larry |
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#14 |
Registered User
Join Date: Jun 2011
Location: Dennis Kansas
Posts: 335
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Re: motor mount placement??????
Yep putting a 350/350 in. the six cylinder brackets look the same as the brackets in my 65 parts truck that has the origional 283 v8.
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1964 c-10 Long stepside, 230 I6 ,3spd, dealer add-on air. |
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#15 |
Registered User
Join Date: Feb 2008
Location: Sidney,b.c.
Posts: 4,425
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Re: motor mount placement??????
you may have to do some work to the floor?. I don't know about a 350 trans(but there have been a ton of them installed in these trucks, so someone should say something). have your cab mounts been replaced and or is there any rust problems with the floors or bracing?
ron |
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#16 |
Registered User
Join Date: Feb 2009
Location: Topeka, Kansas
Posts: 84
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Re: motor mount placement??????
I was thinking the same thing as Padresag. Wondering if the cab mounts were shot and causing the cab to drop. Mine ('66) has a 350 and the HEI
is right up against the firewall. I hope i never have to take it out.
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Members i've met: LiLRed66 |
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#17 |
Registered User
Join Date: Feb 2010
Location: Phoenix, AZ
Posts: 114
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Re: motor mount placement??????
oh ya, i forgot to mention the perches are from a 72. and i had to use like 3 washer as spacers to make it level on the frame rail.
i this pic he uses the front set too , only i put the spacers in and he just tightened it down. Last edited by chemlab; 10-13-2011 at 10:41 AM. Reason: added a pic |
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#18 |
Registered User
Join Date: Jun 2011
Location: Dennis Kansas
Posts: 335
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Re: motor mount placement??????
With the hei right up against the fire wall is it even possible to pull the distributor? I plan on putting a new intake on when the engine is in. If I cant get the distibutor out I may want to put the intake on when it comes in. Man, this project has been nothing but a head ache,lol. I should have just left the 230 in it and drove 50mph everywhere haha.
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1964 c-10 Long stepside, 230 I6 ,3spd, dealer add-on air. |
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#19 |
Registered User
Join Date: Jun 2011
Location: Dennis Kansas
Posts: 335
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Re: motor mount placement??????
Ok so my tranny will fit fine with a different crossmember. but where can i get a crossmember that will work??
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1964 c-10 Long stepside, 230 I6 ,3spd, dealer add-on air. |
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#20 |
Registered User
Join Date: Feb 2009
Location: Topeka, Kansas
Posts: 84
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Re: motor mount placement??????
I can't speak for the others. Mine is up against the firewall from the PO. I've read other posts where they have clearance for their HEI. So i don't know
the correct answer. I know mine would a PITA though. ![]()
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Members i've met: LiLRed66 |
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#21 |
Registered User
Join Date: Jun 2011
Location: Dennis Kansas
Posts: 335
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Re: motor mount placement??????
I found a crossmember for my tranny in ecklers. its only 89 bucks so I think ill order that. I may go ahead and order my intake and install it before the motor goes in incase the distributor cant come out afterwards. I hope I can do it. I was planning to have the mechanic put it on.
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1964 c-10 Long stepside, 230 I6 ,3spd, dealer add-on air. |
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#22 |
Registered User
Join Date: Nov 2010
Location: Meridian, Idaho
Posts: 422
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Re: motor mount placement??????
My experience is that the six cylinder mounts are the same with an extra part added to reach. in my 65, I have a 350/350 and the distributor is almost touching but will turn or come out ok. I have the low floor hump and have no problems there. I have tall valve covers and one side touches under torque. Could the 80s cross member be causing the problem? On my 63 I moved the motor to the front and got some 67 or 68 motor mounts, but it didn't work. Could be the guy I bought them from was wrong about what they were. I ended up having the stock mounts modified to sit down right with new holes in the cross member.
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1963 Chevy stepside 327 1965 Chevy swb 383 1996 Mystic Mustang Cobra 2009 Pontiac G8 GXP 415hp/415tq 6speed |
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#23 |
Registered User
Join Date: Jun 2011
Location: Dennis Kansas
Posts: 335
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Re: motor mount placement??????
But they will still work ok?
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1964 c-10 Long stepside, 230 I6 ,3spd, dealer add-on air. |
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#24 |
Resistance is Futile
Join Date: Dec 2006
Location: Mesa,Arizona
Posts: 3,520
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Re: motor mount placement??????
I dont remember for sure, but can the perches be swapped side to side? There isnt a way to put them in backwards where they push the engine back or forward a little further is there? I havent had them out in years so I cant remember.
I do have the forward holes used in the '64, and in the '66 I just swapped the dizzy for HEI and it fit no problem with the stock mounting position(rear holes).
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#25 |
60-66 Nut
![]() ![]() Join Date: Mar 2007
Location: Coeur d'Alene, Idaho
Posts: 23,247
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Re: motor mount placement??????
The 230/250 and the small block motor mounts are all the same. It is possible to install the brackets backwards, I hadn't thought of that before. As for an auto trans crossmember, I always use the auto trans crossmembers from a '63-'87 truck. I have never had trouble removing an HEI with the engine in the stock location.
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Power Steering Box Adapter Plates For Sale HERE Power Brake Booster Adapter Brackets For Sale '63-'66 HERE and '67-'72 HERE and '60-'62 HERE and "60-'62 with clutch HERE Rear Disc Brake Brackets For Sale. Impala SS calipers HERE Camaro Calipers HERE D52 Calipers HERE 6 Lug HERE Hydroboost Mounting Plates HERE |
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