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#1 |
Registered User
Join Date: Jul 2008
Location: Ca
Posts: 82
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82 front suspension on a 66 questions
I found a 82 donor truck. I want to roll the 82 front end under the 66. crossmember and all. I heard to do this I need to make two holes larger and drill two fresh holes. After looking at the trucks I can see where it needs to be done. My question is what to do with the motor mounts? the 66 was a 6 cyl and will now be a 350. the motor mounts off the 82 do not fit the two top bolt holes of the 66 frame. Where do I go from here?
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#2 |
Registered User
Join Date: Apr 2011
Location: aurora co
Posts: 208
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Re: 82 front suspension on a 66 questions
Not trying to be a smart a$$ but you may have to fab something up or draw it up and make it out of cardboard as a template then take it to a local welder and have him cut and burn it together. Only other option I can think of is look in the junk yard for a truck same vintage as yours and rob the motor mounts out of it, if it was an 8 cyl. Or maybe try some of the parts vendors they may sell a conversion kit with mounts. Just trying to help hope I did,
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66 C20 LWB CS 327/TH400 A/C |
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#3 |
Registered User
Join Date: May 2011
Location: Glendale AZ
Posts: 98
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Re: 82 front suspension on a 66 questions
i have a 63 and i put the front end from an 84 suburban on . you have to drill one hole and elongate one hole and put spacers on top of the frame, you will see how thick you need when you bolt together. done it on 2 trucks for the newer front end and disc brakes. works great, no welding or cutting, just some drilling
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#4 |
1965 Chevy C10, 2005 4.8L/4l60
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Location: DFW Texas
Posts: 8,541
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Re: 82 front suspension on a 66 questions
Why do all that? change the spindles and your done....other than brake lines.
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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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#5 |
Registered User
Join Date: Jul 2008
Location: Ca
Posts: 82
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Re: 82 front suspension on a 66 questions
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#6 |
Registered User
Join Date: Feb 2011
Location: North, AL
Posts: 135
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Re: 82 front suspension on a 66 questions
I actually just finished this exact same swap (same year donor and everything, not that it matters) so hopefully i can help out some.
The best bet for motor mounts would probably be to grab some from a junkyard and clean em up and use those. My 66 had a 350 already with the old 66 crossmember and A-Arms. the mounts don't look like anything special, so I would bet they are factory mounts from the truck the 350 came from (Which was a '76 1/2 ton from the block numbers). They bolted directly in to my frame, and it doesn't look like any work had been done previously to make it fit. Long story short, go get some v8 mounts from a junkyard 73-87 truck. Should be dirt cheap. Bolt them in directly and win! If you have any other questions about the swap lemme know. I haven't taken mine to an alignment shop yet or anything, but I'm not worried, it'd be tough to do it wrong. The 73-87 (and maybe 67-72, not sure) A-Arms have rubber bushings, which was the deciding factor for me. Last edited by 1966Stepside; 05-30-2011 at 08:41 PM. |
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#7 | |
Registered User
Join Date: Jul 2008
Location: Ca
Posts: 82
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Re: 82 front suspension on a 66 questions
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#8 |
Registered User
Join Date: Feb 2011
Location: North, AL
Posts: 135
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Re: 82 front suspension on a 66 questions
Would you happen to have a pic? I'm surprised the holes aren't lining up for you. I don't know if the '82 was offered with a 6 cyl, but could it be possible that you have v6 mounts? Just tossing out ideas, since from what I've read and from personal experience the motor mounts should be a straight bolt in.
To verify: When you got the crossmember into the truck you got the bolts (3?)that go through the bottom of the frame and bolt the crossmember to the frame to line up? If so, then I'll admit to being stumped. That should locate the crossmember and the mounts should set right in place. Pics if you've got em, if not some more info on how the holes are missing (too far forward/back or not reaching all the way to the bolt holes in the frame) would give us a better idea of what's needed to get it all together. |
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#9 | |
Registered User
Join Date: Jul 2008
Location: Ca
Posts: 82
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Re: 82 front suspension on a 66 questions
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#10 |
Registered User
Join Date: Jul 2008
Location: Ca
Posts: 82
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Re: 82 front suspension on a 66 questions
bolted to bottom of crossmember does not line up at top. nowhere near close. These mounts are from the 82. cant use the 66 monts cuz there 6 banger mounts Last edited by munchieu; 05-30-2011 at 09:41 PM. |
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#11 |
Registered User
Join Date: Jul 2008
Location: Ca
Posts: 82
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Re: 82 front suspension on a 66 questions
I guess there called frame side engine stands not mounts
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#12 | |
Registered User
Join Date: Apr 2001
Location: DALLAS,TX
Posts: 21,964
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Re: 82 front suspension on a 66 questions
Quote:
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67SWB-B.B.RetroRod 64SWB-Recycle 89CCDually-Driver/Tow Truck 99CCSWB Driver All Fleetsides @rattlecankustoms in IG Building a small, high rpm engine with the perfect bore, stroke and rod ratio is very impressive. It's like a highly skilled Morrocan sword fighter with a Damascus Steel Scimitar..... Cubic inches is like Indiana Jones with a cheap pistol. Last edited by SCOTI; 05-30-2011 at 09:44 PM. |
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#13 |
Registered User
Join Date: Feb 2011
Location: North, AL
Posts: 135
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Re: 82 front suspension on a 66 questions
Wow, that motor mount doesn't look anything like mine! It's tough to say what's going on there. My mount has two bolt holes on the top of the frame and one going into the crossmember. As rusty and aged as it looked, I sure figured it to be original. Maybe the mount I have is some aftermarket piece, since the PO did an extensive *cough* restoration *cough* at some point.
Hopefully someone can identify your mount or point you in the right direction. In the meantime, I'm going to dig around some of my research pages and see what I read about the motor mount being a direct fit.... Last edited by 1966Stepside; 05-30-2011 at 09:53 PM. |
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#14 |
Registered User
Join Date: Feb 2011
Location: North, AL
Posts: 135
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Re: 82 front suspension on a 66 questions
I think you're right, but I always either lump them into "engine mounts". If I need to differentiate I call them crossbraces. Everything I know I taught myself so my terminology is often very different from the norm
I was also going to suggest this as what I have on my truck. No idea if this is possible, but do the 350 rubber mounts bolt to the 6 cyl crossbrace? Last edited by 1966Stepside; 05-30-2011 at 09:53 PM. |
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#15 | |
Registered User
Join Date: Apr 2001
Location: DALLAS,TX
Posts: 21,964
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Re: 82 front suspension on a 66 questions
Quote:
Towers/stanchions are what connects the mm's to the frame & x-member.
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67SWB-B.B.RetroRod 64SWB-Recycle 89CCDually-Driver/Tow Truck 99CCSWB Driver All Fleetsides @rattlecankustoms in IG Building a small, high rpm engine with the perfect bore, stroke and rod ratio is very impressive. It's like a highly skilled Morrocan sword fighter with a Damascus Steel Scimitar..... Cubic inches is like Indiana Jones with a cheap pistol. |
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#16 |
Registered User
Join Date: Feb 2011
Location: North, AL
Posts: 135
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Re: 82 front suspension on a 66 questions
Yup, what I call stuff in my head and what everyone else calls it is different again.
I should make it over to my shop tomorrow, and I'll take some pics of what I have going on. Hopefully it'll give you some info. |
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#17 |
Registered User
Join Date: Jul 2008
Location: Ca
Posts: 82
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Re: 82 front suspension on a 66 questions
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#18 |
Registered User
Join Date: May 2011
Location: Glendale AZ
Posts: 98
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Re: 82 front suspension on a 66 questions
Here's a picture of my '63 with '84 cross member and mounts...all '84; spacers on top, had to drill holes like you see.
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#19 | |
Registered User
Join Date: Apr 2001
Location: DALLAS,TX
Posts: 21,964
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Re: 82 front suspension on a 66 questions
Quote:
http://www.performanceonline.com/Engine-Mounts-c-455/ I used these in a 68 frame w/a notched 73-up x-member. I only had to elongate 1 hole on each sode of the x-member. My buddy now has them in his 72 Blazer that utilizes a post-73 x-member. His install required trimming the frame lip (it was a 4x4) & drilling 1 hole each side on the x-member.
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67SWB-B.B.RetroRod 64SWB-Recycle 89CCDually-Driver/Tow Truck 99CCSWB Driver All Fleetsides @rattlecankustoms in IG Building a small, high rpm engine with the perfect bore, stroke and rod ratio is very impressive. It's like a highly skilled Morrocan sword fighter with a Damascus Steel Scimitar..... Cubic inches is like Indiana Jones with a cheap pistol. Last edited by SCOTI; 05-30-2011 at 11:55 PM. |
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#20 |
2lo4me/ntlonuf/ntfstnf
Join Date: Aug 2010
Location: Newport News, VA
Posts: 239
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Re: 82 front suspension on a 66 questions
when i swapped an 83 x-member into my brothers 64 i used the motor mounts that came out of the 83 and just put a 1/4in spacer in between the mount and the frame drilled the holes and it holds all 600hp of it without issue
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62 GMC swb fleetside~ project: still undecided ![]() 84 Chevy 4wd crew cab 8 inch lift and 37" goodyear h1 pulloffs, still rockin the old mans former plate 2LO4ME 65 chevy 1 ton panel~ bagged/bodied duramax plans slowly in progress... 02 Silverado cclb duramax~ sas'd "bro" truck with more rust than imagineable... |
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#21 |
60-66 Nut
![]() ![]() Join Date: Mar 2007
Location: Coeur d'Alene, Idaho
Posts: 23,247
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Re: 82 front suspension on a 66 questions
You can use the '82 motor mounts and frame brackets, but you will need a spacer on top of the frame and drill two holes on each side. Just like the pics that 63MOUSE posted. If you were to locate a pair of the frame brackets from a '73-'87 C20, you wouldn't need the spacer on top of the frame.
The alternative would be to use a pair of the original 230/250 I6 and V8 motor mount brackets. I have a few sets if you decide to go that way.
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#22 |
Registered User
Join Date: Mar 2011
Location: South Jersey
Posts: 234
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Re: 82 front suspension on a 66 questions
I agree. Frame brackets are the same I6 and V8. The only difference is where they bolt to the frame.
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_____________________________________________ Ray All my life, I've been told I'm a "Bad Influence" |
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#23 | |
Registered User
Join Date: Sep 2010
Location: Tulsa, Oklahoma
Posts: 1,925
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Re: 82 front suspension on a 66 questions
Quote:
I used motor mounts from a 91 suburban, the engine, the front crossmember, power steering box, itc., had this same problem, we trimmed the truck frame and redrilled new holes on the crossmember. Here is a link to my pictures. Kieth ![]() http://kieth.smugmug.com/Trucks/66-G...03189305_KyUKk If you will scroll thru the pictures u can see what we did to make the later motor mounts work. Kieth 918-446-2245 we think this lowered the eng/transmission combo enough so we did not have to modify the doghouse (trans tunnel) Last edited by kieth; 05-31-2011 at 10:03 AM. |
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#24 |
Registered User
![]() Join Date: Sep 2006
Location: San Francisco
Posts: 4,780
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Re: 82 front suspension on a 66 questions
Like said above. You can use the I6 towers for the V8. You don't even have to move them. Get new rubber mounts, why use old ones. My 66 was an I6 Truck and I never touched the towers and just dropped in an 87 year model V8. The 66 towers will bolt up to the newer crossmember without even drilling any holes. Was done when I helped a friend with his front crossmember swap.
Here are some pictures of the V8 sitting on the I6 towers. I put new mounts in because the others were falling apart. Check out this thread with all the pictures and all the stuff we did to get it done. http://www.chevytalk.org/fusionbb/sh...hp?tid/223597/
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"A man and his truck, what a beautiful thing" 65 Short Fleetside BBC 65 Long Fleetside 283 3 on the tree for now. my build thread http://www.67-72chevytrucks.com/vboa...d.php?t=259536 Last edited by Chevy Fleetside; 05-31-2011 at 10:15 AM. |
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#25 |
Registered User
Join Date: Apr 2001
Location: DALLAS,TX
Posts: 21,964
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Re: 82 front suspension on a 66 questions
Just to throw this out there in case someone doesn't know this info, the 230/250 6's use the same mm tower as the sbc. The large 6 (292) uses a different pass side from what I recall.
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67SWB-B.B.RetroRod 64SWB-Recycle 89CCDually-Driver/Tow Truck 99CCSWB Driver All Fleetsides @rattlecankustoms in IG Building a small, high rpm engine with the perfect bore, stroke and rod ratio is very impressive. It's like a highly skilled Morrocan sword fighter with a Damascus Steel Scimitar..... Cubic inches is like Indiana Jones with a cheap pistol. |
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