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#1 |
Senior Member
Join Date: Nov 2005
Location: Queen Creek, AZ
Posts: 218
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Engine mount placement
I am finishing up the frame and suspension and am about to put the drivetrain in. One of my buddies said he moved the engine brackets(on his truck) that are bolted on the front crossmember forward about 2 inches to allow for more room between the engine and firewall... The truck had a 307 and a manual 4spd. Does anyone have any comments on this? I will be putting a crate 350HO in the truck.
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'67/70 Chevy C/10 '10 2500 Crewcab Duramax 4wd |
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#2 |
its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,693
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Re: Engine mount placement
Why would he need to do this? There's already 6 inches or so between the dist (HEI type) and the firewall.
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#3 |
Senior Member
Join Date: Nov 2005
Location: Queen Creek, AZ
Posts: 218
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Re: Engine mount placement
not sure... he just said it was a really tight area to work in until he moved the mounts forward. is this a bad idea?
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'67/70 Chevy C/10 '10 2500 Crewcab Duramax 4wd |
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#4 |
Watch out for your cornhole !
![]() Join Date: Jun 2003
Location: Azle, Texas
Posts: 14,162
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Re: Engine mount placement
He had the wrong stands if it was tight and he felt the need to relocate them forward.
Stock small block stands bolt into the front set of holes and allow lots of room between the engine and firewall. No holes need to be drilled either.
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I'm on the Instagram- @Gearhead_Kevin |
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#5 |
4 eyed fever
Join Date: Jul 2005
Location: Eureka, Nevada
Posts: 500
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Re: Engine mount placement
My gm HEI is right up against the firewall. I think it would be nice to have the extra room, but don't know what other mods you would have to do. Maybe it's diff. for 4wd's??
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1971 GMC 2500 4x4 1972 GMC Sierra Grande 1/2 t 4x4-#1 son's truck. Recently completed resto. 4 YO daughter," Daddy, I like your truck better than Mom's." (2000 F350-ranch truck) Smart kid!! |
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#6 |
Watch out for your cornhole !
![]() Join Date: Jun 2003
Location: Azle, Texas
Posts: 14,162
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Re: Engine mount placement
4 wheel drive is different. The engines were mounted further back than 2wd's.
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I'm on the Instagram- @Gearhead_Kevin |
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#7 |
Registered User
Join Date: Jan 2000
Location: Wyoming USA
Posts: 2,445
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Re: Engine mount placement
Right on TX but you can use the rear holes on a 2wd allso,Dist will be close to firewall but still accessable.I have mine in the far back holes on my 69 I installed a TH 350 TRANS in place of a 3speed and didn't want to lengthen drive shaft.
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2001 Silverado K-1500 2005 FXDWG stage3 69 CHEVY Short/Step 327/4L60 373 posi 63 IMPALA 327 |
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#8 |
Senior Member
Join Date: Nov 2005
Location: Queen Creek, AZ
Posts: 218
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Re: Engine mount placement
TXFF, he lined up the back holes of the stands where the front holes on the Xmember are.
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'67/70 Chevy C/10 '10 2500 Crewcab Duramax 4wd |
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#9 |
Registered User
Join Date: Jan 2006
Location: mn
Posts: 92
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Re: Engine mount placement
i have a 67 gmc 2wd i used the rear holes and 6 cylinder mounts a 350 tranny the tranny mounts perfect (the crossmember and shifter lingage) the drive shaft fits perfect I was wondering and reading other threads about this same thing, why if iused the 6cylinder mounts should bring the whole combo back 3 1/2 inches why all the stock tranny mounts work this is very interesting l would like to here more input thanks
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#10 |
Registered User
Join Date: Jan 2006
Location: mn
Posts: 92
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Re: Engine mount placement
oh yes i dont have the cab on yet so i dont know how tight the dist will be
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#11 |
Senior Member
Join Date: Nov 2005
Location: Queen Creek, AZ
Posts: 218
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Re: Engine mount placement
in this pic you can see where the stands/mounts are and the bolt hole in front of it.
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'67/70 Chevy C/10 '10 2500 Crewcab Duramax 4wd |
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#12 |
Registered User
Join Date: Jan 2006
Location: mn
Posts: 92
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Re: Engine mount placement
here is a pic of mine in the rear set of mount holes with using all stock holes for tranny(oh yeah factory hoses worked perfect for radiator)
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#13 |
Senior Member
Join Date: Dec 2004
Location: Fremont, Ca
Posts: 260
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Re: Engine mount placement
I mounted my stands between the 6 and 8cylinder holes and it seems just right with a 383 and 400 tranny. I do have a different front crossmember though.
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