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#1 |
Registered User
Join Date: Jul 2005
Location: downingtown pa
Posts: 62
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i have a 68 gmc pu 1500 and it came with a 250 and a 3 spd i am putting a 350 and a 5 speed in it i used the bellhousing from the 3 speed and put it on the 5speed so i could use the mounting bolts on the bellhousing and when i try to put my350 in the valve covers hit the fire wall it is almost like the trans sits back to far also i am using mouor mounts and brackets from a 80 gmc and was going to see where the engine sat and drill out the holes but trans is sitting back to far what do i need
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#2 |
Senior Member
![]() Join Date: Sep 2005
Location: Lewisville, Nc
Posts: 10,234
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Re: need help engine doesnt fit
you need the mounts out of a 67-72 v-8 truck
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David fuller Ase Certified Mechanic Click here to help support our board!! 1971 Chevy c-10 under going a 4.8l LSx swap Build Thread http://67-72chevytrucks.com/vboard/s...d.php?t=421305 2007 Honda Accord my daily 145kmiles 2002 Honda Accord 4 door With 330k(sisters car) 2005 toyota Avalon 228k( brothers car) 2002 Sububran 5.3 245k 2000 Tahoe 5.3l 378 General manager for Marco's Carwash & lube |
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#3 |
Questionable
Join Date: Mar 2005
Location: Atlanta
Posts: 13,376
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Re: need help engine doesnt fit
You need to use the mounting holes that are farther forward than the ones you're using now. I can't tell you if you need BB or SB mounts (if there's a diff'ce...I swapped to LS1).
I don't know if the crossmember from a 80 GMC is the same as the '68 so I dunno if you're going to have problems when it comes to bolting it up. I would get towers and mounts particular to your application.
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If I've got anything up for grabs, it'll be here: 7-hole gauge cluster for a 67-72 p/u FREE (link) I can't check the forum daily. If I don't reply to you within 24 hours, drop me a PM! I'm (hopefully) still alive and will reply faster to a PM. |
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#4 |
Registered User
Join Date: Dec 2005
Location: ottawa
Posts: 87
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Re: need help engine doesnt fit
truck dude is right the 6 cylinder and 8 cylinder mounts are different and i think u have to move them forward the holes are already there so they will bolt right in
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#5 |
Senior Member
![]() Join Date: May 2004
Location: Queen Creek, AZ
Posts: 1,005
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Re: need help engine doesnt fit
There are alot of people who mount the SBC in the 250 (I6) position. You have to use use 67-72 chevy truck mounts. From what I understand, it is easily done w/o any extra holes being drilled, it just moves the engine fairly close to the firewall. Really close if you are using an HEI distributor, but still easily done. Not sure if you need the I6 or SBC stands...
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#6 |
State of Confusion!
![]() ![]() Join Date: Jul 2002
Location: Gulfport, MS USA
Posts: 46,929
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Re: need help engine doesnt fit
To mount it in the 6 position, you use 6 cylinder stands. The eights won't line up. It should work, but be very close. Depending on the type valve covers you have (real tall), that may be some of the cause. I am not sure if you can use the stock bell housing mounts. I'm told those are different between 6 and 8s.
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Bill 1970 Chevy Custom/10 LWB Fleetside 2010 Toyota Tacoma PreRunner SR5 Double Cab - DD Member of Louisiana Classic Truck Club (LCTC) Bill's Gallery Life isn't tied with a bow, but it's still a gift. Live simply. Love generously. Care deeply. Speak kindly. Leave the rest to God! Last edited by Palf70Step; 01-14-2006 at 06:33 PM. |
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#7 |
Registered User
Join Date: Sep 2005
Location: Roseville, CA
Posts: 152
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Re: need help engine doesnt fit
Call ECE. I just sent a bunch of crossmembers down to them... One of them was for a 350 bell-housing mount... Talk to Terry.
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Avatar is a pic of "Before"... Just wait.. ---------------- 1969 Fleetside: Shortened frame for SWB, ECE 4-6 drop. ECE SS tank. All new ECE suspension. Rebuilt 12 bolt 3:73 with Eaton Posi. Front and rear disc brakes. Ramjet 350 and 700r-4 trans. 20" Centerline wheels with Kumho 295/45/20 tires (I hope they fit). Progress pics: http://s44.photobucket.com/albums/f2...uck/?start=all ---------------- Seriously... It's nothing a large dose of cash can't fix... Right? After all, I can't take it with me when I go... Just gotta have enough to get there!!! ![]() |
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