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Question about Ls1 and T-56 in a '91 OBS Short w-base chevy truck?

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Old 03-26-2007, 08:31 PM
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Default LS1 and T-56 IN A '91 OBS Short w-base chevy truck!?

Hey guys... I have a friend with a 91 chevy swb truck with i beleive a 4.3 m5. We are making this his project truck and wants to make it a kick-butt street truck. we already have done a bunch of exterior mods now he wants to drop in a 383 ls1 with matching T-56. Does anyone know how well the engine fits and especially the tranny? will the shifter have to be relocated in the truck? will the mounts have to be chaned? etc....?

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Old 02-21-2008, 07:00 PM
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rrrrrr
Old 02-21-2008, 07:55 PM
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you''re probably gonna need bucket seats or modify the bench seat to run the T56, there are more than a few OBS/LS1 swaps out there that i have seen and all look very painless..
Old 03-03-2008, 09:00 PM
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I have an almost identical swap, only it is only a slightly modified 5.3 engine.
pm or email me with any questions, and I'll be glad to help all I can.



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