'78 C-20 454 to 350 Swap - Hot Rod Forum : Hotrodders Bulletin Board
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Old 07-13-2010, 09:46 AM
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'78 C-20 454 to 350 Swap

Hey guys, i want to swap the 454 (going in a drag truck) for a 350 to daily drive, Its got a 400 turbo tranny, will i have any line up problems when dropping in the small block?, I know the motor mounts will line up but the tranny is what I'm wondering, any other issues I should know of?

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Old 07-13-2010, 10:24 AM
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Just the exhaust.
May need to get new radiator hoses and a radiator shroud for a small block with heavy duty cooling
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Old 07-13-2010, 11:00 AM
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The small block and big block are only different from the motor mounts forward. You shouldn't have any problems
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Old 07-13-2010, 11:37 AM
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All new accessory brackets and pulleys.

Last edited by Sinister; 07-13-2010 at 01:56 PM.
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Old 07-13-2010, 01:48 PM
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Awesome thanks guys, i have a compleate motor for out of a c-10 with all the brakets and pulleys so it works awesome, any of you guys have or happen to know were I can find AC pump brackets for a c-10 with a small block chevy
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