350 to 454 conversion - Team Camaro Tech
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post #1 of 3 (permalink) Old Nov 15th, 05, 11:27 PM Thread Starter
Join Date: Nov 2005
Posts: 1
Question 350 to 454 conversion

Hello, I am going to install a 454 into my 1969 camaro which originally came with a 350. Does anyone know what problems I could incur i.e. frame mounts, clearances, headers etc. Any help would be greatly appreciated. Thanks, Russ
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post #2 of 3 (permalink) Old Nov 16th, 05, 06:02 AM
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Join Date: May 2004
Location: Southeast PA
Posts: 8,303
Re: 350 to 454 conversion

Russ -

Welcome to Team Camaro! There is a lot of info on this swap to be found searching the forums using such terms as "big block", "big block mounts", "big block springs", etc. We've helped two people with this swap in the last week, so you may even see threads just by looking at the last 10 days or so in this (engines) forum.

Do the search, and then if you still have questions, come back. My 69 is a former 6 cyl car, now with correctly mounted BB. Lots of us have done this swap.

69 'vert project big block/TKO 600 RR
68 'vert driver RS clone -- gone!
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post #3 of 3 (permalink) Old Nov 16th, 05, 06:16 AM
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Join Date: Oct 2005
Location: Rhode Island
Posts: 1,356
Re: 350 to 454 conversion

I did two of these swaps in the last four years. Most stuff bolts in good, but you need a few new parts:

1) big-block frame mounts (move engine 1" to pass side)
crossmember with offset holes to passenger side (or use poly trans mount and 2) use passenger side hole in crossmember to center hole in mount)
3) BB clutch bell crank (if standard trans)
4) BB radiator
5) assorted small parts like pulleys
6) BB front coil springs

I know there's more parts and someone here has probably put together a very thorough list already, so I ain't gonna try to out-do that. Do a LOT of research before you buy headers. Clearances are definitely an issue. I bought new Hooker Super Comps for my 454 into a '68 swap and had to dent three or four places to get them to fit. Man, I hated denting up a brand new set of jethot-coated $600 headers.

Bottom line: it's a easy swap and VERY rewarding the first time you mash the go-pedal to the floor.

Dave F. in Rhode Island
'68 Camaro SS Accel DFI 454 (SOLD - I'm a boring Corvette owner now)
Bought my first big-block Chevy in 1970
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