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Old 08-03-2010, 01:21 PM   #1
F-85
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SB to BB swap? Whats needed?

Helping my buddy work on his 77 C10. It has all accessories A/C, power steering, alt. Its got a th350.


Anything special need to be done to swap in a BB with a th400?
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Old 08-03-2010, 06:47 PM   #2
Big Port Jimmy 6
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Re: SB to BB swap? Whats needed?

I just took a 454 tbi out complete with accessories. It would bolt right in. Let me know if you are interested.
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Old 08-03-2010, 07:19 PM   #3
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Re: SB to BB swap? Whats needed?

Quote:
Originally Posted by Big Port Jimmy 6 View Post
I just took a 454 tbi out complete with accessories. It would bolt right in. Let me know if you are interested.

Thanks, but probably gonna go old school and use a 396.
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Old 08-03-2010, 09:03 PM   #4
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Re: SB to BB swap? Whats needed?

make sure you get the brackets for the accessories you will run. power steering was the bear for me, i didn't have the brackets I needed.
Hooker 2455 headers work nice.
get a 3 or 4 core radiator- i put a 3 core in mine with a Ford Taurus electric fan.
everything else went OK.
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Old 08-03-2010, 09:42 PM   #5
benoit454
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Re: SB to BB swap? Whats needed?

the 350 to 400 swap is gonna require some driveshaft and crossmember repositioning I'd think.
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Old 08-04-2010, 12:06 AM   #6
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Re: SB to BB swap? Whats needed?

Easiest and best way to get it done is to buy a kit and use some serpentine brackets off of an early 90's 350 TBI engine. Run an ad in your local Craiglist, you should be able to buy the serpentine brackets for $75 or less (I gave $75 for mine and it came with P/S pump, alternator and A/C condenser) and the adapter kit is around $100. Sorry I don't have a link, but do a search and you should be able to find the adapters.

Last edited by BigBlocksRule; 08-04-2010 at 12:07 AM.
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