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Old 10-08-2007, 07:29 PM   #1
70stroker
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SBC to BBC Questions?

its a 70 gmc 1/2 ton 2 wheel drive. I just bought a 454 bbc to take the place of my built 383stroker. my question is What problems if any will i run into swappin them out, Mainly motor mount, mounting points?

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Old 10-09-2007, 06:26 AM   #2
dwaite72lnghrn
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Re: SBC to BBC Questions?

Engine towers, Motor mounts, 3/8th fuel line. BBC fan shroud, 3 core rad. All of the pulleys, exhaust manifolds, lead pipes, mufflers. Power steering hoses need to be moved(if oem lines).
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Old 10-09-2007, 07:26 AM   #3
bayer20
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Re: SBC to BBC Questions?

curiously what are your plans with the 454? Why not stroke out a 400sbc. 454 parts are so much more costly.
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Old 10-09-2007, 09:22 AM   #4
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Re: SBC to BBC Questions?

Its tough to find a 400 sbc around here.

whats the differenece in towers? Wheres a good place to find them? thanks
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