Are these Big block perches? - The 1947 - Present Chevrolet & GMC Truck Message Board Network



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Are these Big block perches?

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12-16-2010, 08:05 PM

Allensracing

Registered User

Join Date: Dec 2010

Location: Paradise, ca

Posts: 295

Re: Are these Big block perches?

Quote:

Originally Posted by sailed2japan

I thought that BBC perches were made wider so that the motor would line up the same with the transmission?

the bbc and sbc line up exactly the same. the 68-72 used a different perch for exhaust clearance
later model trucks used a mount that will clear either engine

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Last edited by Allensracing; 12-16-2010 at 08:05 PM.

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