The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - Hooker Blackheart 1967-72 C10 Truck LS/LT Swap System Info Thread

the ideaman · 01-02-2020, 10:52 PM

Look at the pdf of the holley instructions. I believe the holes in the crossmember have to be 5.5" from the frame rail. The exhaust ran right into the trans crossmember. We modified it to mimic the new holley trans crossmember.

01-02-2020, 10:52 PM	#69
the ideaman Registered User Join Date: May 2009 Location: Central Valley,ca Posts: 174	Re: Hooker Blackheart 1967-72 C10 Truck LS/LT Swap System Info Thread Look at the pdf of the holley instructions. I believe the holes in the crossmember have to be 5.5" from the frame rail. The exhaust ran right into the trans crossmember. We modified it to mimic the new holley trans crossmember.