The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post

beaterC10 · 06-27-2005, 10:29 PM

How tolerant is the factory TBI to bigger cams, valves, and headers?

I was looking at an 87 with factory TBI on a 4.3 and was wondering about the feasiblity of swapping in an older 350 with 492 heads, headers, and a mild cam.

Anyone have any experience with swapping a small block for a 4.3?

06-27-2005, 10:29 PM	#1
beaterC10 Senior Member Join Date: Jul 2003 Location: Indianapolis, IN Posts: 1,277	TBI Questions How tolerant is the factory TBI to bigger cams, valves, and headers? I was looking at an 87 with factory TBI on a 4.3 and was wondering about the feasiblity of swapping in an older 350 with 492 heads, headers, and a mild cam. Anyone have any experience with swapping a small block for a 4.3?