Big block tbi in half ton 87! - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Alex Stilwell · 06-17-2013, 05:15 PM

I was wandering if I could use my small block throttle shaft out of t he 305 tbi onto the 454 tbi because the big block came with a 400 transmission and I an keeping my 700 r4. Has any body ever changed one over before I could use some help ! I want to run a 454 tbi and a 700 r4
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BIG V · 07-09-2013, 12:28 PM

I think you could, pull the both appart and see if they are the same size. It would be interesting to find out.
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06-17-2013, 05:15 PM	#1
Alex Stilwell Registered User Join Date: Oct 2011 Location: Lenoir NC Posts: 14	Big block tbi in half ton 87! I was wandering if I could use my small block throttle shaft out of t he 305 tbi onto the 454 tbi because the big block came with a 400 transmission and I an keeping my 700 r4. Has any body ever changed one over before I could use some help ! I want to run a 454 tbi and a 700 r4 Posted via Mobile Device

07-09-2013, 12:28 PM	#2
BIG V Registered User Join Date: Jul 2009 Location: Northern California Posts: 411	Re: Big block tbi in half ton 87! I think you could, pull the both appart and see if they are the same size. It would be interesting to find out. Posted via Mobile Device __________________ 1991 Chevy suburban 3/4 ton 4x 4:56 and pulls great 1979 Chevy 1/2 ton long bed diesel 1974 Chevy crew cab short bed 3/4 ton 4x4 project 1991 Chevy suburban 2wd 1984 Chevy suburban 3/4 ton 4x 6.5 detroit with turbo 1961 Chevy pickup 1/2 ton 2wd 1975 gmc crew cab short bed 2wd



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