Long Tube 4.3L headers
#15
TECH Junkie
Join Date: Mar 2003
Location: Katy, TX
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take the 2 screws out of the tb blade and remove them, then open the tb and you will be able to pull the blade out from the top. Once its out, take a dremel or grinder or something and cut the half moon piece off, but DO NOT remove the whole metal piece because you can see the idle air hole in it is sized for the 4.3L. Once the half moon is off smooth out the edge and reinstall it. You will be amazed at the difference in throttle responce.
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Ken in AZ
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09-17-2015 07:08 AM
slowlsx
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08-10-2015 05:33 PM