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Old 12-17-2012, 10:19 PM   #6
Telecasterjoey
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Join Date: Nov 2010
Location: Ottawa ON
Posts: 514
Re: 98 5.7 vortec efi conversion to a carb

I put a 1990 tbi motor in my 86, I had to file the center 4 holes in my aluminum intake as the 4 center intake bolt holes on the 1990 motor go straight down where the 86 bolt holes are on an angle. The 1990 block is does not have a hole for the fuel pump so I hooked up an inline Holley fuel pump made for carbs(3-7psi). Bolted on my carb and it ran great, I used the 86 wiring and distruibuter.

I think what you are looking to do would be very possible
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