C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

MAF and Fuel pump question

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Old Sep 7, 2001 | 02:41 PM
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jadedvette
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Default MAF and Fuel pump question

Now that my 383 is running good, I figured I would change the fuel pump. It's never been changed and it's one of the only things I haven't touched yet. What kind of pump is everyone using with their bigger cubed engines? I would like to keep it as an in tank pump. I was also wondering if any one makes a bigger MAF than stock. My car is an 86'
Thanks,
Joe
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Old Sep 7, 2001 | 03:32 PM
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Default Re: MAF and Fuel pump question (jadedvette)

You probably won't need a bigger MAF, but as far as the fuel pump goes, Walbro makes a reasonably priced high flow unit that seems to be the best buy going. I think the '86 uses the same delivery system as the later C4's. If so, then the Walbro 340 is what I am using but they also have a slightly smaller pump to that flows similar numbers that should support ~650 horsepower.
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