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Old 07-18-2023, 12:34 PM
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Cliff R Cliff R is offline
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Join Date: Nov 2000
Location: Mount Vernon, Ohio 43050
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Just a few side notes here to add to my first post.

This is a topic where some folks run very well w/o apparent issues with pretty basic set-ups and others can't get out of the 13's trying to do the same thing.

My opinion here is to install a system that is EASILY good for a LOT faster than your car should run at the track.

Also keep in mind these two things. I raced my car for years with nothing more than a larger 1/2" feed line in the tank, a Comp 140gph put right in front of the tank, then fed a Carter 120gph mechanical pump, then on to the carb with 1/2" lines everyplace. I also bypassed the mechanical pump with no change at all.

The car never nosed over once, but only ran around 108-109mph and typically 12.40-12.60's. It did "feel" a little "soft" up near the shift point of 5500rpm but I just figured it was running out of camshaft and head flow (RAIV cam and 6X-4 heads at 232cfm.

Over one Winter I yanked ALL of that out and sumped the tank, moved the 140gph electric pump behind the tank, Holley regulator right in front of the carb, and 8an lines fittings everywhere.

To my surprise on the very first outing I ran 12.0's at 112mph (in the heat) and the engine spun so quickly past 5500rpms I couldn't move the shifter fast enough!

So the entire time I was "marginal" for fuel delivery for the power level and vehicle performance but never knew it. I went on to make other changes and run a LOT quicker, and never experienced a hint of any fuel delivery issues since even with much more powerful engines installed and running a lot quicker at the track.....FWIW....

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73 Ventura, SOLD 455, 3740lbs, 11.30's at 120mph, 1977 Pontiac Q-jet, HO intake, HEI, 10" converter, 3.42 gears, DOT's, 7.20's at 96mph and still WAY under the roll bar rule. Best ET to date 7.18 at 97MPH (1/8th mile),
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