LT1-LT4 Modifications 1993-97 Gen II Small Block V8

New dyno results

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Old 03-24-2007 | 05:57 PM
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Default New dyno results

So I just got my second dyno tune since I had the car because I gat a few new things done to the car. With all the mods you see below I was able to get 349hp/320tq. It turns out that my fuel pump craps out at 4500 rpms so I am not getting enough gas at WOT causing me to go super lean. When I get my new racetronix pump which is on order I will take the car back and get some more hp out of it. Dont know how much but I'm hoping for another 20 since the tune I have now had to be done a little more safely not to damage the engine do to the fuel problem.
Old 03-24-2007 | 06:40 PM
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Nice, Pretty good numbers!

FWIW, I have a Racetronix 255lph PnP system for sale. The pump has only been installed and never run. PM me if your interested.

Tony.
Old 03-24-2007 | 06:41 PM
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Should be plenty more in it when you get more fuel fixed.
I don't know what your cam looks like, but I'm guessing it peaks well above 4.5k
Old 03-24-2007 | 09:17 PM
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Originally Posted by Speed Density
Nice, Pretty good numbers!

FWIW, I have a Racetronix 255lph PnP system for sale. The pump has only been installed and never run. PM me if your interested.

Tony.
too late i already orded the pump. its on its way. how easy was the install are the instructions pretty straightforward and helpful with the wiring?
Old 03-24-2007 | 09:19 PM
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Originally Posted by James Montigny
Should be plenty more in it when you get more fuel fixed.
I don't know what your cam looks like, but I'm guessing it peaks well above 4.5k

funny thing is the car was taken up to 6200 and fuel pressure just dropped from 4500 up. however hp was still increasing past 4500. my cam is 224/236 574/572 111 lsa.



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