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Kirkham Motorsports

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Old 10-17-2023, 09:23 AM
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Default fuel injection

just a fyi for anyone with a nasty cam
my backdraft has a 427r from prestige and with the original carb the car refused to go any slower than 65mph in 5th without bucking .i installed a fi tech carb style injection on it with timing controls and now it has no problem going 50mph at 1500 rpms huge improvement .
and yes i could have changed air bleeds and played with carb for 5 hrs and made it perfect but for 1200 dollars its perfect no matter the weather and sold the quick fuel 750 dp for 500.00 so im only 700.00 into the fi setup and it idles at 800 rpm with 269 duration cam
i figured i give some feed back if anyone else was instrested
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Old 10-17-2023, 09:25 AM
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i also gained 7mph on my test strip lol
a 1/8 mile pull from 30mph to whatever
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Old 10-17-2023, 11:33 AM
eschaider's Avatar
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Cobra Make, Engine: SPF 2291, Whipple Blown & Injected 4V ModMotor
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Tune it, and your mileage and performance will increase even more.
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Old 10-17-2023, 12:05 PM
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oh i did
i own a automotive performance and repair shop
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Old 10-17-2023, 12:20 PM
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4 more miles to the gallon 13 to 17 just cruising no romping
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Old 10-17-2023, 12:21 PM
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Good show!
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