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Old 07-11-2014, 05:30 PM   #1
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to big of injectors on kenne bell setup

I have a 99 mustang gt with a 1.7 kenne bell it has siemen deka 60 lb injectors and idk if its currently tuned but it runs like complete ****.. it vibrates like hell then when you give it gas is boosts slowly and smells pig rich and its on 9lbs of boost. I came to the conclusion that my injectors are way to big and it has boost a pump so I dont think its helping but making my problem a little worse and I probably get 5 miles per gallon . Any info would be much appreciated! I just purchased 39lb injectors and a diablo predator tune

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Old 07-11-2014, 06:16 PM   #2
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Well I would take it to a tuner and get a dyno tune. It's probably running the canned KB tune

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Old 07-11-2014, 06:43 PM   #3
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You need a dyno tune.
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Old 07-11-2014, 07:36 PM   #4
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The 60s are fine, its your tune. Wasting your money downgrading the injectors and if those 39s are secondhand from a Cobra you shouldn't be running them on a 2V. If they aren't then disregard.

And as was said, that canned tune you bought is not going to be a good idea, you need a dyno tune and it will run great.
2000 Mustang GT Steeda build #48. Bolt ons, suspension, Novi 2000.

Just because I give you advice, doesn't mean I know more than you. Its just means I've done more stupid ****.
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