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Installing FAST Fuel Rails on otherwise stock everything else - tune?

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Old 06-29-2014, 03:01 PM
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Default Installing FAST Fuel Rails on otherwise stock everything else - tune?

Will the car need a tune if installing Fast Fuel rails on an otherwise completely stock engine?

And if so, what would the side effects be if doing this and running it without a tune? (Backfire? Misfire? Crappy idle? anything else?)
Old 06-29-2014, 08:41 PM
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68 views and no one knows if a set of aftermarket headers and fuel rails will require a tune?
Old 06-29-2014, 08:49 PM
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You need a tune when installing headers. No idea on the fuel rails. Not sure why you would install them with a stock intake.
Old 06-29-2014, 09:51 PM
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No on the fuel rails. Ideally you want a tune for the headers. IMO waste of money until you have a few more mods.
Old 06-29-2014, 10:19 PM
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I had to get the headers as the stock ones would not work on the car from what I was told.. It's a swap car - but the engine was kept mainly stock. By mainly I meant just the little things like the headers, fuel rails, throttle body spacer, 255 fuel pump etc. Just bolt on stuff really.
Old 06-30-2014, 12:37 PM
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Originally Posted by Seymor Butts
I had to get the headers as the stock ones would not work on the car from what I was told.. It's a swap car - but the engine was kept mainly stock. By mainly I meant just the little things like the headers, fuel rails, throttle body spacer, 255 fuel pump etc. Just bolt on stuff really.
Yes, get a tune. Even if it's just a mail order one.



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