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safe to re-wire fuel pump and install in 190 pump?

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kidd gs-t

20+ Year Contributor
80
0
Jul 6, 2002
hey guys, i'm thinking about changing my fuel pump already and install a 190 pump along with doing the re-wire mod. My question is, i won't get my injectors and s-afc maybe in a month or so. You guys thinks it's fine to go ahead with the mods without tuning and worry about ne sort damage done to my car? i'm plan on leaving everything at stock setting ( including my boost which is at 12 ne way) then when i get the injector and safc start tuning.

also a 190 pump along with a re-wire still shoudn't be enuff to ovverrun the frp right?:confused:
 
You'll be fine with the larger pump and re-wire. Worst it could do is over run the fpr and mess with fuel trims. Dont worry about it but for later on down the road, it'll be a good idea to upgrade injectors and get an adjustable fpr.
 
You'll be fine with the larger pump and re-wire. Worst it could do is over run the fpr and mess with fuel trims. Dont worry about it but for later on down the road, it'll be a good idea to upgrade injectors and get an adjustable fpr.

The 190 will not overrun the stock FPR. Re-wire and install the pump and you'll be fine. An adjustable FPR is recommended for proper tuning, and will be necessary should you upgrade to a 255 or larger. But for now, it will not affect your stock tune. Mod away sir.
 
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