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How do you tell fuel pumps apart?

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DROPthatCLUTCH

10+ Year Contributor
483
4
Feb 21, 2011
Calgary, AB, Canada
Bought my car a while ago, boost was set at 22 psi when i bought it with barely and mods. MBC, boost gauge. Thats all I know of.
But anyways, it wasn't hitting fuel cut at 16psi. It actually pulled so hard, all the way to redline.

I only did a couple pulls like that, then I turned it down.

I'm wondering if the previous owner put a fuel pump in it. So I'm gonna pull out the pump assembly and check it out.

Any things to look for to tell the difference between a 255, 190, or stock?

Edit: nevermind, i researched and it will say on the pump itself. My bad.
 
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