what is the stock fuel pressure for 91 civic
Thread Starter
Joined: Jan 2004
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From: Rockaway, NY, USA
what is the stock fuel pressure for 91 civic
i've just dropped in a b16 swap in 91 civic, i think it not getting enough fuel. i want to check the fuel pump pressure, what psi should it be at. will a stock 91 civic pump be able to run a b16 motor that was converted to obd1
Honda-Tech Member
Joined: Apr 2004
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From: phoenix, az
Re: what is the stock fuel pressure for 91 civic (racingant)
You should see 35-41 psi with the vacuum hose disconnected from the fpr. The 91 civic fuel pump shouldn't have any problems supplying enough fuel to your b16. I've ran 48 psi on my 88 civic fuel pump and it was fine.
Honda-Tech Member
Joined: Apr 2004
Posts: 2,785
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From: phoenix, az
Re: what is the stock fuel pressure for 91 civic (racingant)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by racingant »</TD></TR><TR><TD CLASS="quote">i get 45 psi with the vacuum hooked up is that good</TD></TR></TABLE>
that's too high imo.
What's the pressure with the vacuum line disconnected?
Look for a restriction in the fuel return line first. If that's not it try another fpr.
that's too high imo.
What's the pressure with the vacuum line disconnected?
Look for a restriction in the fuel return line first. If that's not it try another fpr.
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