47 PSI Fuel pressure STOCK regulator
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Joined: Oct 2000
Posts: 817
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47 PSI Fuel pressure STOCK regulator
my 1989 LB9 motor has 47 psi fuel pressure from the factory. The regulator is still original. Anybody else have 47 ???
from what I'm reading, this is pretty rare ??
I keep seeing reference to 43.5
from what I'm reading, this is pretty rare ??
I keep seeing reference to 43.5
Joined: Jan 2005
Posts: 10,416
Likes: 493
From: Hurst, Texas
Car: 1983 G20 Chevy
Engine: 305 TPI
Transmission: 4L60
Axle/Gears: 14 bolt with 3.07 gears
Re: 47 PSI Fuel pressure STOCK regulator
The 1986 TPI setup that I have on my van has the stock issue GM regulator in it. It runs at 46 PSI.
Member
Joined: Jul 2005
Posts: 345
Likes: 0
From: Indiana
Car: 87 trans am
Engine: 350 TPI bored .040 over
Transmission: modified 700r4
Axle/Gears: stock spline, 3.73 Eaton posi
Re: 47 PSI Fuel pressure STOCK regulator
my 87 trans am with a 305 originally which is a 350 now was running at 45.5 from when i looked before i went to an adjustable one
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