PLEASE help ASAP.
Thread Starter
Senior Member
Joined: Jul 2000
Posts: 992
Likes: 0
From: Tx
Car: 92 Z, 91 Formula, 04 CTS, 01 Tahoe
Engine: 355 forged 4 bolt, SuperRam, 58mm t
Transmission: T5, looking for t-56
PLEASE help ASAP.
I need to know what the fuel pressure is from a stock tbi pump.The fitting on the stock filter is stripped.I am wanting to know if I can safely bypass the pump with 50 psi rubber lines. I need to know ASAP because I am under the car now.Much thanks to all those who reply.
? 
Supreme Member
Joined: Dec 2001
Posts: 2,378
Likes: 1
From: Barboursville, WV
dont hate me if im wrong but im pretty sure the TBI pump doesnt puit out more than 15psi...i know the TPI pumps will put out around 50 but the TBI doesnt im pretty sure the injectors only see about 12psi or so
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