BangkokDean
Well-known member
for a 350 L98 T.P.I Injection what fuel pressure is required?
43 with vac reference line removed, engine running, idle vac would pull it down to about 36
just running up the pressure is going to screw up the fuel trim. You can do it, if you tune for a new corrected resulting injector size for that pressure, otherwise small changes should only be made. Generally, if you need more injector, get larger ones instead of running up the pressure.
Bosch yellows rated 19lbs for fords are 22s for tpi pressure. Factory TPI came w/ 22s on a 350, 305 (f body and such) came w/ 19s (all multec junk). Only LT1s used 24# multecs
1st, buy bosch or deka injectors, throw those accel things away. They are junk. FP is same, 43 w/ no vac ref.
1st, buy bosch or deka injectors, throw those accel things away. They are junk. FP is same, 43 w/ no vac ref. The large body yellow ford motorsports are bosch 19s for ford, At the FP for TPI (higher) they are right around 22, perfect for a stockish 350.
Gene, I thought you were going for fuel economy? Why 24s? Can you read BLM? What's it @ ?
1st, buy bosch or deka injectors, throw those accel things away. They are junk. FP is same, 43 w/ no vac ref.
Why no vacuum reference? Seems like it couldn't hurt.