the truck runs well-but on hard accel afr drops to 10 and losses power because its to fat-some time will also go to 10afr on 3/4 throttle.Have tried to delay PE but still happens-any suggestions?
some specs...running 2 bar SD os
5.3 bore to 5.7-h beam rods-forged blower pistons 8.5 to 1 compression- whipple at 10psi-55 lb inj-comp blower cam-headers-built 4l60 and 4.10 gears
Last edited by cfar; 12-18-2009 at 09:55 AM. Reason: info add
any details about the truck. Fuel system, mods, etc.
Free HP Tuners Beginners Tuning Guide
LS1 Tuning Guide
Michigan Snowmobiler
1969 Firebird: 11.67@114 [email protected] 1/8 1.70 60 ft. EPS cam 234/246 .602.606 114+3, 6.0 LQ4, L92 heads milled 10.5:1, Ported L76 intake, ported 90mm Holley TB, 100mm MAF, FIC Custom injectors, Hooker LT, PYPES dual exhaust with an X pipe, 4L65e with all of the good parts inside, FTI 4000 RPM Stall, 12 bolt with 3.73 gears. HP Tuner tuned by me
scanner log may help
It doesn't have to be perfect, it just needs to be done in two weeks...
A wise man once said "google it"
dtc's should be set to no mil light, not mil on 2nd error.
It doesn't have to be perfect, it just needs to be done in two weeks...
A wise man once said "google it"
sorry just changed thet in a effort-will revert back to no mil you mean po101-102-103 ?ThanksOriginally Posted by Bill@HPTuners
Last edited by cfar; 12-18-2009 at 11:29 AM.
some specs...running 2 bar SD os
5.3 bore to 5.7-h beam rods-forged blower pistons 8.5 to 1 compression- whipple at 10psi-55 lb inj-comp blower cam-headers-built 4l60 and 4.10 gears
forgot has walbro 155 pump
i do one and post it -thanks
Reply With Quote