speedyc5

Runs fine at 3/4 throtle. Mods to car are:

1. Z06 intake
2. Blackwing
3. BBK throtlebody
4. NGK TR55 plugs gapped to .050 Look pretty good, slight brown color.
5. New front O2 sensors. They read 900mv. at WOT.
6. Autotap does NOT show a missfire and NO codes are set.
7. Taylor wires.
8. Had aftermarket MAF, changed back to stock. Same problem.
9. New fuel filter.
10. 4.10 Gears. :lol: :lol: :lol: :lol:


My next thougt is fuel pressure????

:banghead: :banghead: :banghead: :banghead: :banghead:

FREE NIGHT OUT ($100.00 max.) to the first one with a magic crystal ball that gets my baby purring again.


Thanks for any help.


:party: :party: :party: :party: :party:

see5

I had a miss like that that drove me nuts. Turned out to be a hairline crack in a plug insolator.

dpd

exactly what is happening?you said a-tap is showing no misfires.are you sure you are not leaning on the limiter?if you have fuel pressure issues,your ltft's should be positive.i would need more info to help.

redzone

My car had same problem, was caused by a rich condition. Had it Predator tuned & it was gone(not to mention the 18 HP I picked up with the tune) :cheers:

FRC sexi blk

i know aftermarket wires can do that. The GM stock wires are good for at least 1000 HP.

use a good OBD II scanner, like ease.