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DZEE'S LX · 07-29-2005, 11:40 AM

Thanks for the ideas.

Cleaned MAF recently when I was trying to get rid of my idle surge.

It isn't uncommon for people around here to run more timing because of our 4400 ft elevation. At least that's what I've been told, that you can run a few extra degrees at higher elevation.

Anyway I've been running the same 18 deg timing for years and years and never noticed pinging in the summer.

New 155 fuel pump wnet in at the beginning of the year. A/F ratio on the dyno seemed to show that pressure is adequate up through 6000 rpm.

TFI was replaced last year.

Plugs are in decent shape but they could probably use a change.

I guess I was thinking something was wrong with the timing advance since I get the power jump at the same time the pinging goes nuts.

Anyone know what mechanism/component advances timing?

Thanks,
Dan

07-29-2005, 11:40 AM	#3
DZEE'S LX Registered Member Join Date: Jan 2001 Location: Salt Lake City Posts: 117	Re: Ping monster has showed his ugly head! Thanks for the ideas. Cleaned MAF recently when I was trying to get rid of my idle surge. It isn't uncommon for people around here to run more timing because of our 4400 ft elevation. At least that's what I've been told, that you can run a few extra degrees at higher elevation. Anyway I've been running the same 18 deg timing for years and years and never noticed pinging in the summer. New 155 fuel pump wnet in at the beginning of the year. A/F ratio on the dyno seemed to show that pressure is adequate up through 6000 rpm. TFI was replaced last year. Plugs are in decent shape but they could probably use a change. I guess I was thinking something was wrong with the timing advance since I get the power jump at the same time the pinging goes nuts. Anyone know what mechanism/component advances timing? Thanks, Dan __________________ Spec Service (UHP), BFG G-Force KDW's, Turbo Coupe 3.55 rear w/disks, 73mm calipers, Stg 1 Twisted Wedges, TFS Street Intake, 70mm TB, E cam, Crane 1.7's, Aeromotive FPR, BBK 1 5/8 shorties, elec fan, FMS Al Radiator, Moroso Wires, Kenne Bell Ramair, March pulleys, Race Magnums, 190 lph Walbro, FMS Al Dshaft, D/S loop, MM 4point rollbar, FMS C spngs, strut tower brace, Tokico Illuminas, Prothane bushings, MM Lwr Conrol Arms, KB welded subs, Cervini Mach 1 hood/valence/side skirts/wing/airdam.