Timing question...

Sonics2042 · 02-20-2002, 12:04 PM

Hello,

My timing was at 18* on 92 octane... it was pinging once in a while on WOT. My car reference guy said to take it down to 8*. He said there was some chain thing (sorry...i forget what exactly it was) that was essentially making it 2* higher than what it was set at.

Now, I think I would be ok at 14* because my car is in great mechanical condition and my car was only pinging occasionally...

Also, I am curious about how much power I am losing from setting it to 8* (assuming no detonation...)

Thanks,
DoranW

Stang Runner · 02-20-2002, 12:35 PM

18 TDC is to high set it to about 13-15 TDC
I did to runs one with 8 timming and another with 14 TDC and I picked up .2 from the timming stock is 10 TDC

89 Cobra LX · 02-20-2002, 04:43 PM

Quote:

Originally posted by Sonics2042
Also, I am curious about how much power I am losing from setting it to 8* (assuming no detonation...)

It makes a pretty big difference. When I dyno'd my car I picked up 20HP from 8*- 14*.

chris91LX · 02-20-2002, 06:22 PM

If it was at 18* and pinging you just needed to drop it until it stops. Most n/a stangs seem to be able to get away with 16*.

02-20-2002, 12:04 PM	#1
Sonics2042 Registered Member Join Date: Jul 2001 Location: Seattle, WA Posts: 381	Timing question... Hello, My timing was at 18* on 92 octane... it was pinging once in a while on WOT. My car reference guy said to take it down to 8. He said there was some chain thing (sorry...i forget what exactly it was) that was essentially making it 2 higher than what it was set at. Now, I think I would be ok at 14* because my car is in great mechanical condition and my car was only pinging occasionally... Also, I am curious about how much power I am losing from setting it to 8* (assuming no detonation...) Thanks, DoranW __________________ What I have: 1990 Red Mustang 5.0 LX: [BBK X-Pipe]-[MAC Cat-Back Exhaust] [MAC Cold Air Intake]-[BBK Equal Shorties] [3.55 Gears]-[Cobra Intake Manifold (Upper and Lower] [E-303 Cam]-[Granetelli Mass Air Flow Sensor] [Front and rear sway bars]-[New black carpet and seats.] [Adjustable Fuel Regulator]-[T5 Conversion w/ K. Cobra Clutch/Hurst STS] [Cobra Throttle Body]-[130A Alt. Conversion] Thinking about: Aftermarket Heads! Vortech A-Trim

02-20-2002, 12:35 PM	#2
Stang Runner Registered Member Join Date: Jun 1999 Location: Walker, MI, USA Posts: 1,202	18 TDC is to high set it to about 13-15 TDC I did to runs one with 8 timming and another with 14 TDC and I picked up .2 from the timming stock is 10 TDC __________________ Engine: steel mounts, Under drive pulleys, K&N, GT-40 Intake ported Lower, No power steering, No A/C, Mac cold intake, 65MM TB, 255 Fuel pump, 24's, AFR 165 58cc, Rocker Arms 1.7with the stock Cam, 1 5/8 short headers, offRoad X-pipe Drive Train: 3.55, T-5 with a Pro 5.0 shifter 12.656@107.71MPH See It at www.T-racing.com/mustang.htm

02-20-2002, 06:22 PM	#4
chris91LX Registered Member Join Date: Oct 1998 Location: Suburban Chicago, Hanover Park Posts: 695	If it was at 18* and pinging you just needed to drop it until it stops. Most n/a stangs seem to be able to get away with 16*. __________________ My Ford Club http://www.midwestfords.org/ Best time N/A 12.9 @ 107 1.711 60' 125 shot - 12.04 @ 113 1.59 60'

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