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Thread: MSD 4x Wheel & Holley Hall-Effect Sensor

  1. #41

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    I did seal them with Ultra Copper Permatex. That's an old picture of when I shortened and capped the frame rails months ago. I was showing how the WBO2 sensor wiring was ran inside the rail with the headlight wires and the oil accumulator feed. I was thinking maybe I'm getting noise from there on that side, since the other side doesn't look as crazy and it only has the WBO2 cable in that rail. Sealing the collector made no change. Still missed and still has the erratic left WBO2 datalog. I figure I shouldn't need more dwell on the smart coils with only 11.5 compression, but what about with heavy nitrous use? Would more than 2000 PPH warrant more dwell time?

  2. #42
    Join Date
    Dec 2009
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    Connecticut
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    Quote Originally Posted by SCHUCKZ View Post
    I figure I shouldn't need more dwell on the smart coils with only 11.5 compression, but what about with heavy nitrous use? Would more than 2000 PPH warrant more dwell time?
    What is your Dwell Time currently set at? http://documents.holley.com/199r10662.pdf (Holley EFI 556-112 CNP Smart Coils Instructions - Read end of page 1.)
    (When inquiring about an EFI software parameter, please specify what that value is. We can't repeatedly look at your Global File every time you ask a question.)
    May God's grace bless you in the Lord Jesus Christ.
    '92 Ford Mustang GT: 385" SBF, Dart SHP 8.2 block, TFS TW 11R 205 heads, 11.8:1 comp, TFS R-Series intake, Dominator MPFI & DIS, 36-1 crank trigger/1x cam sync, 160A 3G alternator, Optima Red battery, A/C, 100HP progressive dry direct-port NOS, Spal dual 12" fans/3-core Frostbite aluminum radiator, Pypes dual 2.5" exhaust/off-road X-pipe/shorty headers, S&W subframe connectors, LenTech Strip Terminator wide-ratio AOD/2800 RPM converter, M4602G aluminum driveshaft, FRPP 3.31 gears, Cobra Trac-Lok differential, Moser 31 spline axles, '04 Cobra 4-disc brakes, '93 Cobra booster & M/C, 5-lug Bullitt wheels & 245/45R17 tires.

  3. #43

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    It's set at 4.5 now.

  4. #44
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    Dec 2009
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    Connecticut
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    So set it at 5 msec in the WOT/N2O area of the Dwell Time table.
    May God's grace bless you in the Lord Jesus Christ.
    '92 Ford Mustang GT: 385" SBF, Dart SHP 8.2 block, TFS TW 11R 205 heads, 11.8:1 comp, TFS R-Series intake, Dominator MPFI & DIS, 36-1 crank trigger/1x cam sync, 160A 3G alternator, Optima Red battery, A/C, 100HP progressive dry direct-port NOS, Spal dual 12" fans/3-core Frostbite aluminum radiator, Pypes dual 2.5" exhaust/off-road X-pipe/shorty headers, S&W subframe connectors, LenTech Strip Terminator wide-ratio AOD/2800 RPM converter, M4602G aluminum driveshaft, FRPP 3.31 gears, Cobra Trac-Lok differential, Moser 31 spline axles, '04 Cobra 4-disc brakes, '93 Cobra booster & M/C, 5-lug Bullitt wheels & 245/45R17 tires.

  5. #45

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    Thanks Danny.

  6. #46

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    I can't thank you guys enough for sticking with me through my issues. The car is acting like it supposed too now. It even idles great. After the initial change of the Injector Off Times, I was able to clean it up a little more by tweaking the values over 16V. The Accel chart only went to 16V and my Lithium Pros puts out close to 17V when fresh. Also, I went through the process of setting the Inductive Delay, and now it's not retarding 5° when the RPM climbs. I can't wait to get back to the track and make my first decent pass on this 8 year build. I even got that left WBO2 to look like the other side. It seems it was a combination of a weak crimp and the leak at the collector. It actually has blew the Ultra Copper out twice. I will keep patching it up until I'm 100% that I'm not redoing the headers. They look cool, but are a pain in the pancreas when pulling plugs. Thanks guys.

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