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Power Adders Superchargers, Turbos, Nitrous, etc... |
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07-23-2015, 06:21 PM | #1 |
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Join Date: Jun 2014
Location: birmingham, alabama
Posts: 11
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m issfire after nitrous install
I've been trying to figure out what is causing this misfire on cylender 5 i believe. There is a wire that i think the guys that installed my nitrous put in that tins from cylender 5 coil pack and the other side goes into the fire wall where all the other wires for the nitrous enters the firewall. If I hold the wire in a certain position the misfire will go away but always comes back. Any ideas on what this wire is going to? I've already chnged coil packs and spark plugs.
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07-23-2015, 09:07 PM | #2 |
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Join Date: Jan 2008
Location: Kyle, Texas
Posts: 2,285
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Re: m issfire after nitrous install
Spark plug gap?
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**SOLD**04' Mach 1 -Comp Cams 106100's (deg 106/110) -Eatonswap with 3.4 Pulley -Full Exhaust (mac lts & xpipe, sss terminator c/b) -Built Rear w/ 3.55 gears [B]-Tuned by Lethal Performance of San Antonio -510hp/478tq |
07-24-2015, 11:38 AM | #3 |
Mach-T
Join Date: Jun 2004
Location: DFW
Posts: 2,865
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Re: m issfire after nitrous install
take a picture of what you are talking about. Did they use those stupid plastic splicing adapters or solder the wire in? The plastic pieces are quick and easy but they simply suck! I solder all my connections, period.
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Darrell Black '04 Mach 1 Track Times (bone-stock w/drs):60 ft - 1.90 | 1/8 - 8.67 (100 shot,E85,4:10s,Street tire):60 ft - 1.67 | 1/8 - 7.88 New build - 750rwhp; not track tested (yet) Mods: Build Log Paint&Body Tuned by Manny @ HPP |
07-24-2015, 11:46 AM | #4 |
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Join Date: Apr 2015
Location: Kingsland ga
Posts: 398
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Re: m issfire after nitrous install
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07-24-2015, 12:51 PM | #5 |
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Join Date: Jun 2014
Location: birmingham, alabama
Posts: 11
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Re: m issfire after nitrous install
Gapped at .35. Heat range 6. There's a wire going into the passenger side coil cover that the people that installed my nitrous put in and it seems to be causing the problem. Any ideas for what this wire is? I'll take a pic when I can. They soldered everything
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07-24-2015, 01:01 PM | #6 |
Mach-T
Join Date: Jun 2004
Location: DFW
Posts: 2,865
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Re: m issfire after nitrous install
Do you have a window switch on this kit as well? Some people use this for a tach signal if I recall; I tapped into the tach signal at the PCM.
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Darrell Black '04 Mach 1 Track Times (bone-stock w/drs):60 ft - 1.90 | 1/8 - 8.67 (100 shot,E85,4:10s,Street tire):60 ft - 1.67 | 1/8 - 7.88 New build - 750rwhp; not track tested (yet) Mods: Build Log Paint&Body Tuned by Manny @ HPP |
07-24-2015, 01:50 PM | #7 |
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Join Date: Jun 2014
Location: birmingham, alabama
Posts: 11
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Re: m issfire after nitrous install
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07-26-2015, 08:40 AM | #8 |
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Join Date: Aug 2009
Location: Denver, Ia
Posts: 443
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Re: m issfire after nitrous install
I had spark blow out with tr6 plugs at 7.5# boost at .035 gap im @ .025 now and its fine.
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