09-29-2008, 08:05 PM | #1 |
Junior Member
Join Date: Jul 2008
Posts: 21
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Spark at Boot
At night I can cut all lights out and look at each spark plug boot and see blue fire jumping off boot. I m bout out of options here, ive tried 2 sets msd wires 1 set fairly new fms wire and count less spark plugs. The problem still exist. Also everywhere the wires touch ground you can see blue like spark coming from wires.
My ign. set up is msd 6al, msd dizzy, blaster coil. Also heads are alum. which each are grounded to block and from there to chasis then to battery. Think ive done been through basics which are msd is wired straight to batt., tried different msd and coil, pickup ohms out, also get good ohm reading from msd ground at batt to coil ground at coil, tried 2 different rotor buttons and caps. Each set of wires have ohmed out good. I also get different characteristic when i swap pick up coil wires and eighterway the problem still there. Would gap cause spark not go to ground correctly, currently at 50 thou. Also dizzy has been phased in. And currently using autolite 3924 plugs. Fuel has been cut back little to cut down on detonation. Timing is at 35 36 full advanced. Engine seems to have good idle and vac around 10 12. I can also feel the engine missing as rpms go up. Spark plus reads timing to be close but that read would not be correct if all the spark aint gettn to plug. Has anyone even experienced this problem before. I maybe tackleing all the wrong things. Any suggestions would be highly appreciated. |
09-29-2008, 08:09 PM | #2 |
Trunk Monkey
Join Date: Jun 2007
Location: Home
Posts: 5,708
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Did you put the wires on the plugs dry?
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Eric 89 LX Coupe-Juiced 01 Lightning-Boost 06 TBSS |
09-29-2008, 08:12 PM | #3 |
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Join Date: Jul 2008
Posts: 21
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I tried it both ways with and without silicone grease, same results
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09-29-2008, 08:14 PM | #4 |
Welcome to America!
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are you using new plug wires?
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91 GT Convertible 2006 Nissan Titan LE Crew Cab 2014 Peterbilt 337/Marion 22' box |
09-29-2008, 08:14 PM | #5 |
Trunk Monkey
Join Date: Jun 2007
Location: Home
Posts: 5,708
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Are any of the plug wires brand new,or are do they all have some time on an engine?
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Eric 89 LX Coupe-Juiced 01 Lightning-Boost 06 TBSS |
09-29-2008, 08:15 PM | #6 |
Welcome to America!
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ha! Beat ya to it
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91 GT Convertible 2006 Nissan Titan LE Crew Cab 2014 Peterbilt 337/Marion 22' box |
09-29-2008, 08:18 PM | #7 |
Junior Member
Join Date: Jul 2008
Posts: 21
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Ford Motorsport Wires
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09-29-2008, 08:21 PM | #8 |
Welcome to America!
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fter 13 years in the automotive parts business, I have seen MSD's wire quality go to crap. get you a new set of FMS or Taylor wires, or even just a set of OE replacements to see if that takes care of it.
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91 GT Convertible 2006 Nissan Titan LE Crew Cab 2014 Peterbilt 337/Marion 22' box |
09-29-2008, 08:22 PM | #9 |
Bet I red light B4U
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This is normal on high output ign. This sound stupid but start it up turn the lights off and run your hands over the wires you should see the spark following your hand. Its like the electric ball in Spencers. Thought the same thing about preston car last year. Call MSD they claimed that to be normal.
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89 gt 2.3 stroked holley head with n12n port high flow intake with great big fart can skunk 2 seat belts with kool glow water squirters and new light up shift knob basically everything from wal-mart art carr C4 10.53@127.3 w/ 1.53 60' 89 gt vert 347 eldebrock heads and intake AOD w/3000 stall unknown with 5spd went 12.7 on steet tires 04 Mach1 automatic flowmaster K+N drop in 13.9 |
09-29-2008, 08:23 PM | #10 |
Bet I red light B4U
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89 gt 2.3 stroked holley head with n12n port high flow intake with great big fart can skunk 2 seat belts with kool glow water squirters and new light up shift knob basically everything from wal-mart art carr C4 10.53@127.3 w/ 1.53 60' 89 gt vert 347 eldebrock heads and intake AOD w/3000 stall unknown with 5spd went 12.7 on steet tires 04 Mach1 automatic flowmaster K+N drop in 13.9 |
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