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Author
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Topic: **NEED SPARK PLUG HELP**
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SIC9250
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Member # 8216
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OK GOTTA 357W 12.5:1 COMP STOCK RODS/CRANK WITH WORLD PRODUCT SR HEADS,FULL COMP VALVETRAIN (PUSHRODS,SOILD LIFTERS,1.7 ROLLER ROCKERS,588./588. 106 LSA)VIC JR INTAKE,DEMON 750 FULL MSD IGNITION....NEED TO KNOW WHATS A GOOD PLUG TO RUN IT THE THING?? I HAVE SOME CRAP CHAMPIONS IN THERE NOW BUT THEY FOUL OUT QUICK...DO I NEED A HOTTER BURNING PLUG? COOLER BURNING PLUG?? WHAT GAP SIZE?? NEED HELP ASAP...IM CALLING AROUND TOMMORROW BUT I HIT U GUYS UP FIRST..THANKS..
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Coyote_Mach1
Posts: 6959 | From: in the drivers seat. | Registered: Feb 2008
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1SLOWLX
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Member # 558
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couple questions
Na motor or nitrous?
That combo is similar to mine in my 67 I just a bigger cam and a couple other goodies.
Race gas motor I beilieve with 12.5 to one correct?
I'm almost positive I run an ngk I'll get you the part number when I run to the shop later. I should have both part numbers for the na and nitrous plugs I run
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Built Tuff with your stuff ;)
Posts: 5231 | From: bay area | Registered: Nov 2001
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warhorse58gt
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Member # 7702
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what is the part number of the plugs you got now? and how do they foul out? like when it idles or when your driveing it at low speeds?
when you foul them is it oil or fuel? and what is your plug gap?
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WOLFPACK RACING
With guns, we are 'citizens'. Without them, we are 'subjects'.
83gt 354ci sbf 9.40 @ 143
77 cobra 2 171ci 97hp of pure fury!
Posts: 4200 | From: 209 | Registered: Jun 2007
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SIC9250
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Member # 8216
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well honestly idk if they foul out but they are black as hell and are saturated with fuel and this is just from reving it and idleing havent drivin it yet...ill pull the plugs tonight and get back to ya..
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Coyote_Mach1
Posts: 6959 | From: in the drivers seat. | Registered: Feb 2008
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SIC9250
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Member # 8216
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btw it is an n/a car...for now ![[Smile]](smile.gif)
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Coyote_Mach1
Posts: 6959 | From: in the drivers seat. | Registered: Feb 2008
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1SLOWLX
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Member # 558
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I forgot to check my damn plug boxes. Are you shutting it done right after ideling? Or clearing it out first IE holding it at like 3k for 10-15 seconds and shutting it off during the rev?. Is it hard starting?
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Built Tuff with your stuff ;)
Posts: 5231 | From: bay area | Registered: Nov 2001
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SLOWSN95
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Member # 8269
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champion plugs are only good for lawnmowers ![[Razz]](tongue.gif)
stick with some NGKs
the cheap $1.99 plugs can outlast pretty much any other plug out there
and if you hear that imports should stick with NGK and Fords should stick with Motorcraft...thats just a buncha ![[BS flag]](graemlins/bs_flag.gif)
but thats just my opinion ![[Wink]](wink.gif)
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94' GT
347 Stroker
MM Suspended
2003 SB SVT Lightning
Pullied and Lowered
89'Hatch-SOLD
Posts: 2214 | From: 510/east bay | Registered: Mar 2008
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65mustang408
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Member # 8681
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gap it at 35 thou for a good start. usually go smaller from there for high hp motors.the smaller the gap the more intense and wont get blown out.do one change at a time and drive it to see what works best.i think u need to adjust your 4 corner idle mix screws in to lean it out.turn them all the way in one at a time until it starts to stumble and die then back it out till you get it to idle the highest.then do the next one.also make sure you throttle set screw isnt turned in to far and the butterflies are open to much and you arnt running on the primaries and not the idle circuit. fuckin carbs!!
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fast and cool shit
Posts: 947 | From: sacramento | Registered: Oct 2008
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