PLUGS FOULING - Team Camaro Tech
Electrical & Wiring Troubleshooting electrical.

 
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post #1 of 6 (permalink) Old May 13th, 01, 01:46 PM Thread Starter
 
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I HAVE A '69 CAMARO WITH DZ MOTOR (302) IT'S BEEN RESTORED, INCLUDING A BLUEPRINT, SOLID LIFTER CAM. EVERYTHING IS STOCK, EXCEPT FOR HEADERS. THE HOLLEY CARB (4150) HAD #70 MAIN JETS WHEN I PURCHASED THE CAR. WITH THESE JETS I HAD NO HESITATION BUT, PLUS FOULED OUT IN ABOUT 1 & 1/2 WEEKS. I CHANGED TO #68 JETS, WHICH IS WHAT THE SPECS CALL FOR AND NOW I GET HESITATION AT LOW RPM BUT, THE PLUGS LAST TWICE AS LONG. I ADJUSTED THE TIMING AND THE HESITATION SEEMED TO TEMPORARILY DISAPPEAR. IS THERE A PLATINUM PLUG AVAILABLE (AC R43)? ANY OTHER THOUGHTS?
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post #2 of 6 (permalink) Old May 13th, 01, 04:13 PM
 
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i wouldnt think you would need platinum plugs,is the carb. adj. correctly?,are you running a points dist,if so are points gapped and dwell set?if not what type ign. are you using?is the motor breathing ok(air filter)?make sure batt.has full charge and your ign.system is getting full juice it really sounds like your spark is not hot enogh to keep plugs clean.
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post #3 of 6 (permalink) Old May 13th, 01, 06:35 PM
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Dale
 
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I HATE,yes HATE!!!!,platinum spark plugs(they are hard to read)they willnot burn off deposits.The only reason to use them is if the plugs are difficult to get to...LT-1,ford v-10 van,anything with a coil per cylinder.

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68 z28 ,68 rs 327 ,73 454 vette, 2 goofy kids
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post #4 of 6 (permalink) Old May 14th, 01, 02:56 AM
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Ignition, in my case a Crane HI-6 cured all of my plug fouling problems. BTW I run 68-72 jets in my 4150 with great results,

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69 rallye green X77 Z/28,1967 SS 396 Conv. 1974 c-10 454 swb
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post #5 of 6 (permalink) Old May 14th, 01, 03:45 PM
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Have you checked your float levels? Also power valve may be wrong and opening at idle.
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post #6 of 6 (permalink) Old May 15th, 01, 06:10 AM
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Stay away from Platinum plugs.

Change squirter size from 25 to a larger size 30 to ?

As ZZ said, check power valve, set total timing to 32-36 deg, init 8-10,
and drive it like ya stole it!!!

Everett 68/350/PG/11.90/115mph
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