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#1 |
The Mighty Blue Bottle
Join Date: Mar 2001
Location: Canada Sk
Posts: 134
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too much heat in my HEI
hi all, i just checked the cap and found that the carbon brush is melted into the cap, i am using a holley annihilator system with a laser shot pro strip coil
changed the cap only to have the same thing happen again i have never seen this happen before and have no clue to why this takes place help anyone?
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1967 Chevy C 10 Custom 350 780 cfm 467 lift 278 dur ported&pollished 2400 stall 350TH B&M shifter 175 shot of nitrious |
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#2 |
Account Suspended
Join Date: May 2002
Location: Olathe, Kansas
Posts: 929
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What type of cap are you using? If it is just a stock cap, they use a carbonpile center electrode. Try finding one that has the solid brass center and brass terminals, it should last longer.
What gap do you have your plugs at? If your trying to fire too much voltage through the cap, due to high resistance in the wires or large plug gap, you'll have this problem. |
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#3 |
Senior Member
![]() Join Date: Jul 2000
Location: North Texas
Posts: 3,501
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Use an MSD cap and rotor and some name-brand spiral-wound plug wires. If the MSD components fail, you have problems elsewhere. Is the coil designed for use with the Holley ignition system?
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Mike 1969 C10 LWB -- owned for 35 years. 350/TH350, 3.08 posi, 1st Gen Vintage Air, AAW wiring harness, 5-lug conversion, 1985 spindles and brakes. 1982 C10 SWB -- sold 1981 C10 Silverado LWB -- sold, but wish I still had it! 1969 C10 (not the current one) that I bought in the early 1980s. Paid $1200; sold for $1500 a few years later. Just a hint at the appreciation that was coming. Retired as a factory automation products salesman. Worked part-time over the years for an engine builder and a classic car repair shop. Member here for 24 years! This is the very first car/truck Internet forum I joined. I still used a dial-up modem back then! |
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#4 |
Registered User
Join Date: Sep 2002
Location: Austin,Tx
Posts: 327
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yea i had that happen to me once. I ended up buying a cap and rotor made by Blue Streak. and yes they are blue, LOL I believe it did have brass contacts also.
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'68 Fleet LWB orig 307 .030 over GM Hei/w Accel Super coil orig. stock TH 400. _______________________ “What we do for ourselves dies with us. What we do for others and the world remains and is immortal.” Albert Pine English author d.1851 |
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#5 |
The Mighty Blue Bottle
Join Date: Mar 2001
Location: Canada Sk
Posts: 134
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that is the holley coil recomended and thanks to all for the help, will let you know how to fix or why this happens whem i find out or fix it
__________________
1967 Chevy C 10 Custom 350 780 cfm 467 lift 278 dur ported&pollished 2400 stall 350TH B&M shifter 175 shot of nitrious |
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