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Topic: plugs

in Forum: C3 Engines

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plugs

Posted: 2/6/09 4:37am Message 1 of 11
mikeee
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Oviedo, FL - USA
Joined: 9/8/2006
Posts: 267
Vette(s): 1977 t-top
Any rcomendations for a spark plug. Vortec GM iron heads,mild Comp Cam, stock q jet carb,automatic(agh). Plugs must be able to do 190 MPH,HA!


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plugs

Posted: 2/6/09 9:25am Message 2 of 11
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corvette440hp
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Most of the people like to stay with the AC plugs...unfortunately they start breaking up at around 180 mph..........


corvette440hp

plugs

Posted: 2/6/09 8:36pm Message 3 of 11
Ron 78
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BINGHAMTON, NY - USA
Joined: 7/19/2003
Posts: 3808
Vette(s): ......
Always AC's for me


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plugs

Posted: 2/7/09 8:12am Message 4 of 11
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lukesvette
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HOWELL, NJ - USA
Joined: 5/18/2004
Posts: 6812
Vette(s): 1979, Targa Blue (72 Color), Pace Car rear spoiler, L88 hood, Dark blue factory interior, 525HP 406, HD 700R4, 370 gears,Steeroids, composite rear spring, TT IIs wrapped in T/A Radials.
AC or Bosch is what I've used.


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plugs

Posted: 2/7/09 7:30pm Message 5 of 11
acplus
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Canada
Joined: 6/23/2008
Posts: 558
Vette(s): 1972, 1980
A/C... great plugs


plugs

Posted: 2/8/09 12:46am Message 6 of 11
rearn2go72
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Bladenboro, NC - USA
Joined: 1/22/2006
Posts: 1058
Vette(s): 1972 conv., sunfire yellow, blk interior, blk vinyl and convertible top. Off frame restoration with American Speed 383 stroker engine producing 500hp plus a 200hp NOS system. MSD ignition. Hooker super competition headers with chambered exhaust.
I agree that AC is a good plug but I prefer the Bosh platinum plus 4. They seem to last longer and burn cleaner.


plugs

Posted: 2/8/09 6:18am Message 7 of 11
mikeee
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Oviedo, FL - USA
Joined: 9/8/2006
Posts: 267
Vette(s): 1977 t-top
My mistake in the question.I was looking for a # regardless of brand name.


plugs

Posted: 2/8/09 9:50am Message 8 of 11
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corvette440hp
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Edelbrock recommends on their Vortec aluminum heads Champion RC-12YC plugs.........I'll try to find the equivalent AC #


corvette440hp

plugs

Posted: 2/8/09 10:00am Message 9 of 11
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corvette440hp
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[QUOTE=corvette440hp]Edelbrock recommends on their Vortec aluminum heads Champion RC-12YC plugs.........I'll try to find the equivalent AC #[/QUOTE] I actually cross referenced that to use a Denso Iridium plug (1Q16), with my E-Tec 170 heads.


corvette440hp

plugs

Posted: 2/8/09 10:35am Message 10 of 11
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corvette440hp
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Gilbert Chevrolet (old Sallee) recommends the AC R44LTS plugs.  


corvette440hp

in Forum: C3 Engines


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