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Old 02-09-2005, 14:31   #1 (permalink)
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Spark Plugs

What brand and heat range plugs does everyone use. And what type motor.
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Old 02-09-2005, 14:43   #2 (permalink)
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Re: Spark Plugs

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Originally Posted by crochunter
What brand and heat range plugs does everyone use. And what type motor.
I use BCP5ES's on the street as they aren't as important on the street due to it not being loaded up.

I use BCP6ES's on the dyno and track. Stops a slight run on issue I have on occasion. Also makes a few extra kw.

Thats on a 351 with 11.5:1 comp and alloy heads.

Brenden
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Old 02-09-2005, 19:54   #3 (permalink)
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Re: Spark Plugs

I've found NGK to be better than Bosch and Champion.

Mines an iron headed clevo and I use NGK BP7FS.

WRT to iron headed clevo's - 5FS are best for smog/stock motors, 6FS for pre-pollution motors and those warmed over a bit and 7FS if it has a fair bit of work, higher compression etc and you are doing mostly highway, circuit or drag use.
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Old 02-09-2005, 20:09   #4 (permalink)
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Re: Spark Plugs

NGK, BCP6ES-11. Alloy heads, 357 clevo.
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Old 02-09-2005, 20:10   #5 (permalink)
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Re: Spark Plugs

Brendan a BCP6ES is a nissan plug. Why you use that. Thought you had a clevo.
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Old 02-09-2005, 20:22   #6 (permalink)
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Re: Spark Plugs

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Originally Posted by crochunter
Brendan a BCP6ES is a nissan plug. Why you use that. Thought you had a clevo.
Alloy heads dude.... go the 300ZX plug....
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Old 02-09-2005, 20:35   #7 (permalink)
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Re: Spark Plugs

Putting a nissan plug in a clevo what will they think of next.
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Old 02-09-2005, 20:37   #8 (permalink)
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Re: Spark Plugs

Quote:
Originally Posted by crochunter
Putting a nissan plug in a clevo what will they think of next.
the reason for it is the alloy heads don't have the plug located where cast irons heads do. The plug is located in the middle of the valves not right up the back like cast iron heads. It gives a better burn supposedly. Due to the re-positioning, a stock clevo plug is about 1/4" short of seeing the combustion chamber.

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Old 02-09-2005, 22:17   #9 (permalink)
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Re: Spark Plugs

Yeah i know brendan just having a lend of you.
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Old 02-09-2005, 22:23   #10 (permalink)
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Re: Spark Plugs

BP6ES NGKs. Working well so far.
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