spark plug

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01-07-2003, 06:07 PM

Semnos

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spark plug

Hi,
What kind of spark plug heat range should i be running on a boosted engine...let's say a ZC with a T-3 boosting 8 psi.

01-07-2003, 06:27 PM

turbohf

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Re:spark plug

NGK V-Power copper plugs, $1.69each...

01-07-2003, 06:35 PM

Semnos

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Re:spark plug

But what kind of heat range?
The cumbustion chamber gets hotter so I would need a spark plug with a different heat range than when I run without a turbo

01-07-2003, 06:36 PM

Semnos

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Re:spark plug

To prevent pre-ignition.

01-07-2003, 06:54 PM

turbohf

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Re:spark plug

88 CRX Si plugs stock # 1273 i believe...

01-07-2003, 09:32 PM

mr8

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Re:spark plug

I am running 2 ranges colder NGK ZFR7F-11 is the part number. the seven represents that heat range, 5 was stock and now using 7. My engine is D16Z6

01-07-2003, 10:51 PM

HMT-Admin

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Re:spark plug

I have never ran colder plugs in any of my setups..

But thats just me.

Jeff

01-08-2003, 12:41 AM

mr8

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Re:spark plug

Hmmmm.... Maybe I don't need them then, then again I guess it can't hurt. can It?

01-08-2003, 08:18 AM

Semnos

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Re:spark plug

Oh ok...Thanx for the help

01-08-2003, 01:43 PM

#10

accordepicenter

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Re:spark plug

Well if you have problems with detonation you can go colder, but just run the stock heat range and pull them every few thousand miles and check them, if theyre glazed or somthing you might have to go colder.

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