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Old

Sep 20, 2009 | 01:46 PM

#1

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TECH Junkie

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Another Spark Plug Question

Ok i would like to hear your opinions on Autolites AR94 racing plug. My mods are in sig and i also would like to know gap recommendations for this plug. I have been previously told to run the gap anywhere between .035 to .038. Does that sound right? Also what NGK plug should i run if i don't go with the AR94s? Let me know what you guys think.

Old

Sep 20, 2009 | 03:43 PM

#2

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From: O-town FL

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What size shot are you running? Ive always heard TR6 is the way to go for a 75-150. Got all 8 of mine for like 20 bones

Old

Sep 20, 2009 | 08:14 PM

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From: GB

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stay away from autolites.

ngk br7ef

Old

Sep 21, 2009 | 01:38 PM

#4

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if the car was tuned with a certain plug shouldn't i continue to run that plug or is the
br7ef equivalent to the autolite ar94 as far as heat range goes?

Old

Sep 21, 2009 | 01:45 PM

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Quote:

Originally Posted by MYSTIC-1SC

if the car was tuned with a certain plug shouldn't i continue to run that plug or is the
br7ef equivalent to the autolite ar94 as far as heat range goes?

No, you can change it will be fine.

AR's are very hard if you hurt a plug using autolites your motor is DONE.
Ngks are much more forgiving.

I think the ar94's migh tbe slightly colder than 7's.

Old

Sep 21, 2009 | 01:54 PM

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TECH Junkie

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so try a tr7 then or stick to a tr6 since im only on 125 shot.

Old

Sep 21, 2009 | 02:08 PM

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Replied to your PM.

Br7 is what I would do.

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Old

Sep 21, 2009 | 04:18 PM

#8

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TECH Junkie

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ok well i ordered a set of the br7ef plugs. What do guys recommend i gap them to. My mods are in the sig and i don't spray on it a whole lot, and its only 125shot.

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Old

Sep 21, 2009 | 04:32 PM

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where can ur buy the br7's?

Old

Sep 21, 2009 | 04:39 PM

#10

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TECH Junkie

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i went to my local auto tire and parts and had them order me a set which should be here with a couple days

Old

Mar 10, 2010 | 10:02 PM

#11

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TECH Junkie

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so guys refresh my memory what are you guys recommending my gap be for my ms3 car with full bolt ons and hsw wet plate kit pilled for 125 to 150shot.

Old

Mar 11, 2010 | 09:34 AM

#12

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From: Ft. Wayne, IN

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gap them to .32

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