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N12 ET Pulsar GTIR swap
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101 Posts
Discussion Starter · #1 · (Edited)
Well finally got my car going off to the dyno on the weekend and am looking at buying a few sets of plugs for the tune.

What heat range plugs would be my best option?

S13/4/5 run heat range "6"
GTiR run head range "7"

… and I was looking at running an "8" heat range in my GTiR SR20 (would even run a “9” if I could, pull as much heat out of the cylinder as possible).

Has anyone ever used a colder plug like this on a GTiR motor?..... Reason being I had "8's" in my S14 SR20 and it would foul up, where as "7's" would run very clean.

FWIW, I’m running a stronger Mitsu waste spark ign setup & module (no GTiR dissy & single ign coil) and am looking at running cheap common v-grove copper plugs and changing them often.

Thanks in advance.
 

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The Boost Bear..Rawr!
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3,055 Posts
In my DE+T3/T4 car, I run BKR7E plugs. I ran BKR6E, and they fouled out. Haven't tried BKR8E yet, and don't plan to. I think BKR7E is the best all around plug for a boosted SR.

Corey
 

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N12 ET Pulsar GTIR swap
Joined
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101 Posts
Discussion Starter · #9 ·
Thanks guys, looks like "8's" are the go..... i'll try and pickup a couple of sets for my tune this weekend.

Celm - I'm running a Microtech LTX8 ECU.
 
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