Spark plugs for boost - Pontiac G8 Forum: G8 Forums - G8Board.com
 
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post #1 of 3 (permalink) Old 03-18-2017, 04:07 AM Thread Starter
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Spark plugs for boost

I'm at 9psi
93 octane.
Stock heads stock bottom end.

Seems like tr6, tr7ix, tr6ix is the go to.

What are guys running ?

Tvs1900 and all badges removed so people really call it a GTO
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post #2 of 3 (permalink) Old 03-18-2017, 10:00 PM
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Quote:
Originally Posted by maxspeed96ct View Post
I'm at 9psi
93 octane.
Stock heads stock bottom end.

Seems like tr6, tr7ix, tr6ix is the go to.

What are guys running ?
Br7ef then switched to tr7ix. Haven't felt much of differenc.. The copper Br7ef's are 1/2 to 1/4 the price of tr7's so they can be changed more often(10k miles)

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Last edited by G8eraid; 03-18-2017 at 10:38 PM.
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post #3 of 3 (permalink) Old 03-18-2017, 11:06 PM
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Location: East Bay, Ca
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I'm using the Br7efs. If you aren't daily driving the car I don't see the reason a reason to spend more on the tr7ix imo.


LSA, Pat G DOD cam, RCR TB, 4.5IN Intake/MAF,
CNC LS3 Heads, OBX,
H&Rs, Konis, BMR, Brembos, Slotted/Drilled Rotors
3.27 Gears, 2600 Stall, ZL1 pump, Ice tank
Tuned By Pat G and Luis at RPM Speed Center

Bolt ons Street tires
12.649@107.817 60ft 1.96 Da 700ft

Heads/Cam pre stall Street tires
12.16@114.2 60ft 1.75 Da -200

After Stall
11.82@115.9 60ft 1.66 DA 400ft

Zex 125shot
11.48@124 60ft 1.83 DA 2000ft
second gear pull
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