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Old 03-25-2020, 07:42 PM   #1
LS3_SPEED6
 
Drives: SS
Join Date: Apr 2019
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Exclamation Spark Plugs for Procharger Low Boost: TR6 vs BR7EF

The time is come in my build to put in spark plugs. There seems to be a huge debate. From what I have seen, most seem to run either TR6 or BR7EF. My car has headers, P1SC-1, only setup for around 7-8lbs. Fuel includes 93 and e85, and in between due to flex fuel. Anyone with similar setups running either? What did you gap them to? The car is more of a summer daily with cruising and highway fun. I do see stop and go frequently. Thanks.
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Old 03-26-2020, 02:13 AM   #2
eLeSthree

 
Drives: 2011 Camaro SS 6sp
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TR6. The br7ef has a non projected tip. I found them to drive horribly. Plus you dont need a 7 heat range plug for 600-650whp.

Tr6 gapped at 35
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Old 03-26-2020, 07:56 AM   #3
racesloth
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TR6IX on my YSi at 8lbs work fantastic and idle extremely well. Gen consensus, is TR6 up to approx 10lbs.
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