Spark plug heat range question
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Spark plug heat range question
I have an oval track race car.....an 82.....and i was wondering which heat range would be best for me as i stay up in the upper RPM range.
BR9EQ14 or BR8EQ14 or BR7EQ14
either 7, 8, or 9 heat range
Thanks
BR9EQ14 or BR8EQ14 or BR7EQ14
either 7, 8, or 9 heat range
Thanks
#3
Have RX-7, will restore
iTrader: (91)
if you are consistantly staying at higher rpm's then you would need to gowith a colder type of plug. however, you need to bear in mind that a colder type of plug will foul eaiser and will sometimes make it hard to start. a BR9EQ-14 from a gsl-se will work. however, i would personally stay with the stock plug, the BR8EQ-14. they really work fine for almost everything. i personally use only the BR8EQ-14's in my 12A's and the 9EQ's in my se. basically, if you want a racing or cold type of plug, you may have a few problems with starting and maybe flooding.
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