Well. I have been wanting to see the true potential of a BNR turbo using race gas or e85.

EVerything is ready and installed. It has even been boost leak tested. Im trying to get everything i need ready for the orlando bound tunning session.

Which spark plugs should I use on a never opened s5 j-spec engine which will be seeing around 15-20psi.


BR9eq all around good enough or do you guys have some better suggestions?

 

I would def use 10's instead of 9 to start with if you plan to run those boost levels.

I found B9EGV's to work better than the stock plugs, but after using the Greddy racing plugs i will never go back..

Gives such a strong spark that it just will not misfire, even with A/F ratios of 10 (during tuning)

Ps.. i would recommend an HKS twinpower too

 

I plan on running factory ignition with no ignition amplifiers.

Could a combo of bur9eq leading and r7420-10 trailing work?