Spark Plug References

Spark Plug references.
NGK BKR6ES *STOCK heat range* <-- STOCK Plug

NGK BKR6E "V-Power" *STOCK heat range*

NGK BKR6EGP Platinum Plug *STOCK heat range*
NGK PFR6T-10G "Laser" Platinum *STOCK heat range*

NGK BKR6EIX Iridium *STOCK heat range*


Autolite 3922 Copper Plug *One Range Colder*

NGK BK7RE Copper Plug *One Range Colder*

NGK BKR7E Iridium Plug *One Range Colder*
NGK BKR8E Iridium Plug *Two Ranges Colder*
NGK BKR9E Iridium Plug *Three Ranges Colder*

Denso Iridium IK24 *Two Ranges Colder*
Denso Iridium IK27 *Three Ranges Colder*


Stock Gap is 0.45"
PSi-Fi Pulley Kit Recommendation gap is 0.28"
Intense-Racing GM-MAF-T/42.5lbs Injectors/2.8" Pulley Gap recommendations is 0.45"
South Florida Pulley Headquarters suggested NGK BK7RE gap is 0.35"

For those of you running 2.8" or below. TWO RANGES COLDER IS RECOMMENDED.

Info Source

Once your in the 20's for PSI then you should be gapping down between .030 and .032" with 2 steps cooler plugs. This will make a big difference in reducing engine knock and misfires.

I will probably be getting new spark plugs in the very near future, i'm assuming the plugs listed here are what i should be looking for?