Spark Plug Info for Drag Race Mopars ?

[cdr]

if you have a Holley type carb without powevalve you just might need to change them more frequent.

 

[cudatom]

Mike I ran NGK 8 and Autolight AR3911 on my Indy SR's. I had good luck w/both but the NGK read better. I gap my plugs at .032-.035 and run a MSD 6AL.

I ran my NGK's for 4 seasons. I would still be running them but an running a different car and combo now and have Edelbrock heads.

 

[bluesman41]

I use NGK V power plugs @ 35 Gap 110 sunoco fuel 7al msd drag race ign box
they have lasted awhile now.

 

[Bigal75]

NGK BR8ES. 0.040 Gap.

 

[khryslerkid]

I haven't heard anyone mention indexing their plugs. Is it just a given to do this or are most useing the unprotected plug?

 

[68 HEMI GTS]

I put 6's in my 512 @ 10.5:1. Was running the rv12yc but they looked a little hot. Bkr6e (6962) is the ngk number. They are 1 range down from the 12's and are still projected. Tried 7's and they were too cold. This is on my Indy heads.

 

[68 HEMI GTS]

I haven't heard anyone mention indexing their plugs. Is it just a given to do this or are most useing the unprotected plug?

Unless you dealing with big domes it's generally unnessary.