cdr
Well-Known Member
if you have a Holley type carb without powevalve you just might need to change them more frequent.
Spark Plug Info for Drag Race Mopars ?
- Thread starter Mike Gaines
- Start date
cudatom
Well-Known Member
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.
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
Member
I use NGK V power plugs @ 35 Gap 110 sunoco fuel 7al msd drag race ign box
they have lasted awhile now.
they have lasted awhile now.
Bigal75
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NGK BR8ES. 0.040 Gap.
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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
Well-Known Member
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
Well-Known Member
Unless you dealing with big domes it's generally unnessary.
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