spark plugs for 466 with 14 to 1 comp
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spark plugs for 466 with 14 to 1 comp
Hi guys I am looking for a spark plug heat range for my 466 14 to 1 drag car. It has iron cobra jet heads and flat tappet cam and I am looking for an NGK plug heat range number. I use 110 octane in this and the plugs in it now are very old autolite's. I just got it running for this year and it seems to have a little miss so gotta start somewhere.
57ford custom- Posts : 107
Join date : 2017-04-28
Re: spark plugs for 466 with 14 to 1 comp
57ford custom wrote:Hi guys I am looking for a spark plug heat range for my 466 14 to 1 drag car. It has iron cobra jet heads and flat tappet cam and I am looking for an NGK plug heat range number. I use 110 octane in this and the plugs in it now are very old autolite's. I just got it running for this year and it seems to have a little miss so gotta start somewhere.
IF it is kept below 180 degrees, A 7 or 8 depending upon if it is driving or racing.
Re: spark plugs for 466 with 14 to 1 comp
The 8 is colder on NGK plugs. The colder the better with 14-1 on 110 octane.
gt350hr- Posts : 662
Join date : 2014-08-20
Location : Anaheim , CA
Re: spark plugs for 466 with 14 to 1 comp
Thank you I will order a set tomorrow and start with number 8's
57ford custom- Posts : 107
Join date : 2017-04-28
Re: spark plugs for 466 with 14 to 1 comp
I'm guessing if his operating temp gets above 180 he would need an even colder heat range?
460bronco- Posts : 364
Join date : 2010-04-07
Age : 38
Location : Meridian, Ms
Now where can I find a set of these
My local Autozone is no help so far.
57ford custom- Posts : 107
Join date : 2017-04-28
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