Re: 496 Mag HO Spark Plug Gap
 

here is the a link to sparkplug.com the price ranges from $2 -$9 when based on Automotive vs Marine


http://www.sparkplugs.com/results_ap...1424225&mfid=1

Re: 496 Mag HO Spark Plug Gap
 

here you go right from the manual....careful still hot from the press


hope its of help

Re: 496 Mag HO Spark Plug Gap
 

GM says 1.5 mm which is .060....that's not a gap that's a GAP :D

..why so large>>??

Re: 496 Mag HO Spark Plug Gap
 

easy platnum plug very high voltage spark best combo!!!!!

Re: 496 Mag HO Spark Plug Gap
 

We have about 240 of the Denso 41-983 (AC number) original 496 OEM platinum plugs and we are selling them in sets of 8 for $7.00 per plug plus UPS shipping. they should be gapped to .060". If anybody is interested, call us @866-496-8181 or email to [email protected].

Ray @ Raylar

Re: 496 Mag HO Spark Plug Gap
 

i heard some of the the Denso's have a problem with the tips breaking off ,
has anyone else heard this?

Re: 496 Mag HO Spark Plug Gap
 

I was out over the weekend...motor was surging...pulled a plug and it was fouled...so we changed them all...2 had very bent tips..heat??

...all Densos.. :eek:

They need seasonal replacement posisibly

Re: 496 Mag HO Spark Plug Gap
 

Denso's SUCK plain and simple,,, after many years of racing and never popping a plug I went cheap and bought a few Denso's first lap out on the track in practice popped one plug, second lap on the track popped the second plug. I wouldn't use them in my lawn mower !! NGK all the way.