Kittamaru Posted April 17, 2010 Share Posted April 17, 2010 I've seen so many different numbers for this that I am now highly confused... my Haynes manual says .052 but I've seen everything from .035 to .060... NGK iridium plugs, just want to know what it SHOULD be, lol Link to comment Share on other sites More sharing options...
MY1PATH Posted April 17, 2010 Share Posted April 17, 2010 well first off .060 is freakin huge! even .050 is a little big for many vehicles. The spec is on here but its hard to find so here you go. MPFI gap .032" (anywhere in .030-.036 will work) TBI gap .044" (anywhere in .042- .047 will work) Link to comment Share on other sites More sharing options...
Precise1 Posted April 17, 2010 Share Posted April 17, 2010 You are not installing OEM plugs, are you?? Or Haynes plugs?? You have top quality spark plugs, so go with what the manufacturer recommends. It is their job, after all... .032" http://www.ngksparkplugs.com/part_finder/car_truck_suv/results.asp B Link to comment Share on other sites More sharing options...
Kittamaru Posted April 17, 2010 Author Share Posted April 17, 2010 Thanks a lot Lol, re-reading what I put, I realize I said my haynes manual says .052, not .032... doh. No, I've just seen so many different numbers thrown about that I wasn't certain which was right I have them gapped to .035 atm, so I'll close them up a tad Link to comment Share on other sites More sharing options...
Precise1 Posted April 17, 2010 Share Posted April 17, 2010 They are fine, .003" won't make any real difference. All you risk doing is damaging the iridium tips. IIRC you are only supposed to check gap with a brass wire set, not steel... B Link to comment Share on other sites More sharing options...
Kittamaru Posted April 18, 2010 Author Share Posted April 18, 2010 *nods* That much I knew - I must say, brass gap checkers are kinda hard to find around here... and the one I did find is kinda... flimsy. Link to comment Share on other sites More sharing options...
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