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Topic Review (Newest First)
08-13-2010 09:47 PM
pepi Sure why not MSD will handle that just fine .
08-13-2010 09:28 PM
FastOrange i have them gapped at .040 at the moment, Just leave them?
08-13-2010 06:34 PM
pepi I like .035 myself. MSD, mech pro billet,Auto lite R25, 10.5, radical cam, 383.
08-13-2010 04:11 PM
bigdog7373 I'm just going by what the service manuals say.
08-13-2010 04:05 PM
ericnova72 .060" is mostly an emissions spec, performance specs are between .025" and .045". .040-.045" would be appropriate in your case. Running an extremely large spec like .060" is just hard on the secondary ignition system parts - the cap, rotor, rotor button, coil, plug wires as it raises the resistance at the plug a great deal with no real positive effect on engine performance.
08-13-2010 03:48 PM
FastOrange wow, i was running .040 before, thanks!
08-13-2010 03:47 PM
bigdog7373 0.060" Yes sir.
08-13-2010 03:41 PM
What plug gap?

Have a 350 Chevy with the following specs, need to know what to set plug gap to.

-1988 350
-Vortec Heads with new Champion Plugs (Made sure they are for vortec)
-MSD StreetFire HEI Unit, Upgraded with Advance curve kit, MSD Green Module (Not the new red ones), MSD 8225 Coil, Brass Terminal Cap/Rotor
-Taylor 8mm Spiro Pro's

What should i be setting my gap to?


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