I opened my plugs up to .055 when I installed my MSD 6AL box in my 350 and works great. This is what the MSD website recommended. Have stock HEI distributor with MSD cap and Super Accell coil. Have had no issues,so far. Ted
[EMAIL PROTECTED] wrote: Hi wondering if it is true, i was told to open my spark plug gap to .050 (fifty thousandths) when using a MSD unit thanks Harlan ************** Start the year off right. Easy ways to stay in shape. http://body.aol.com/fitness/winter-exercise?NCID=aolcmp00300000002489 --------------------------------- Be a better friend, newshound, and know-it-all with Yahoo! Mobile. Try it now.