>called my dad, he said that it wouldnt matter if it was just
>a quart

Is he a mechanic?

Anyway, there is nothing I can really add here. Just another vote for not mixing the weights or mixing the types of oil. As for myself, I use 5w-30 Mobil 1 full synthetic with the Mobil 1 oil filter. It ends up costing about $26 for a 6 bottle case of oil and $11 for the filter. I change every 3000 miles. Like I said, other than what the other guys told you, there isn't much more advice that I can give you.

Chris

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Full sig with mod list, timeslip and dyno chart: http://www.geocities.com/ls1z28chris/sig.htm
321.4 hp and 338.5 ft. lbs. torque to the rear wheels.
13.729 at 105.84 with a horrible 2.346 60'

The Website: http://www.geocities.com/ls1z28chris">www.geocities.com/ls1z28chris