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Car: 93 Trans Am, 350ci LT1, 6 speed manual Oil: M1 SS 10w-30 Under hard acceleration (WOT in either 1st or 2nd) the oil pressure in my car will drop from ~60psi down to about 45 until I let off. Not terribly low but I don't think its right either. The strange thing is I can rev the car in...

A previous analysis of this car can be found here: http://theoildrop.server101.com/ubb/ultimatebb.php?ubb=get_topic;f=3;t=000284#000000 Any comments? I am slightly concerned with the lead as its gone up a bit since my last analysis. The TBN also looks pretty low? But in reality I did beat...

My mothers car is a 98 Chevy Cavalier, w/4 speed automatic. The manual says the tranny fluid is good for the life of the car and never needs to be changed . There isnt even a tranny dipstick... Now the problem is every now and then the tranny acts like its having a problem shifting under light...

Anyone else bleed their brakes this way? I just attach a clear piece of hose to the bleeder screw, open it ~1/2 a turn and gravity pushes the fluid out on its own, no pumping needed. Once all the bubbles are out I close the valve and I'm done. Just wondering if there is anything wrong with this...

Dyson Analysis Oil Brand/Weight : M1 SS 10w-30 Oil Filter: AC Delco PF35 Type Equipment : 93 Pontiac Firebird/Trans Am, 5.7L V8 LT1 motor, 6 speed manual tranny Miles on oil : 5300 Total Mileage : 163377 Notes: Milage is about ~50/50 city/hwy. Car is nearly always driven for at least 20min so...

http://www.worldisround.com/articles/12533/index.html A little background info: The reason this came about is because its a PITA to change the fuel pump on a F-body. The entire rear axle has to come out along with the exhaust system before you can drop the tank. With most of these cars getting...

Hi all, The car is a 93 Pontiac Trans Am, 7.5" 10 bolt rear, 3.42 gears, Auburn posi. The manual calls for 80w90 GL5 with a bottle of GM Limited Slip additive. Normally I've been running Valvoline 80w90 with the GM additive. However I've been having constant problems with leaking from the...

Does your oil seen to get darker after ~1000miles? Like from the normal amber color to a dark brown? I've run M1 10w30 80%-90% of the time on my past 2 cars and I always noticed it would start to get darker after I put 1000-1200 miles on the oil. My father also runs the same oil in his truck...

Hi all, I drive a 93 Trans Am (w/LT1 motor) and I'm approaching my next oil change at 158,000miles. I've owned the car for about 2 years now and until recently I always used Mobil 1 10w30 since it was supposed to be the best. Then I hear the new SuperSyn formula isnt as good as the old stuff so...