DOD_ROTARY

#1 My brother went racing in the canyons. He was pretty agressive at hitting redline at every shift. He took a breather and checked the oil level. He noticed a white film coating the dipstick. Changed the oil the next day and it looked like tiny little off-white bubbles in the oil. He thinks its water in the oil? Is that what it is? If so what's wrong?

#2 Changed the shocks to KYB AGX and the strut top bearing had grease all over it and my brother (the not so great mechanic) said the bearing was bad. (He said they were sealed bearings and if you see grease the seal is bad and its blown) He couldn't tell me what would happen if I didn't replace it. What would happen? And what does it do besides spin? Does it cause friction or reduce it? How does do its job when you turn the wheel?

#3 On the other rx7 with Auto-adjust Suspension. The top of the strut on the passenger side has oil in the bottom next to the mechanism that controls the AAS. I am guessing its bad, eh?

YearsOfDecay

#1 I hope it was your brothers car, cause that would seem to me like the start of collant getting into the oil, Whats wrong.. dunno... could've also roached the oil, or had some additive in the oil.. if you get white smoke out the pipes and bubles in the overflow tank.. you need an engine rebuild. Keep checkin the oil

#2 WTF??? How long have you had the car.. are you sure somebody before you didn't try to grease it? If it aint makin noise, wipe the grease off and be happy.

#3 Somebody correct me if i'm wrong, but the AAS adjuster is just a mechanical solenoid, there shouldn't be any oil laying around in there anyway.....

Post some pics of these bubbles in the oil, the grease on the bearing and the oil under the AAS cause #2 and #3 seem non-issues to me right now cause I'm having a hard time trying to figure out how oil got into the shock wells under the AAS actuator..

23Racer

Just a guess from this distance, but this happens quite frequently to racing RX 7's. If this was the first time you are getting bubbles in your oil and you are not loosing coolant it has to do with your brother using your car like a race car for the first time.

In sustained high rpm use, the engine oil can run back to the pan very quickly after being whipped around by the rotors. This whipping of the oil tends to aerate the oil and trap air bubbles inside the oil itself. At slower engine speeds the air has a chance to rise to the surface of the oil and escape. At high rpm, this aerated oil is quickly pulled into the oil pump again and sent through the motor. In extremely severe conditions you will see a fluctuation in oil pressure and a build up of foam in the oil filler tube.

Racing Beat sells a de-aeration plate that fits between your oilpan and the block. This plate slows down the oil and gives it a good chance to release the air. I would suggest getting one of those before you let your brother out in your car again.