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Old 07-06-2008, 04:30 AM   #9
robertsws
3" Exhaust
 
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Join Date: May 2008
Location: Gaithersburg, Maryland
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when piston rings are worn it allows the compression from the cylinders past the pistons down around the crank and into the oil pan. this increases the oil pressure. a surefire sign is if you push your oil dipstick all the way in and go around and step on the gas and walk back around to the dipstick and it's pushed out by any degree. this was the problem with my 87 non-turbo that i sold. another sign is low compression in your cylinders. but that could also be just a BHG. my last post i said that if your compression is out of spec it means a engine re-buil is neccassary. I wasn't completely accurate. it could mean just a doing a BHG job. If your piston rings are worn then you must get a engine re-build.
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1991 Supra - Turbo - 5spd
60-1 upgraded turbo
Lexus AFM
3" exhaust, 4" tip
SAFC 2
550cc injectors (2 sets, venom direct fit, RC engineering)
2.5" intercooler and piping
Aluminum radiator w/dual electric fans
ARP bolts w/MHG
Full-auto turbo timer
Fidanza Flywheel & Stage 2 Clutch
spark plugs and wires.
power steering pump
cold temp start switch
engine top end rebuilt
transmission opened up and inspected at a tranny shop when the flywheel and clutch installed last week.
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