Cheap turbo kit for SC300???
#20
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dave my car runs at 6psi and feels like its making around 280rwhp and the 'race-dyno' would assume the same
#22
Lexus Test Driver
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Is Scott running on 4 cylinders? 300rwhp on an SP63 with all that stuff? I'd expect warp speed out of his ride when its dialed in. He should be able to meet Angel's numbers. I know he's got some unresolve issues before he can really release the hounds.
#23
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Originally posted by SC300T
Is Scott running on 4 cylinders? 300rwhp on an SP63 with all that stuff? I'd expect warp speed out of his ride when its dialed in. He should be able to meet Angel's numbers. I know he's got some unresolve issues before he can really release the hounds.
Is Scott running on 4 cylinders? 300rwhp on an SP63 with all that stuff? I'd expect warp speed out of his ride when its dialed in. He should be able to meet Angel's numbers. I know he's got some unresolve issues before he can really release the hounds.
I was disapppointed in the numbers when I went to the dyno. A compression check verified the problem.
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-scott
Last edited by motorheaddown; 10-10-03 at 01:15 AM.
#26
Lexus Test Driver
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Yes, he's got a W/B.
Scott, I'd be very surprised if you toasted something on the bottom end. I had low compression on 4 and 5, and it turned out that a valve job tightened it right up. Perhaps you toasted a few valve seats and just need the top redone. A leakdown would confirm that. IMHO unless you do something really bad, the rings, piston / bottom end are the last to go, and typically would yield other obvious problems other than simple low compression, such as heavy smoke, noise, etc. Is the compression REALLY low or just around 130ish? As I said before, a weak link on this motor under abuse is the valves and seats--- they just can't handle the heat. Perhaps Ferrea valves would help in this area. Just thinking aloud here.
Scott, I'd be very surprised if you toasted something on the bottom end. I had low compression on 4 and 5, and it turned out that a valve job tightened it right up. Perhaps you toasted a few valve seats and just need the top redone. A leakdown would confirm that. IMHO unless you do something really bad, the rings, piston / bottom end are the last to go, and typically would yield other obvious problems other than simple low compression, such as heavy smoke, noise, etc. Is the compression REALLY low or just around 130ish? As I said before, a weak link on this motor under abuse is the valves and seats--- they just can't handle the heat. Perhaps Ferrea valves would help in this area. Just thinking aloud here.
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