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Old 05-17-2010, 07:39 PM   #31
matt1993supraTT
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no your right the bad ring was'nt limiting the rpms we did find a BROKE rear cam sensor and i mean bad broke like it was two piece's mybe this was the cause
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Old 05-18-2010, 02:37 AM   #32
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Originally Posted by matt1993supraTT View Post
no your right the bad ring was'nt limiting the rpms we did find a BROKE rear cam sensor and i mean bad broke like it was two piece's mybe this was the cause
Strange - that should have been throwing an ecu code...
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Old 05-18-2010, 07:22 PM   #33
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well get this after i preassure tested it & compression tested it put it all back together to put i back on the trailer to take it vback to my house she fired up ran like shit but no check engine light!??
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Old 05-18-2010, 11:46 PM   #34
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well get this after i preassure tested it & compression tested it put it all back together to put i back on the trailer to take it vback to my house she fired up ran like shit but no check engine light!??
Sorry, I mean there should have been an ecu code *before* you fixed the cam timing sensor...
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Old 05-19-2010, 08:14 PM   #35
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Sorry, I mean there should have been an ecu code *before* you fixed the cam timing sensor...

no no we havent fixed it yet
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Old 05-19-2010, 09:33 PM   #36
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no no we havent fixed it yet
So let me get this straight: Your rear cam sensor is broken in two pieces, and you have no check-engine light??? Are you still running the oem ecu, or have you switched to the AEM?
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Old 05-20-2010, 08:27 PM   #37
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still running the stock ECU man this car has got the bugs or somthin, as of right now the block being bored .20 over the roating assemble is getting balanced (wisco pistons eagle rods AC bearings) so if i see a sensor that even looks like it might be messed up then ill replace it this thing has been broke to long!
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Old 05-20-2010, 08:46 PM   #38
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still running the stock ECU man this car has got the bugs or somthin, as of right now the block being bored .20 over the roating assemble is getting balanced (wisco pistons eagle rods AC bearings) so if i see a sensor that even looks like it might be messed up then ill replace it this thing has been broke to long!
I don't know if I'm not getting the complete story here or what, but the approach to finding the problem doesn't make a lot of sense. From your description it seems like the answer to an rpm limit problem was to bore the block and rebuild the bottom end. In truth, even a piston with a very low compression/leakdown won't limit your rpm. What were the compression/leakdown numbers before you all decided to tear down the shortblock? And again, was the ecu showing any codes?

At the very least, I'd ask that you don't tell anyone that we said you should rebuild the engine because of an rpm problem - because we didn't! Thanks in advance...
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NB: Please consider posting any help requests in a new thread instead of asking me for help privately. About 99.9+% of the time, private help requests end up covering great information that could be very valuable to other forum members. If you have a good reason for needing the help request to be private, I'll consider it. If not, then why not give everyone else the opportunity to pitch in too, and/or learn from the information? Remember, there's no such thing as a dumb question. We're all here to help within this family of Supra owners.

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Old 05-21-2010, 01:27 PM   #39
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Dude I am telling you the whole story. The only reason we pulled the motor because of was wore out but for all we know it still has the rpm limiting problem
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Old 05-21-2010, 02:08 PM   #40
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Dude I am telling you the whole story. The only reason we pulled the motor because of was wore out but for all we know it still has the rpm limiting problem
How do you know it was worn out? Was a leakdown test done? Again, was it smoking (whitish-blue) from the exhaust?
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Displacement is no replacement for boost.
Life begins at 30psi.


NB: Please consider posting any help requests in a new thread instead of asking me for help privately. About 99.9+% of the time, private help requests end up covering great information that could be very valuable to other forum members. If you have a good reason for needing the help request to be private, I'll consider it. If not, then why not give everyone else the opportunity to pitch in too, and/or learn from the information? Remember, there's no such thing as a dumb question. We're all here to help within this family of Supra owners.

Last edited by pwpanas; 05-21-2010 at 04:19 PM.
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