The newest 100% bolt on Greddy Hybrid turbocharger!
#551
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We are on mandatory over time at work so my time to screw with any of my cars is becoming more and more scarce unfortunately. I am hoping to get down to PTP on the 16th this month to at least get the car tuned at wastegate pressure. I had talked to Jon at PTP and he said that once I get the b/c in, he can retune it for the higher pressure, and that it wasnt that hard. Im thinking my boost is fine, like Bryan said above. I still cant find anything leaking and started the car on ramps and ran my hands over all the connections of the kit, including the turbo, and I felt no air leaking. I will try Bryans suggestion of disconnecting the source and see how the wastegate reacts. My afrs are below 11.02 at wot (sensor pegged) so it will be plenty safe to handle 1 or 2 psi. Ill keep ya updated with anything I find.
#553
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Spent all day on the dyno yesterday trying to get the car dialed in. After pull 14, the turbo started making a weird noise at an idle and at low rpm. It seems to go away once it starts spooling. Any idea what it could be? Its hard to explain, kind of a mix between a squeak and a high pitched moan. Ill try and see if my video camera can pick it up. Turbo has less then 300 miles on it with about 17 wot pulls on it. 15 were yesterday. I dont wanna take this apart for the 4th time!
#554
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Spent all day on the dyno yesterday trying to get the car dialed in. After pull 14, the turbo started making a weird noise at an idle and at low rpm. It seems to go away once it starts spooling. Any idea what it could be? Its hard to explain, kind of a mix between a squeak and a high pitched moan. Ill try and see if my video camera can pick it up. Turbo has less then 300 miles on it with about 17 wot pulls on it. 15 were yesterday. I dont wanna take this apart for the 4th time!
Apex seal?
#555
1st RX8 BNR Turbo Owner..
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Spent all day on the dyno yesterday trying to get the car dialed in. After pull 14, the turbo started making a weird noise at an idle and at low rpm. It seems to go away once it starts spooling. Any idea what it could be? Its hard to explain, kind of a mix between a squeak and a high pitched moan. Ill try and see if my video camera can pick it up. Turbo has less then 300 miles on it with about 17 wot pulls on it. 15 were yesterday. I dont wanna take this apart for the 4th time!
were you able to get any decent numbers with BNR turbo?
#556
Boosted Kiwi
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Spent all day on the dyno yesterday trying to get the car dialed in. After pull 14, the turbo started making a weird noise at an idle and at low rpm. It seems to go away once it starts spooling. Any idea what it could be? Its hard to explain, kind of a mix between a squeak and a high pitched moan. Ill try and see if my video camera can pick it up. Turbo has less then 300 miles on it with about 17 wot pulls on it. 15 were yesterday. I dont wanna take this apart for the 4th time!
#557
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No, the engine runs great and the boost gauge shows 19-20kpa vacuum. Thought he blew the seals a couple times though when he was adjusting timing, she was screaming!
Its not the turbo spooling cause it mostly makes the noise at idle, and as soon as you start giving it gas. Ill try to see if it will be noticable on video, and post it up so yall can hear it. As the car sits now, it did 212whp, 185wtq at 3.5psi. Car boosted 5psi on the way home.
So far it runs like there is no problem, I mean it still spools and pulls pretty strong. I wanna try your "actuator arm" mod but if you cut the threaded part of the arm, how do you get the nut back on?
So far it runs like there is no problem, I mean it still spools and pulls pretty strong. I wanna try your "actuator arm" mod but if you cut the threaded part of the arm, how do you get the nut back on?
#558
Boosted Kiwi
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instructions here https://www.rx8club.com/series-i-major-horsepower-upgrades-93/getting-most-out-your-greddy-turbo-without-breaking-bank-172542/
you don't screw the nut back on just the rod end ...
instructions here https://www.rx8club.com/series-i-major-horsepower-upgrades-93/getting-most-out-your-greddy-turbo-without-breaking-bank-172542/
you don't screw the nut back on just the rod end ...
#559
Pull My Finger
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Its not the turbo spooling cause it mostly makes the noise at idle, and as soon as you start giving it gas. Ill try to see if it will be noticable on video, and post it up so yall can hear it. As the car sits now, it did 212whp, 185wtq at 3.5psi. Car boosted 5psi on the way home.
#560
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instructions here https://www.rx8club.com/showthread.php?t=172542
you don't screw the nut back on just the rod end ...
instructions here https://www.rx8club.com/showthread.php?t=172542
you don't screw the nut back on just the rod end ...
#561
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sounds like a similar scenerio to mine when i dyno'd very low..on my boost gauge it would read 5psi but on the dyno it read 2.5 psi (i believe this is because of where the pressure sensor source they used may be different from my boost gauge) i did 214 whp at 2.5 psi...im taking mine back to the dyno tomorrow its currently hitting 5 psi and slow creeps up to 7 psi to redline..i made no changes since then other just adding water/meth injection..my g/s is around 349..keep you guys posted
#562
Boosted Kiwi
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If you really are worried just remove the actuator and do it in a vice but I know that thing is a real bitch to get off - up to you .
Last edited by Brettus; 11-18-2009 at 07:34 PM.