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CBR 929 Homebuilt turbo. Need help finishing, and Welcome!
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Topic: CBR 929 Homebuilt turbo. Need help finishing, and Welcome! (Read 843 times)
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zfrilly
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Re: CBR 929 Homebuilt turbo. Need help finishing, and Welcome!
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Reply #40 on:
November 23, 2009, 07:14:59 PM »
Figured out, at least I think I have, what I'm doing for a radiator overflow. I got a large flask, 12oz, and will be able to tuck it away. I measured mine. It holds 8oz at the low line, and 12 at the top on the stock one.
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zfrilly
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Re: CBR 929 Homebuilt turbo. Need help finishing, and Welcome!
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Reply #41 on:
May 09, 2010, 07:11:05 PM »
Took my bike to the Dyno two weeks ago. It ran like shit and put out 63hp. I thaught it may have something to do with my header. My tuner looked into it and found that the bike was only running on two cylinders. He got it taken car of and running on all 4. Yesterday (Sat) I spent the day there trying to get this thing going good.
At first anything over 1/4 throttle was causing us problems. We tried changing the main harness, swapping ECU's, with and without the power commander. Nothing worked. We then disconnected the TPS and it got better. I had and extra TPS laying around so we swapped it. That was our problem. We then started making some pulls.
The first couple of pulls we ran without the PC since we couldn't get it to talk to the computer. I had a 6:1 FMU installed and the base pressure set to around 50lbs. I watched the gauge as we made some runs and it never increased with boost. We tried with and without the FMU. Not much change. We tried with just the FMU and no FPR. It wouldn't run. Does the FMU show a pressure change on the FPR gauge?
We did get some solid pulls. Around 170hp. Problem was around 6500, when the boost starts, the engine goes very lean for a moment and then starts making up for the lack of fuel. We kept plugging along. There wasn't much we could do for the tune bieng that the PC was having problems.
So as of right now I have about 170hp and 90 lbs torque. I ran the sealed plastic airbox and it held fine. I pushed around 8-9lbs of boost into it. My tuner thinks we will be able to get another 20-30% with a way to tune the fueling and timing. Now I just need to locate another PC IIIr for my bike.
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