Turbo spooling 1500 RPM late.
05-12-02, 11:24 AM
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Turbo spooling 1500 RPM late.
Today I noticed that I'm hitting full boost about 1500 RPM later than usual. Here's what I have:
T-78, HKS 40mm wastegate, Greddy profec.
T-78, HKS 40mm wastegate, Greddy profec.
05-12-02, 05:32 PM
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Originally posted by ASE_Joe
Uh, well.....is the car doing anything it hasnt been? Sputtering, high EGTs, anything? I think that to solve this problem, we are going to need WAY more info.
Uh, well.....is the car doing anything it hasnt been? Sputtering, high EGTs, anything? I think that to solve this problem, we are going to need WAY more info.
I was hearing what sounded like an exhaust leak near my wastegate(maybe staying open a little), but I've been too lazy to go out in the rain to check it out. When I get some time this week I'll check it out since I have to get under the car to fix another exhaust leak.
05-13-02, 07:17 PM
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Originally posted by ASE_Joe
maybe its not a boost leak, but a vac leak? i dont know if this would effect the spool times or not.
maybe its not a boost leak, but a vac leak? i dont know if this would effect the spool times or not.
05-14-02, 07:10 AM
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20B N/A Wide Body FC3S
Could also be a bad blow off valve that's venting pressure, exaust leak anywhere before the turbo, leaking wastgate... Or the worst of them all your turbo is eating it's self....
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05-14-02, 11:20 AM
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Originally posted by Dragon
Could also be a bad blow off valve that's venting pressure, exaust leak anywhere before the turbo, leaking wastgate... Or the worst of them all your turbo is eating it's self....
Could also be a bad blow off valve that's venting pressure, exaust leak anywhere before the turbo, leaking wastgate... Or the worst of them all your turbo is eating it's self....
I was thinking the wastegate because I can hear the wastegate opening at around 10-11 PSI, but I have a 14.2 PSI spring, but when I got home this morning I checked out my blowoff valve for the hell of it, and it looks like the valve may not be seated all the way down. I could have sworn that I could hear air coming from it. It may be leaking there. I'll also check out the gasket. My friend has the same BOV. So maybe I'll try his on my car.
05-14-02, 07:31 PM
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Originally posted by 13BAce
I'm not sure. I really need to just check it out when it stops raining. So far my car hasn't beaten me. Once I hit full boost it feels good, but I'd prefer to have it at 4K instead of 5500.
I'm not sure. I really need to just check it out when it stops raining. So far my car hasn't beaten me. Once I hit full boost it feels good, but I'd prefer to have it at 4K instead of 5500.
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