Car didn't stumble at high RPM tonight!!!!!!!!!!!!!!
#1
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Car didn't stumble at high RPM tonight!!!!!!!!!!!!!!
Okay, so I posted earlier about a stumble at mid to high range RPM's and at high boost. Well, I drove my car again today, and guess what? The stumble was gone, it was as smooth as a baby's ***!
The only thing different between today and the last time I drove it is...the temperature was like 40 today, and I filled up a little leaded racing gas.
One thing I started to wonder though, tell me if this sounds plausible. I installed a silencer in my exhaust to control creep. On normal "nice days" my boost only gets to about 12psi(yes I have an ECU!), and I noticed tonight since it was sooo cold it climbed to about 13-14psi.
So here's the thing, I went to all 9's a few weeks ago, what I'm thinking is when it's warmer out, the car doesn't boost as much and the colder plugs aren't working as well.....?
The only thing different between today and the last time I drove it is...the temperature was like 40 today, and I filled up a little leaded racing gas.
One thing I started to wonder though, tell me if this sounds plausible. I installed a silencer in my exhaust to control creep. On normal "nice days" my boost only gets to about 12psi(yes I have an ECU!), and I noticed tonight since it was sooo cold it climbed to about 13-14psi.
So here's the thing, I went to all 9's a few weeks ago, what I'm thinking is when it's warmer out, the car doesn't boost as much and the colder plugs aren't working as well.....?
#2
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it coudl be a number of things, you didn't list your mods. but you plugs just coudl have been loaded up a bit if you were in traffic, etc. This actually happened to me 2 weeks ago. My car always runs great, I haev 9s too. except one day, I gunned it , and same **** happend arounf 5k it started to stumble and buck like a fool. I ran it for a bit, and disappeared and has never returned. I hgad been driving my car in traffic, stopo and go.
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