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Tech Talk Technical Discussion About The Nissan 240SX and Nissan Z Cars |
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#1 |
Zilvia Member
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Ka24e, set ignition to 15 degrees BTDC...
And not I'm getting a nasty pinging/rattling. Its the only thing I've changed and it sounds like horrible timing chain rattle.
What gives? I thought 15 was the stock ignition timing for a SOHC? I guess I'll go turn it down to around 5 or 10 degrees btdc... |
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#2 |
Zilvia Member
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well I have no idea whats going on. Turned the dizzy back to around 5 degrees BTDC and the thing still sounds bad. It sounds like a full blown knock but from under the valve cover. I don't get it man....
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#4 |
Zilvia Junkie
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15 degrees is right +- 2 degrees
check your timing chain guides, could be the cause
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out of 240s for now.510s for now. coupe again in the future. |
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#5 | |
Zilvia Member
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Quote:
Well it doesn't matter now. The Pos blew up on me on my way home. Don't know exactly what went wrong but it wont crank (seized). Maybe it threw a rod, maybe the timing got fucked. But the engine is fucked... |
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#7 |
Zilvia Junkie
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Well performance wise they are a pos but if maintained well theyll last an apocalypse, I feel it blew due to your wrong doing
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out of 240s for now.510s for now. coupe again in the future. |
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#8 | |
Zilvia Member
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no, I had just changed the oil the day before. It had plenty of oil
Quote:
It started ticking/pinging, and I thought it was pre-ignition so I set it back. It didn't change anything. Drove it to work today and it was knocking like a mormon missionary. On the way back home it had no power and I couldn't go faster than 30 mph on flat ground. On a slight hill I heard a clank and it just stopped. The only thing I could think I did would be tightening the cam bolt. I just put the car in 5th, threw on the parking brake and tightened away. But I honestly don't think it was me. There was a trail of oil when I towed it away with a strap. Something in the bottom end must have given way. You say they're sturdy as fuck. But I have to disagree. Within 30 miles it went from running fine to fucked. I've never had that happen. Last edited by 89hatchman; 01-26-2013 at 01:08 AM.. |
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#9 |
Zilvia Member
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same happened to me. I think your timing was off, maybe from the head gasket job, that with a faulty tensioner, jumped more timing while driving and kaboom. It hurts so bad.
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