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| Tech Talk Technical Discussion About The Nissan 240SX and Nissan Z Cars |
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03-17-2013, 08:38 PM
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#61 |
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Zilvia FREAK!
 Join Date: Jan 2008
Location: St. Maries, Idaho
Age: 35
Posts: 1,276
Trader Rating: (17)
  Feedback Score: 17 reviews
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your car will start a tooth off on the cas just take some work lol, but when we say came timing we are talking about intake cam to exhaust cam to crank timing
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My Twin Scroll Gt30r Sr22det Build |
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01-29-2014, 01:43 AM
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#62 |
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condition of ignition coils
if timing is good. how are your ignition coils? mine had this same stumbling problem for years that ive owed my sr. fixed when i changed out all four ignition coils. might want to check yours for cracks. mine didnt have any cracks but since i was willing to take the chance of fixin the problem i bought four new oem coils. it does have 100k plus miles on them too so i think it was about time. fixed my problem made it feel stronger as well. hope this helps
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11-20-2017, 12:05 PM
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#63 |
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Join Date: Nov 2017
Location: Los Angeles
Age: 37
Posts: 2
Trader Rating: (0)
Feedback Score: 0 reviews
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Bugging out after 4k rpms
What's going on I have the same problem on my S14 Notch Top , after 4k rpms it bugs out when I try go give it more gass , I was told that it's the Maf , can that be true if i have the wrong Maf ?
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11-20-2017, 12:25 PM
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#64 | |
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Zilvia Junkie
 
Join Date: Jul 2009
Location: Vancouver, B.C.
Posts: 333
Trader Rating: (6)
Feedback Score: 6 reviews
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Quote:
Do you know which one you have? 52F00 is S14 Zenki SR20DE 52F01 is S14 Kouki SR20DE 69F00 is S14 Zenki SR20DET 69F01 is S14 Kouki SR20DET / S15 SR20DET
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 ig : koukimonst3r |
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11-20-2017, 01:32 PM
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#65 | |
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Join Date: Nov 2017
Location: Los Angeles
Age: 37
Posts: 2
Trader Rating: (0)
Feedback Score: 0 reviews
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Quote:
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07-14-2018, 05:05 PM
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#66 |
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Leaky Injector
Join Date: Oct 2011
Location: Calgary, Ab
Age: 43
Posts: 62
Trader Rating: (0)
Feedback Score: 0 reviews
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Bump from the dead. I had this problem for the longest time, and this was one of the threads that kept coming up when I searched.
My car was slow to spoil, had weird timing retarding in boost, and had sluggish throttle response even at idle. Turns out it was the PCV valve making a huge boost leak that was being dumped into the intake pipe after the maf across the valve cover. Since the air was metered, it didn't show the typical symptoms. The PCV rattled and I couldn't blow through it ... Blocking it off while testing something else identified it. Just wanted to add my solution after chasing this problem for a long while. Edit: Turned out my car had a bad CAS also. Had timing scatter that was really bad after 4500 rpm, identified by a timing light while revving it up (it would jump from ~15 degrees to ~40 for an instant). The car was on the dyno and had a up and down torque curve showing the engine knocking, going on the knock map, then off, then knocking again... Last edited by Abeo; 09-06-2018 at 10:17 PM.. |
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08-16-2020, 11:33 PM
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#67 |
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Zilvia Member
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I had similar symptoms chased them for months. Turns out that the block and head had been shaved during rebuilds.
Solution was get adjustable cam gears and degree them so the intake began to open at about 8* btdc. Moved spool down at least 1500rpm. Would spin in 3rd where before it could barely boost in 1st. Open waste gate t25 on race gas |
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