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Does it seem ok?

401 Views 3 Replies 4 Participants Last post by  DRW
I just wanted to see if everything was doing ok. (13 psi)



rpm time O2 (mv)
1900 27 520
2008 28 840
2172 13 920
2452 12 940
2792 10 940
3168 08 960
3656 08 960
4124 11 960
4552 10 960
4972 11 960
5340 13 960
5736 16 960
6112 18 720
1 - 4 of 4 Posts
Well, with no list of modifications to your car we can't really tell you what to do. If you have an AFC/MAFT/other piggyback tuning device, you should richen it up since your timing seems low.
Don't mean to thread jack but my timing is WAY higher than that how bad is mine off? and I'm guessing my 5K (hit a brick wall is fuel cut as I see the inj. pulse goes to almost nothing, but I'm working on that)


TIMA ISC TPS MAFS RPM KNCK INJP
37° 36 12.2% 56.6Hz 2188 0 1.28ms
37° 53 16.5% 119.5Hz 2188 0 2.30ms
35° 58 20.0% 163.5Hz 2250 0 3.07ms
34° 59 20.8% 182.4Hz 2406 0 3.07ms
34° 60 22.0% 207.6Hz 2656 0 3.07ms
34° 65 25.9% 251.6Hz 2969 0 3.58ms
33° 69 28.6% 320.8Hz 3375 1 4.10ms
33° 72 31.4% 415.1Hz 3875 0 4.86ms
32° 73 32.2% 540.9Hz 4438 0 5.89ms
31° 73 32.2% 610.1Hz 4969 0 6.14ms
33° 68 10.6% 257.9Hz 5219 0 1.54ms
45° 46 23.9% 176.1Hz 4250 0 3.07ms
35° 75 34.5% 371.1Hz 3219 0 4.86ms
31° 80 39.2% 465.5Hz 3406 0 5.12ms
29° 81 40.8% 566.1Hz 3688 0 7.68ms
27° 81 40.8% 710.8Hz 3938 0 9.47ms
26° 81 40.8% 830.3Hz 4313 1 9.98ms
27° 81 40.8% 874.3Hz 4563 0 9.98ms
28° 81 40.8% 912.1Hz 4906 0 10.24ms
28° 81 27.8% 635.3Hz 5219 0 1.79ms
45° 51 8.2% 69.2Hz 4375 0 0.77ms
40° 66 26.7% 283.1Hz 3438 0 3.84ms
33° 79 37.3% 440.3Hz 3500 0 4.86ms
30° 80 38.4% 515.8Hz 3625 0 6.91ms
28° 80 38.4% 616.4Hz 3781 0 7.94ms
27° 80 38.4% 710.8Hz 3875 0 9.22ms
26° 80 38.4% 767.4Hz 4031 0 9.73ms
26° 80 38.8% 767.4Hz 4156 0 9.47ms
27° 80 38.8% 761.1Hz 4375 0 6.66ms


All I want to know is, how high is my timing? what is it suppost to be?
car is a 90 GSX AWD, it has a 20g, and oversized valves,
550cc, and I have an SAFC II set to -10% right now.
I have the boost turned down to 10psi until I can get it tuned right.

Sorry to thread jack again.
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mytmous, try a WOT run. You never got over 40% throttle. Timing will go up at part throttle.
1 - 4 of 4 Posts
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