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1st time log with afc/logger lots of knock

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bobot

Probationary Member
2
0
Sep 9, 2004
Manila, Asia
Hi guys! this is my first time to post here at DSMtuners. first, i have been reading a lot of threads and articles about tuning the car here at the forums but i'm having a hard time tuning my car. please help :toobad:

my engine is a jdm vr4 and mods are 2g maf, rechipped 5808 ecu, 510cc injectors, 14b, jecs fule pump, supra type intercooler, mbc, afc (knobtype)

here is my log: 18 psi, afc knobs set @ 800 - 0,2.4k - +6,4k - +6,5.6k - +6,7.2k - +6
by the way base timing is set at 3 deg. coz if i set it at 5 it'll knock more....:barf:
how do i start?

TIMA O2R TPS RPM KNCK

34° 0.88V 100.0% 4688 0
26° 0.90V 100.0% 4750 0
24° 0.90V 100.0% 4844 7
18° 0.90V 100.0% 4938 20
18° 0.88V 100.0% 5000 20
19° 0.88V 100.0% 5250 20
20° 0.90V 100.0% 5219 20
20° 0.90V 100.0% 5406 20
21° 0.88V 100.0% 5438 19
21° 0.90V 100.0% 5531 20
21° 0.90V 100.0% 5594 19
21° 0.90V 100.0% 5688 19
22° 0.90V 100.0% 5750 18
22° 0.88V 100.0% 5938 18
23° 0.88V 100.0% 5938 19
23° 0.90V 100.0% 6094 18
23° 0.90V 100.0% 6281 18
24° 0.88V 100.0% 6250 17
24° 0.88V 100.0% 6438 17
24° 0.88V 100.0% 6438 17
24° 0.88V 100.0% 6594 17
25° 0.88V 100.0% 6719 23
 
.88volts is pretty low O2 reading. Try richening it up a bit to see if that helps with the knock. Though it is strange that you're still running 20 degrees timing advance but have 18-20 counts of knock....
 
i think the e952 program has an aggressive timing map thats why even if it knocks its TIMA is still high. i tried to richen but the car felt sluggish and the acceleration sucked. :|

i tried to go +10 on the last 3 knobs but it felt slow...
 
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