Been trying to get at good base map for my setup before installing bigger turbo this winter.
Current specs are:
Fully forged sr20det
BC 264 cams
detchwerks(spelling?) 810cc injectors
HPX Z32 afm
stock turbo @ ~9psi
3" exhaust
Innovate MTX-L
I adjusted K constant/latency for decent AFR with O2 disabled.
Ive done a couple of runs and looked at the logs. It runs really rich under load without reaching those areas in the map.
What i think i need now is a nudge inte the right direction to get further in the mapping.
Is it my scales that are completely off? i dont know where to go from here.
I never hit WOT in the log because when i do AFR dives towards 9 and lower.
Any help is appretiated.
//Fugge
Starting to tune sr20det
Moderator: Matt
Starting to tune sr20det
- Attachments
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- NIStune_2014-10-16_1738_39.csv
- (147.06 KiB) Downloaded 86 times
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- bra grund lite mappad.bin
- (64 KiB) Downloaded 110 times
Re: Starting to tune sr20det
poking around the map, is my TTPmax completely off the chart perhaps?
Re: Starting to tune sr20det
Turn your O2 sensing back on...
Hold about 2000rpm in closed loop area of the fuel map. Watch your long term/short term trims and adjust K constant until they reach about 0%
Your AFRs should then be showing about 14.7:1 on the wideband. After doing a short run see how far your TP goes and rescale the maps to the maximum TP value
After this change your fueling to achieve your target AFRs (normally around 11.5:1 depending...)
Hold about 2000rpm in closed loop area of the fuel map. Watch your long term/short term trims and adjust K constant until they reach about 0%
Your AFRs should then be showing about 14.7:1 on the wideband. After doing a short run see how far your TP goes and rescale the maps to the maximum TP value
After this change your fueling to achieve your target AFRs (normally around 11.5:1 depending...)
Re: Starting to tune sr20det
TTP max is fine. That is the default setting when changing injectors and ticking that box