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General Need help tuning 97 Galant with MAF Translator Pro PLEASE!

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Shadow21

15+ Year Contributor
179
0
Oct 21, 2007
Charleston, South Carolina
IDK where to start or how to do this. I just need values from you guys as a base starting point. Ive never tuned before so i just need some help if you guys dont mind. The galant is very similar to the 2g Spyder except for we have distributor and they have coil packs. So that means i cant control timing nor do i have a knock sensor.

Mods:
-ported and polished head
-port matched intake runners
-1g 60mm throttle body
-lightweight flywheel
-balance shaft removal
-full turbo back 3'' exhaust
-tubular O2 housing with ported wastegate outlet
-small 16g thats ported
-fmic
-2.5'' piping
-450cc injectors
-Tial Q 50mm BOV
-3'' GM maf (blow through setup)
-MAF Translator Pro
-AEM meth injection (set to come on at 3-3.5 psi and run out at 8-9 PSI)
-Zeitronix zt2
-AEM 3.5 bar MAP sensor (used for digital boost gauge and logging)

Logging software:
-Tuner Pro RT
-Evoscan

Goals:
8-10 PSI (whatever the wastegate is set at)

Questions:
What should the afr value be throughout the boost range starting at 1-8 psi WITH meth? Out of boost the car runs fine, in boost i know for sure it runs lean because i havent done any tuning. The way the MAF settings go it has low load, medium load, and high load values. Im lost.. Please help.

Thanks,
Johnas

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