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Tuning guru's, examine my first log (using GM MAFT)

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LucidEclipse

20+ Year Contributor
106
0
Sep 30, 2002
This was my first time tuning my car. I just put in a walbro 190 fp and hahn 550 (625) cc injectors. I run 20 psi (with 25 psi. spikes) on 91 octane. We logged two third gear pulls which both rendered nearly the exact same results. (I'm viewing this right off the palm)
RPM, Timing, 02 1 bank 1
3828 4 .96V
4230 6 .98
4570 8 .96
4933 11 .94
5292 14 .94
5640 16 .94
5953 18 .94
6250 19 .92
6527 18 .92
6773 17 .92
6988 18 .92
7199 16 .90

Here are my mods, T28 turbo, 190 lph fp, hahn 550 (625) cc injectors, 2.5"-3"" cat eliminator downpipe, 3" catback, Supra I/C, Brode uicp, dejon tool intake,3" gm maft (blow through). , K&N fipk, 1g BOV, 2100 LB. Clutch

I can only tune in 5% intervals with the GM MAFT, do you think I could run better than this or is this pretty much peaked? Thanks
 
Is a 190lph pump enough??? Personally, I'd add a little fuel at the top there... 5% is probly way more than you need, but that's what I'd try... Then again, I have to wonder if the 190lph pump can keep up...
 
Usually a 190 lph pump will supply enough fuel to keep up with 660's, except under extreme circumstances.

It looks like you are pretty good. Try adding a bit of fuel up top, but if your timing goes down, put it back to where it is now.

....Kyle T.
93 TSi AWD "TURBO4"
 
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