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ECMlink global and dt for fic 1250cc bluemax

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vicky_turbo

15+ Year Contributor
59
0
Jun 23, 2003
UAE,DUBAI, Asia
hi guys
i jus got 1250cc fic bluemax i am havingtrouble tunning idle coz if i keep it -63 global ,i tried 330 dt ,390 ,to bring cbft to +-5 but the car dies as soon as its idling rpm drop plus afr WB is jumping from 14.1 to 16.1 to 17.1 .i tunned a 750cc rc watch my video of rc 750cc on mustang dyno with a fpgt35r maxed out at 18 psi running 96% idc

[ame=http://www.youtube.com/watch?v=7okOGE0_ir8]Waqas Dsm gt35r dyno - YouTube[/ame]

guys need help on this fic bluemax will highly appreciate all your inputs .n BTW this is the only 1 dsm alive in UAE ,dubai .posting my log for references
 
I had my 1250s at -64, then changed to -60. You should realize injector global is directly affected by base fuel pressure. The best method I have found is to set the global injector size and leave it, then do WOT pulls and compare afratioest to my wideband. Adjust the base fuel pressure [ignore gauge] until these match at 100% VE. This assumes the maf is properly calibrated and zero boost leaks.

As for deadtime, each car is different. There's so many variables to affect it. The recommended numbers are just ball parks. I had mine up to almost 600 with the 1250s. I didn't even bother trying to dial deadtime in until I was sure my global/base fuel was correct.

The best thing I did with my 1250s was run an Easytune box. If you have v3 and can find one, definitely grab it. Allowed me to lower my deadtime to around 100 and overall changed the personality of the car. Best mod I've ever done to a dsm aside of 'link.

Post a log if you have one.
 
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