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Old 06-22-2014, 02:56 AM   #1
Manny
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Default Will upgrading the turbo cause tuning problems?

Hey guys i am new to this forum, ive read down through as much as i could and tryed to search for what i am looking for, but it seems nothing fits my question.

A little history, ive owned my 87 turbo supra for about 3 years, she was great, i decied to take her apart to do a rebuild. somewhere along the road i ended up getting a second 7m-GTE so one gets rebuild while one is in car for my summer driver. so my questions are:

1. if i upgrade the turbo to say a .60 trim from driftmotion, will i have tuning problems? I live in a fairly small place with very little tuning help.

2. if i stay with the ct26, but upgraded to the .57 trim, will this cause me tuning problems?

3. What kind of systems could i get that would help with this? ive read a fair amount about a few but i am still really unsure.


If this has been posted point me that way.

Manny
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Old 06-23-2014, 01:43 AM   #2
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Anyone? i am really just wondering how far the stock ecu will take you without causing problems.
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Old 06-28-2014, 02:45 AM   #3
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The stock fuel system and ECU will handle the 57 trim in MOST cases without issue. You may run into fuel cut at higher RPM but I don't think you should see much of that as long as you're not increasing the boost pressure beyond the stock level.
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Old 06-28-2014, 11:23 PM   #4
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Thank you very much, great to know. Almost got the motor pulled!
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