2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

t66 turbo fc needs tune which means i need help

Old Oct 29, 2009 | 09:40 PM
  #1  
mr.c's Avatar
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t66 turbo fc needs tune which means i need help

hey everyone i just bought an 89 fc today and need to get it tuned and im wondering what i should consider, what level of boost,etc.
here are the mods i know of, engine is brand new

street port engine
t-66 turbo
new down pipe
new turbo header
greddy intercooler and pipes
46mm tial waste gate
rc injectors
fd fuel pump
microtech lt-8 with hand held
hks boost controller
hks turbo timer
some gauges
6 puck clutch
big aluminum radiator and fan
akita 17 inch wheels with new rubber 0 miles
tokico suspencion all around ( no cambers)
dual muffler racing beat exhaust

this is the list he gave me, and i have to go get it tuned so let me know what psi you guys think is good

thanks
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Old Oct 29, 2009 | 09:53 PM
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Do you have the injector size?
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Old Oct 29, 2009 | 10:06 PM
  #3  
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uh the primarys are 550 and the secondarys are 1260
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Old Oct 29, 2009 | 10:10 PM
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Turblown's Avatar
Turn up the boost
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Start at 12psi for the tune, check your fuel pressure and injector duty cycle then go from there..
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Old Oct 29, 2009 | 10:23 PM
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I would be a bit more concerned with AFR then duty cycle, but thats just me..
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Old Oct 30, 2009 | 01:16 AM
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Thanks
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Old Oct 30, 2009 | 01:32 PM
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Turn up the boost
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Originally Posted by J-Rat
I would be a bit more concerned with AFR then duty cycle, but thats just me..
Your right, I wasn't clear enough. Tune the car properly to 12psi then check FP and duty cycle.
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Old Oct 30, 2009 | 01:46 PM
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take it to a professional who knows what they are doing.
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Old Oct 30, 2009 | 02:47 PM
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Originally Posted by 87 t-66
take it to a professional who knows what they are doing.
+1 again!
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