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Tech Talk Technical Discussion About The Nissan 240SX and Nissan Z Cars


 
 
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Old 08-12-2009, 09:24 PM   #1
BadazzSr20
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Made it to the track !!

ok heres a long story short, i been haven white smoke comming from me exhuast now for sometime and i been to lazy to do anything about it. well today i got up an did a compression check on the car...

#1 150
#2 155
#3 150
#4 155

so when i seen this i was like WOOOOTT! so that leaves me to belive its the turbo not to bad so i know the wast gate on the turbo doesnt hold boost it will spike to 10 or 12 but then drop to 7psi as u incress the rpms.
so i said fucking lets take this beast to the track and see what she can do.

i did about 40 pass so ill make it short.

First pass no boostcontroller
R/T 1.406
60" 28.04
1/4 15.925
Mph 95.69
when i seen this i almost craped myself...

2nd pass boostcontroller on stock boost
R/t .695
60" 2.482
1/4 15.711
94.88
wasnt happy so i started to tune the boostcontrooller and left it on stock boost.

3rd pass after i played with boostcontroller stock boost
R/t .676
60" 2.349
1/4 14.525
mph 97.68

now where getting somewhere after i did my last tuning for the night the best pass was

4th pass ok peekboost 10.4 settled at 7psi
R/t .423
60" 2.041
1/4 13.734
mph 100.45

with 10$ tires and drift set up and a blown turbo i can live with that for now!

so what you all think?
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