TT GTO @ 10lbs vs T67 Supra (minus brake boost @ 20lbs)
08-08-2009, 07:25 PM
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08-08-2009, 08:16 PM
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08-09-2009, 02:00 AM
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Good numbers. Like I said, I am thinking about a turbo setup for the z. I am just wondering what kind of PSI I could run safely on stock internals and compression ratio. The turbo kit comes with bigger injectors and the fuel pump, which is a plus, but I was thinking I wouldn't want anymore than 8PSI. What do you think?
08-09-2009, 02:02 AM
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When you race any turbo from a stand still you will find out! It is like you are doing a break stand to help feed more exhause to spool the turbo cause most turbos do not spool enough until about 4,000 rpms!
Sick car you have there OP!
Sick car you have there OP!
08-09-2009, 11:01 AM
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Good numbers. Like I said, I am thinking about a turbo setup for the z. I am just wondering what kind of PSI I could run safely on stock internals and compression ratio. The turbo kit comes with bigger injectors and the fuel pump, which is a plus, but I was thinking I wouldn't want anymore than 8PSI. What do you think?
08-09-2009, 11:02 AM
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08-10-2009, 06:46 AM
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Yes I would. For safety. It lowers IAT's and can be benificial in raising octane in the event you get a bad tank of gas or travel sumwhere that dosent have the octane your tuned for.
Without sum type of failsafe built into you ecu (i.e. big stuff ecu's) that'll prevent you from making boost if the meth system fails, I wouldnt advise tuning for meth/advancing your timing on it. If it fails for whatever reason, you'll be eating a piston before you know it.
Without sum type of failsafe built into you ecu (i.e. big stuff ecu's) that'll prevent you from making boost if the meth system fails, I wouldnt advise tuning for meth/advancing your timing on it. If it fails for whatever reason, you'll be eating a piston before you know it.
08-23-2009, 11:47 AM
#32
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How come in the first video you guys ran for what looked like a long distance and at the end the GTO speedometer looked like it only read 90mph ? is that right
09-06-2009, 10:52 PM
#36
when you downshift and you're sitting on 4500+ rpms, you're not gonna be in boost, you'll still be below atmospheric pressure at a steady unloaded throttle. When u do this same thing and hold the brakes, it puts a load on the motor allowing the motor to try and spin the turbo, so when u let go of the brake the turbo is already spooled up and ready to rip so the car takes off more instantly (like the other guys said). It feels really odd to do the first few times attempted, but it sure does get the car movin out real quick!
10-10-2009, 03:28 PM
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Sorry, havent been here for a minute. My fastest time so far is 12.6@ 118. 
The elevation here is 4300ft. and the track I went to is poorly prep'd w/ sand dunes on either side lmao!
I spin pretty bad all the way down the track. Either way, I really need to work on 60ft'ing this car and im sure my times will come way down. I'm looking for mid 11's on DR's
The elevation here is 4300ft. and the track I went to is poorly prep'd w/ sand dunes on either side lmao!
I spin pretty bad all the way down the track. Either way, I really need to work on 60ft'ing this car and im sure my times will come way down. I'm looking for mid 11's on DR's
Last edited by bravoboost; 10-10-2009 at 03:37 PM.