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T78 What To Expect

Old 05-09-2005, 03:56 PM
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Well I am just about done with my T78 and I was wondering if anyone here has the same set up and what numbers they are putting down





T78, racing beat street ported 13b, Greddy 3 row fmic, 850 primary, 1600 secondary, Supra fuel pump, removed my AC, and power steering, Apexi PFC , profec b boost controler
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Old 05-09-2005, 05:17 PM
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[quote name='SENNALIVES' date='May 9 2005, 02:56 PM']Well I am just about done with my T78 and I was wondering if anyone here has the same set up and what numbers they are putting down

T78, racing beat street ported 13b, Greddy 3 row fmic, 850 primary, 1600 secondary, Supra fuel pump, removed my AC, and power steering, Apexi PFC , profec b boost controler

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tons of lag

id say around 5500 rpm or 6000 rpm
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Old 05-09-2005, 06:26 PM
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a blown motor if not tuned correctly. but other then that heavy lag on a street car but great top end.
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Old 05-09-2005, 07:39 PM
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[quote name='Microvio' date='May 9 2005, 05:17 PM']tons of lag

id say around 5500 rpm or 6000 rpm

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Dont listen to him. The lag isnt *that* bad, people either dont know how to drive or have something wrong in their setup if they arent seeing boost until 6k.



lag is overrated.



at 15psi you should put down like 425-430 rwhp with a conservitave tune.
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Old 05-09-2005, 08:00 PM
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oh no, you will lag. Spent quite a number of times in voskos car as a passenger and driver. **** will lag. Not terrible, but it is there.
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Old 05-09-2005, 08:27 PM
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sorry.... off topic but whats the diffrence between supra pump and twin walbros? what works better?
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Old 05-09-2005, 09:44 PM
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i know, i didnt say there wolnt be lag. Its just not *that* bad
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Old 05-09-2005, 09:53 PM
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Who was it that said "If you're waiting for boost, you're in the wrong gear." ?
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Old 05-09-2005, 10:15 PM
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depends what your goal is.......the lag was pretty annoying
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Old 05-09-2005, 11:40 PM
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[quote name='fc3sboy1' date='May 9 2005, 03:26 PM']a blown motor if not tuned correctly. but other then that heavy lag on a street car but great top end.

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That goes for any setup.





T-78 is a good turbo, but better suited for running higher boost in race applications....something over 15psi. You can get a smaller turbo that is more responsive and puts down the same numbers at 15psi that will have a better power band.
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