installing manual boost controller 1989??

hamburgler · 05-22-2005, 04:56 PM

hey there, my friend and i are trying to instal a manual boost contoller (ball and spring) so that he will boost more. i thought i would register really quickly on this forum so ask a few questions.

1. according to the gauge we hooked up last night stock boost is 6psi? is this right?

2. what is a safe amount of boost we can run? i was thinking 10psi. his car is completley stock

3. will i need to disable the boost selenoid? is there even one. there was one on my old mazda that i had to unhook. i know absolutly nothing about supras, but have a fair bit of knowledge when it comes to FI.

4. is there a guide to hook up this contoller because i have the boost controller set at 10psi from my old mazda and its still only boosting 6. thanks

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05-22-2005, 04:56 PM	#1
hamburgler Stock Join Date: May 2005 Posts: 2	hey there, my friend and i are trying to instal a manual boost contoller (ball and spring) so that he will boost more. i thought i would register really quickly on this forum so ask a few questions. 1. according to the gauge we hooked up last night stock boost is 6psi? is this right? 2. what is a safe amount of boost we can run? i was thinking 10psi. his car is completley stock 3. will i need to disable the boost selenoid? is there even one. there was one on my old mazda that i had to unhook. i know absolutly nothing about supras, but have a fair bit of knowledge when it comes to FI. 4. is there a guide to hook up this contoller because i have the boost controller set at 10psi from my old mazda and its still only boosting 6. thanks