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boost??


riff22
11-23-2004, 09:26 PM
i made a boost controller for my 95 tsi, i have it turned up to 15psi. well in first gear i notice that it dont kick in at 2,200 rpms and it only boost to like 13 then drops to 10 at high rpms. every other gear boost to 15 fine and holds at least 13-14 at high rpms. is this normal???
thanks tyler

97_3clipse
11-23-2004, 09:35 PM
you never can be sure with a home-made BC ....also, how do you know that you turbed it up to 15psi?....it is common to lose a little boost at high rpm also...

riff22
11-23-2004, 09:47 PM
i have a boost gauge its fine in all the gears exept for 1st.

97_3clipse
11-23-2004, 09:58 PM
you just said it was peaking at 13 psi , so oviously the BC was set to 13psi and not 15psi ...turn it up to 15 and its all gravey..

riff22
11-24-2004, 10:05 AM
only in in first it boost to 13, every other gear boost to 15 i know its normal to drop off at high rpms, but is it normal to not boost as high in first?

2of9
11-24-2004, 10:49 AM
im pretty sure it is. But how are you dring it like? bcuz you usually dont think about pressing on the gas pedal when goin on 1st gear. When my cuzin drives his Talon, he doesnt really press on the gas as much a 2nd, 3rd..and so on. But i think its normal.
OR
You just thought of your BC was at 15 psi, but its really at 13.....?

kjewer1
11-24-2004, 11:16 AM
First gear puts a much lower load on the motor, so it is common to not get as much boost. I never get full boost in first. Partly because of less load, partly because its over in .5 seconds. On a t25 I would think you could get full boost, but perhaps not. The behavior in the other gears sounds dead on normal, so I Wouldnt worry about it.

riff22
11-24-2004, 12:13 PM
thanks guys

2of9
11-25-2004, 06:42 PM
he put my words into a smaller meaning...yeah, thats what i meant GSXracer

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