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Stillen Air to Air setup

Originally Posted by JWillis72 I agree and know that but I changed the sc pulley that should add 2-3psi and the impeller should add 15%. I can't imagine it not

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Old 01-08-2016, 10:33 PM   #1096 (permalink)
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I agree and know that but I changed the sc pulley that should add 2-3psi and the impeller should add 15%. I can't imagine it not making mare than the 8 psi it did before.


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I had the Stillen 9lb pulley + Vortech Impeller + PPI Long Tube Headers and made 11.9 lbs of boost.
Dyno'd @ 483rwhp and 378tq ... but it wasn't running quite right.
Blew the motor 1st time down the 1/4 mile when I lifted past the traps [12.3 @116.9]
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Old 01-08-2016, 10:43 PM   #1097 (permalink)
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Originally Posted by JWillis72 View Post
I agree and know that but I changed the sc pulley that should add 2-3psi and the impeller should add 15%. I can't imagine it not making mare than the 8 psi it did before.


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Yeah its hard to believe that you would lose that much pressure from just the headers. No way. Is your BOV possibly letting some pressure out when it shouldn't? Obviously you didn't go to redline and would prob gain a pound or two more from 6500 rpm.
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Old 01-08-2016, 11:06 PM   #1098 (permalink)
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Originally Posted by JWillis72 View Post
I agree and know that but I changed the sc pulley that should add 2-3psi and the impeller should add 15%. I can't imagine it not making mare than the 8 psi it did before.


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I would think that if the increased flow from performance headers were causing your drop in boost, you would still be seeing pretty high numbers on the dyno even with the psi down. Just thinking out loud.. I am not an expert.
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Old 01-08-2016, 11:41 PM   #1099 (permalink)
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I have Stillen headers, high flow cats and catback exhaust and achieved 380 whp with just under 8 psi boost and a completely stock Stillen SC setup/kit , but with Uprev custom tune.
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Old 01-09-2016, 09:35 AM   #1100 (permalink)
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I would think that if the increased flow from performance headers were causing your drop in boost, you would still be seeing pretty high numbers on the dyno even with the psi down. Just thinking out loud.. I am not an expert.
We feel the same way. I still have the Stillen 9lb pulley to add more boost if needed but I still feel something isn't right on the car.
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Old 01-09-2016, 10:25 AM   #1101 (permalink)
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Somethings not right, is your belt slipping?

it has to be really tight on this setup, like REALLY tight.
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Old 01-09-2016, 11:13 AM   #1102 (permalink)
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Somethings not right, is your belt slipping?
I think the same
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Old 01-09-2016, 12:11 PM   #1103 (permalink)
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Too manyy Twists and Turns in the piping can also steal boost pressure.
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Old 01-09-2016, 01:01 PM   #1104 (permalink)
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Too manyy Twists and Turns in the piping can also steal boost pressure.
This is true, but My Air to Air has more piping and more bends.

I made 7.7 psi at 5100rpm. Stock impeller with a 2.75" on blower pulley.

I don't think the piping/routing is the problem.
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Old 01-09-2016, 02:02 PM   #1105 (permalink)
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The tune so far has only been F/A adjustments, some time today the tuner is going to send us a flash with some timing advance do see what it does.
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Old 01-09-2016, 02:37 PM   #1106 (permalink)
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The tune so far has only been F/A adjustments, some time today the tuner is going to send us a flash with some timing advance do see what it does.
Is Harry tuning your car?
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Old 01-09-2016, 03:27 PM   #1107 (permalink)
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No, I really like Harry but I wanted the traction control options ecutek has and he only does UpRev.


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Old 01-09-2016, 08:13 PM   #1108 (permalink)
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The timing won't gain psi. There's something else. If it were me there I would 100% no doubt put the Bosch bpv on and throw down a pull. That new spring could easily be a problem.
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Old 01-09-2016, 08:18 PM   #1109 (permalink)
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The timing won't gain psi. There's something else. If it were me there I would 100% no doubt put the Bosch bpv on and throw down a pull. That new spring could easily be a problem.
The one off the stillen kit?
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Old 01-09-2016, 09:57 PM   #1110 (permalink)
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No, I really like Harry but I wanted the traction control options ecutek has and he only does UpRev.


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Where did you go fior ecu tek
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