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Who's running 10lbs of boost on a stock block?

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Old 08-11-2007, 08:34 PM
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Abishop
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Default Who's running 10lbs of boost on a stock block?

Who out there is running 10lbs of boost on a stock block?

I'm at altitude pushing 10lbs, so I'm a little different, but i wanted to see if anyone at sea level was doing this and if the motor blew or not.

Has anyone heard of any problems running at 10lbs of boost?

I'm curious because since I'm at altitude my air density is different then all you in lower elevations. My turbos have to spool 10lbs to equal what a 8lb boost level at sea level would achieve.

I guess what I'm really getting after here is, if i run 10lbs of boost at altitude will i blow my motor with great UTEC tune?

My numbers 450 SAE Corrected, 370 Uncorrected whp.
Old 08-11-2007, 09:04 PM
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Triji
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I've run 10 to 10.5 on my Vortech BUT that is much more linier...

I would say you are pushing it on an APS at 10psi and 450 rwhp. be very careful... you wont "feel" anything until it goes "boom"
Old 08-11-2007, 09:31 PM
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eltness350
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i had my procharger at 12psi for 5k..no probs
Old 08-11-2007, 09:51 PM
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Audible Mayhem
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we run 10-13 pounds on pump gas on stock blocks....
Old 08-11-2007, 09:53 PM
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tig488
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i ran my aps single up to 19psi on a stock block.....occasionally.
Old 08-11-2007, 09:55 PM
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Originally Posted by Audible Mayhem
we run 10-13 pounds on pump gas on stock blocks....
With APS TT kits? What EMS are you guys using? Any other problems?

Last edited by Abishop; 08-11-2007 at 09:57 PM.
Old 08-11-2007, 09:56 PM
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Originally Posted by Triji
I've run 10 to 10.5 on my Vortech BUT that is much more linier...

I would say you are pushing it on an APS at 10psi and 450 rwhp. be very careful... you wont "feel" anything until it goes "boom"
remember 450 Corrected....im only around 370 uncorrected.
Old 08-12-2007, 10:56 AM
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anyone else?
Old 08-12-2007, 01:38 PM
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THE TECH
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I am also running more than 10psi with my Vortech.
Old 08-12-2007, 02:41 PM
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9.5 psi @ sea level here with my vortech
Old 08-12-2007, 03:43 PM
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sweet, thats what i like to hear. But 10lbs from a vortech is a little different then APS TT isn't it?
Old 08-12-2007, 04:07 PM
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350zDCalb
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Originally Posted by Abishop
anyone else?
way back in the day, I ran 9psi on a stock block, greddy tt, crappy emanage blue engine management and blew a hole in it

what engine management are you using? pull the timing and keep the a/f perfect and it can be done, but eventually it will give at these boost levels... the rings don;t hold up for long periods (turbo torque/power- less abusive with the linear/lower torque SC setup).

-TODD

Last edited by 350zDCalb; 08-12-2007 at 05:39 PM.
Old 08-12-2007, 04:54 PM
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Vinny@VTR
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<---- running 10lbs on a TN ST on Reflash... perfect A/Fs and holds @ 10lbs. no problems whatsoever...
Old 08-12-2007, 05:09 PM
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Torque is what puts stress on engines..not boost, and not whp. A Vortech at 10psi is much more gentle on an engine, when compared to 10psi on a TT kit, due its lower trq output.
Old 08-12-2007, 05:37 PM
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Im running 10psi and not a problem yet...
Old 08-12-2007, 05:42 PM
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wtf no turbo
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Originally Posted by tig488
i ran my aps single up to 19psi on a stock block.....occasionally.
And who bought your car? LOL
Old 08-12-2007, 06:46 PM
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Originally Posted by Alex@VTR
<---- running 10lbs on a TN ST on Reflash... perfect A/Fs and holds @ 10lbs. no problems whatsoever...
How safe is the tn @10psi tuned w/utec? Im sure it would be safer than the reflash@10psi. Isnt the tn tuned up to 9.5 on the reflash?
Has anyone done it ?
Old 08-12-2007, 07:16 PM
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Originally Posted by Sharif@Forged
Torque is what puts stress on engines..not boost, and not whp. A Vortech at 10psi is much more gentle on an engine, when compared to 10psi on a TT kit, due its lower trq output.
That's what I said in the past but got flamed for it by others here.
Old 08-12-2007, 08:46 PM
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what is a safe torque output for a stock motor?
Old 08-12-2007, 08:50 PM
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Originally Posted by Abishop
what is a safe torque output for a stock motor?
Way too many variables to say, biggest being tune.


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