L99 Max Boost - Page 2 - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums

NewGen · 10-21-2010, 02:42 PM

Quote:

Originally Posted by speedster

The higher the boost the bigger the boom !!!

You should be able to run forever with single digit boost if you don't lean out. When you start testing double digits you may have problems unless you have a great tuner (of which there are many on this site)

Dont think ima go double digits without forged internals... thats crazy

Slowhawk · 10-21-2010, 05:07 PM

Quote:

Originally Posted by NewGen

Dont think ima go double digits without forged internals... thats crazy

Actually double digit boost levels have been done for many years on stock motors.You should search out the Corvette forum and LS1tech. Remember,these motors have been around for awhile, the forum hear is just trying to catch up.

We just finished a 2009 Z06 Vette(stock 427) which has higher compression and we run twin turbo's at 10lbs with no worrying.

Blitzman · 10-21-2010, 05:12 PM

With the way the OP types I expect him to blow it up, but yes keep it under 10psi. Run meth for safety.

NewGen · 10-21-2010, 06:20 PM

Quote:

Originally Posted by Blitzman

With the way the OP types I expect him to blow it up, but yes keep it under 10psi. Run meth for safety.

with tha way i type? are you and english teacher? am i n class? dnt think so

NewGen · 10-21-2010, 06:21 PM

Quote:

Originally Posted by Slowhawk

Actually double digit boost levels have been done for many years on stock motors.You should search out the Corvette forum and LS1tech. Remember,these motors have been around for awhile, the forum hear is just trying to catch up.

We just finished a 2009 Z06 Vette(stock 427) which has higher compression and we run twin turbo's at 10lbs with no worrying.

that may be so bt i dnt kno how the stock L99 motor would hold up to that

old motorhead · 10-21-2010, 06:47 PM

You might also consider the power made as well as the boost level. 10psi on a stock motor should last longer than 10psi on a cam, bolt ons, meth L99. The hp difference between the two could be well north of 100hp.

NewGen · 10-21-2010, 06:52 PM

Quote:

Originally Posted by old motorhead

You might also consider the power made as well as the boost level. 10psi on a stock motor should last longer than 10psi on a cam, bolt ons, meth L99. The hp difference between the two could be well north of 100hp.

Thanx

aet08 · 10-21-2010, 07:00 PM

i'm getting about 9.5psi at redline with 500 to the wheels.

NewGen · 10-21-2010, 07:03 PM

Quote:

Originally Posted by aet08

i'm getting about 9.5psi at redline with 500 to the wheels.

You runnin a vortech v-3?

WadeWilson · 10-21-2010, 07:36 PM

I have an L99 with a Whipple and my dyno hit a max boost of 11 at 6,500RPM.

NewGen · 10-21-2010, 07:38 PM

Quote:

Originally Posted by Shardik2SS

I have an L99 with a Whipple and my dyno hit a max boost of 11 at 6,500RPM.

Thats alot of boost... Is the boost different with S/Cs than TTs?

WadeWilson · 10-21-2010, 07:45 PM

Quote:

Originally Posted by NewGen

Thats alot of boost... Is the boost different with S/Cs than TTs?

Not sure. Yeah it's a big number, but how often do I hit 6,500RPM?

On average it's more in the 9-10 range with a good but conservative tune.

NewGen · 10-21-2010, 07:55 PM

Quote:

Originally Posted by Shardik2SS

Not sure. Yeah it's a big number, but how often do I hit 6,500RPM?

On average it's more in the 9-10 range with a good but conservative tune.

Oh okay

AdamCzap · 10-21-2010, 08:15 PM

I run 7psi at 545rwhp with twins on my l99. Very safe.

10-21-2010, 05:12 PM	#17
Blitzman 173rd Paratrooper Drives: Summit White SS Join Date: Aug 2010 Location: Houston Posts: 152	With the way the OP types I expect him to blow it up, but yes keep it under 10psi. Run meth for safety. __________________ Jeramey - 715rwhp Vortech YSI - 10Rib CTS-V Dual Fuel Pumps American Racing Headers Thunder Racing Cam Walker Bullet Exhaust DSS 1400hp Axles Barton Industries Shifter ADM Boost/AFR Gauges

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10-21-2010, 06:47 PM	#20
old motorhead Drives: Maggie blown LS3 vette Join Date: Aug 2009 Location: SE TX Posts: 1,490	You might also consider the power made as well as the boost level. 10psi on a stock motor should last longer than 10psi on a cam, bolt ons, meth L99. The hp difference between the two could be well north of 100hp.

10-21-2010, 07:00 PM	#22
aet08 Drives: c Join Date: Feb 2010 Location: c Posts: 627	i'm getting about 9.5psi at redline with 500 to the wheels.

10-21-2010, 07:36 PM	#24
WadeWilson How U Doin? Drives: 2014 CTS-V Coupe Join Date: Oct 2008 Location: Californication Posts: 24,154 View My Garage	I have an L99 with a Whipple and my dyno hit a max boost of 11 at 6,500RPM.

10-21-2010, 08:15 PM	#28
AdamCzap Drives: 18 zl1, 17 sierra denali Join Date: Sep 2009 Location: Detroit Area Posts: 471	I run 7psi at 545rwhp with twins on my l99. Very safe.