Wich is the max PSI for a Stock Camaro SS 2012 L99 - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums

jordaromera · 09-06-2014, 02:52 PM

Hello, i have a camaro with p1sc procharger, the question is wich is the max psi pressure for my stock l99 engine? 10 PSI? 12? Thanks for your help.

SmokedSS · 09-06-2014, 04:11 PM

Mine blew @ around 11.5 -12 psi. I'd stay under 10 but that's just me.

jessrayo · 09-06-2014, 05:25 PM

Quote:

Originally Posted by SmokedSS

Mine blew @ around 11.5 -12 psi. I'd stay under 10 but that's just me.

Just curious what blew?

I lost a head gasket at 16 psi and 807whp on my LSA motor.

SuperchargedStealth · 09-06-2014, 05:26 PM

10 is about it with meth as a safety precaution, but I've pushed mine to 15 lbs.

SmokedSS · 09-06-2014, 05:52 PM

Quote:

Originally Posted by jessrayo

Just curious what blew?

I lost a head gasket at 16 psi and 807whp on my LSA motor.

Big hole in the block

Don't know initial cause.

jordaromera · 09-08-2014, 04:32 PM

Thank you for your help! I'll try to keep in 10 PSI with methanol. I do not want to damage the engine.

Unreal · 09-08-2014, 04:43 PM

Depends. Turbo cars can typically get away with a bit more. It isn't PSI, just power you should be concerned about. l99 is good for ~700-750rwhp depending on blower or turbo. Boost doesn't matter. Could be 22psi or 5psi.

jordaromera · 09-09-2014, 08:05 AM

Quote:

Originally Posted by Unreal

Depends. Turbo cars can typically get away with a bit more. It isn't PSI, just power you should be concerned about. l99 is good for ~700-750rwhp depending on blower or turbo. Boost doesn't matter. Could be 22psi or 5psi.

Boost doesn't matter?

Unreal · 09-09-2014, 08:26 AM

No, it doesn't. It is just a measurement of restriction. Headers, cam, heads, type of power adder all change that. You could ask what is a general range of boost for a bone stock car with no other mods and a procharger to run, but in the end power and specifically cylinder pressure is what limits a motor. You can get to 800 crank HP with 5psi with really good heads/cam/headers or 20psi with a restrictive setup. Most guys will say ~12-13psi is the limit because that is typically what gets you to ~750rwhp on a ls3 car, but the boost doesn't matter, it is the power level/cylinder pressure. You can put some heads and cam on a 750rwhp car, make 3psi less, and the motor is still making 750rwhp, seeing the same cylinder pressure and same stress on the pistons/rods/rings/head gaskets. You maybe in a more efficent part of a compressor map so may get cooler intake temps, which maybe safer, but you may not.

If you are asking on a bone stock motor, with a p1sc how much boost you can run, the answer will be until you run out of fuel/octane, and with that blower and nothing added like meth you will run out before the motor is the limit. If you upgrade the fuel system sufficiently then you should be able to just about max out that blower before the motor runs out in the 700rwhp range assuming you have enough fuel/octane to push the blower to max RPM/impeller speed.

jordaromera · 09-09-2014, 09:10 AM

Quote:

Originally Posted by Unreal

No, it doesn't. It is just a measurement of restriction. Headers, cam, heads, type of power adder all change that. You could ask what is a general range of boost for a bone stock car with no other mods and a procharger to run, but in the end power and specifically cylinder pressure is what limits a motor. You can get to 800 crank HP with 5psi with really good heads/cam/headers or 20psi with a restrictive setup. Most guys will say ~12-13psi is the limit because that is typically what gets you to ~750rwhp on a ls3 car, but the boost doesn't matter, it is the power level/cylinder pressure. You can put some heads and cam on a 750rwhp car, make 3psi less, and the motor is still making 750rwhp, seeing the same cylinder pressure and same stress on the pistons/rods/rings/head gaskets. You maybe in a more efficent part of a compressor map so may get cooler intake temps, which maybe safer, but you may not.

If you are asking on a bone stock motor, with a p1sc how much boost you can run, the answer will be until you run out of fuel/octane, and with that blower and nothing added like meth you will run out before the motor is the limit. If you upgrade the fuel system sufficiently then you should be able to just about max out that blower before the motor runs out in the 700rwhp range assuming you have enough fuel/octane to push the blower to max RPM/impeller speed.

thanks for the explanation now I have this clearer

z06-tt · 09-09-2014, 12:10 PM

Unreal is correct... BOOST mean shit..

example.

a 6.2 making 700 on twins with 8 psi and a 6.2 making 700 on a single will have different boost levels.. both making same power.

is tthe cylinder pressure you have to watch out for. ^^ those two cars i list above should ahve close to the same cylinder pressure.

Rdunn · 09-09-2014, 03:54 PM

I have been running 16-17 psi on mine for a year now... No problems.car is somewhere between 800-900whp

I'm on e85 with 100% meth

Rdunn · 09-09-2014, 03:59 PM

Also there are quite a few cars running well over 900whp to the tires with no problems

ProCharger · 09-09-2014, 05:56 PM

Quote:

Originally Posted by Rdunn

I have been running 16-17 psi on mine for a year now... No problems.car is somewhere between 800-900whp

I'm on e85 with 100% meth

Love watching your ride!

Wicked fast!

09-06-2014, 02:52 PM	#1
jordaromera Drives: CAMARO SS 2012 L99 PROCHARGED/METH Join Date: Jul 2014 Location: ANDORRA (SPAIN) Posts: 81	Wich is the max PSI for a Stock Camaro SS 2012 L99 Hello, i have a camaro with p1sc procharger, the question is wich is the max psi pressure for my stock l99 engine? 10 PSI? 12? Thanks for your help.

09-06-2014, 05:26 PM	#4
SuperchargedStealth Drives: '11 Camaro Supercharged Convertible Join Date: May 2014 Location: NJ Posts: 481	10 is about it with meth as a safety precaution, but I've pushed mine to 15 lbs. __________________ 2011 Triple Black SS convertible, LSX 427, PRC 260cc heads, Callies Ultra Billet Rods, Wiseco -20 cc piston, Callies Dragon Slayer crank, Strange Dana 60 rear w/3.73 gear ratio and driveshaft, Pfadt coilovers, Pfadt sway bars, Pfadt trailing arms, Pfadt tie rods, Pfadt subframe bushings, Vortech YSi with wastegate and twin BOV, Haltech ECU, Mantic 9000 Twin Clutch, ALKY control meth system with dual nozzle, Squash twin fuel pumps, ACS T3 ports, VIS Terminator Hood, Seibon ZL style lip.

09-08-2014, 04:43 PM	#7
Unreal Drives: 2006 Z06 Join Date: Oct 2010 Location: Gilbert, AZ Posts: 5,712	Depends. Turbo cars can typically get away with a bit more. It isn't PSI, just power you should be concerned about. l99 is good for ~700-750rwhp depending on blower or turbo. Boost doesn't matter. Could be 22psi or 5psi. __________________ Nick Corvette Z06 -1200ish rwhp

09-09-2014, 08:26 AM	#9
Unreal Drives: 2006 Z06 Join Date: Oct 2010 Location: Gilbert, AZ Posts: 5,712	No, it doesn't. It is just a measurement of restriction. Headers, cam, heads, type of power adder all change that. You could ask what is a general range of boost for a bone stock car with no other mods and a procharger to run, but in the end power and specifically cylinder pressure is what limits a motor. You can get to 800 crank HP with 5psi with really good heads/cam/headers or 20psi with a restrictive setup. Most guys will say ~12-13psi is the limit because that is typically what gets you to ~750rwhp on a ls3 car, but the boost doesn't matter, it is the power level/cylinder pressure. You can put some heads and cam on a 750rwhp car, make 3psi less, and the motor is still making 750rwhp, seeing the same cylinder pressure and same stress on the pistons/rods/rings/head gaskets. You maybe in a more efficent part of a compressor map so may get cooler intake temps, which maybe safer, but you may not. If you are asking on a bone stock motor, with a p1sc how much boost you can run, the answer will be until you run out of fuel/octane, and with that blower and nothing added like meth you will run out before the motor is the limit. If you upgrade the fuel system sufficiently then you should be able to just about max out that blower before the motor runs out in the 700rwhp range assuming you have enough fuel/octane to push the blower to max RPM/impeller speed. __________________ Nick Corvette Z06 -1200ish rwhp

09-09-2014, 03:54 PM	#12
Rdunn Really, Really Fast Drives: 2010 Camaro SS Join Date: Feb 2013 Location: St.Louis,Mo Posts: 686	I have been running 16-17 psi on mine for a year now... No problems.car is somewhere between 800-900whp I'm on e85 with 100% meth __________________ Procharger F1X, TH400, E85, CBI Street Cars, DSX Tuning, 1300whp

09-06-2014, 04:11 PM	#2
SmokedSS Guest Drives: 2011 2SS / RS A6 Join Date: Oct 2011 Location: Moving On Posts: 464 View My Garage	Mine blew @ around 11.5 -12 psi. I'd stay under 10 but that's just me.

09-08-2014, 04:32 PM	#6
jordaromera Drives: CAMARO SS 2012 L99 PROCHARGED/METH Join Date: Jul 2014 Location: ANDORRA (SPAIN) Posts: 81	Thank you for your help! I'll try to keep in 10 PSI with methanol. I do not want to damage the engine.

09-09-2014, 12:10 PM	#11
z06-tt Drives: 06 Z06 TT Join Date: Nov 2013 Location: IOWA Posts: 43	Unreal is correct... BOOST mean shit.. example. a 6.2 making 700 on twins with 8 psi and a 6.2 making 700 on a single will have different boost levels.. both making same power. is tthe cylinder pressure you have to watch out for. ^^ those two cars i list above should ahve close to the same cylinder pressure.

09-09-2014, 03:59 PM	#13
Rdunn Really, Really Fast Drives: 2010 Camaro SS Join Date: Feb 2013 Location: St.Louis,Mo Posts: 686	Also there are quite a few cars running well over 900whp to the tires with no problems __________________ Procharger F1X, TH400, E85, CBI Street Cars, DSX Tuning, 1300whp