can a stock '99 GT bloack handle this?

475HP '03 cobra · 10-25-2005, 05:31 PM

i'm thinking that it will be pushing what the engine can handle with a stock block, what do you think

intercooled 8PSI centrif. supercharger
75HP or if possible 125HP shot of NOS

i'm leaning towards it being pretty risky

QWKSNKE · 10-25-2005, 06:15 PM

Somebody told me that low 400's at the wheels is all you want to do in a stock shortblock

96GTS · 10-25-2005, 08:43 PM

I think it will. They can handle 10-12 psi with an aftercooler, and I dont think this is much different. They both cool the intake charge which prevents detonation. Its all in the tune

But why?

475HP '03 cobra · 10-25-2005, 09:14 PM

well i dont want the continuose stress on the motor like have 12 PSI but i would like a bit more power than the 8psi but i would only use it once in a while so a shot of nos would be good for this

Wicked · 10-26-2005, 07:00 PM

400-425 is what I would consider the safe daily driver power level for most 2V blocks. You could do more for a dyno queen and occasional 1/4 mile car.

tacbear · 10-26-2005, 07:33 PM

Quote:

Originally Posted by Wicked

400-425 is what I would consider the safe daily driver power level for most 2V blocks. You could do more for a dyno queen and occasional 1/4 mile car.

400-425 is the usual answer, but how come I see so many Cobra's (like yours) can take more HP--isn't the shortblock about the same (hyperpathetic pistons and rods)?

QWKSNKE · 10-26-2005, 07:44 PM

Quote:

Originally Posted by tacbear

400-425 is the usual answer, but how come I see so many Cobra's (like yours) can take more HP--isn't the shortblock about the same (hyperpathetic pistons and rods)?

no. Can't remember if the rods or the pistons are different between the 2

Wall96cobra · 10-26-2005, 08:04 PM

Quote:

Originally Posted by tacbear

400-425 is the usual answer, but how come I see so many Cobra's (like yours) can take more HP--isn't the shortblock about the same (hyperpathetic pistons and rods)?

I do believe the pistons and rods are the same but the 2v crank is cast and the 4v crank is forged.

uvbnhad · 10-26-2005, 08:22 PM

Kenne Belle and NX both go by a maximum of 450hp on a stock shortblock. Much more than that and you'll be picking up pieces of your motor off of the ground.

475HP '03 cobra · 10-26-2005, 08:39 PM

so do you think even the blower alone would be safe cuz with it ans some simple other mods such as exhuast under drives and cold air induction i'll be pushing around 450 if not more

10-25-2005, 05:31 PM	#1
475HP '03 cobra Senior Member Join Date: Sep 2005 Location: Tampa, Florida Posts: 157	can a stock '99 GT bloack handle this? i'm thinking that it will be pushing what the engine can handle with a stock block, what do you think intercooled 8PSI centrif. supercharger 75HP or if possible 125HP shot of NOS i'm leaning towards it being pretty risky

10-25-2005, 06:15 PM	#2
QWKSNKE 3v's are slow Join Date: Dec 2004 Location: Here and There Posts: 17,152	Re: can a stock '99 GT bloack handle this? Somebody told me that low 400's at the wheels is all you want to do in a stock shortblock

10-25-2005, 08:43 PM	#3
96GTS Mine's bigger... Join Date: Dec 2004 Location: SoCal Posts: 1,060	Re: can a stock '99 GT bloack handle this? I think it will. They can handle 10-12 psi with an aftercooler, and I dont think this is much different. They both cool the intake charge which prevents detonation. Its all in the tune But why? __________________ 323rwhp \| 320rwtq - 4VNA 12.13 @ 113.36 \| 1.63 60'

10-25-2005, 09:14 PM	#4
475HP '03 cobra Senior Member Join Date: Sep 2005 Location: Tampa, Florida Posts: 157	Re: can a stock '99 GT bloack handle this? well i dont want the continuose stress on the motor like have 12 PSI but i would like a bit more power than the 8psi but i would only use it once in a while so a shot of nos would be good for this

10-26-2005, 07:00 PM	#5
Wicked Friends Join Date: Dec 2004 Location: Pell City, AL Posts: 1,371	Re: can a stock '99 GT bloack handle this? 400-425 is what I would consider the safe daily driver power level for most 2V blocks. You could do more for a dyno queen and occasional 1/4 mile car. __________________ 2001 Cobra 'Vert Procharged and Intercooled 455rwhp/441rwtq Work Car: 2005 Honda Odyssey 400 whp Turbo V6, 6-speed, full cage, H&R Suspension, Brembo Brakes

10-26-2005, 08:22 PM	#9
uvbnhad Friends Join Date: Mar 2005 Location: McCalla Posts: 1,241	Re: can a stock '99 GT bloack handle this? Kenne Belle and NX both go by a maximum of 450hp on a stock shortblock. Much more than that and you'll be picking up pieces of your motor off of the ground.

10-26-2005, 08:39 PM	#10
475HP '03 cobra Senior Member Join Date: Sep 2005 Location: Tampa, Florida Posts: 157	Re: can a stock '99 GT bloack handle this? so do you think even the blower alone would be safe cuz with it ans some simple other mods such as exhuast under drives and cold air induction i'll be pushing around 450 if not more