PSI => (W)HP
February-3rd-2005, 12:47 PM
#2
The man behind the mask
Join Date: Oct 2003
Location: Birmingham, AL
Posts: 11,572
it depends on a lot of factors. It's safe to say between 8-12hp per psi assuming everything is equal across the board...there ar just a lot of factors involved.
charge temps, cfm/psi, tuning, etc
charge temps, cfm/psi, tuning, etc
February-3rd-2005, 04:29 PM
#8
Registered User
Join Date: Apr 2004
Location: Michigan
Posts: 1,164
A lot of the aftermarket turbos run around 6-7 psi of boost out of the box, and my understanding is that they fall into the (rough estimate) range of 170-180hp with no additional mods. On stock compression and calibration, it's respectable.
A stock MSP makes, what, 175hp on about 6 1/2 psi, so it's in the same league as the claims from the aftermarket companies.
As for electric SC, don't be fooled by false claims and a low price. With FI, you gotta pay to play. Figure around $3000-3500 for many of the turbo kits on the market. Currently, there are no SC kits on the market, but (hopefully soon) Matty will change that.
A stock MSP makes, what, 175hp on about 6 1/2 psi, so it's in the same league as the claims from the aftermarket companies.
As for electric SC, don't be fooled by false claims and a low price. With FI, you gotta pay to play. Figure around $3000-3500 for many of the turbo kits on the market. Currently, there are no SC kits on the market, but (hopefully soon) Matty will change that.
February-3rd-2005, 05:23 PM
#9
Awesome Member
Join Date: Jan 2004
Location: Pittsburgh PA
Posts: 3,186
Originally Posted by Stueck
whats wrong with an electric SC?
they tested it on and most of them showed a LOSS of HP.
Plus, it's a drain on your electrical system.
February-3rd-2005, 05:38 PM
#10
Moderator/ Pocket Tuner
Join Date: Apr 2002
Location: Tampa,Fl
Posts: 4,150
Originally Posted by juddz
A lot of the aftermarket turbos run around 6-7 psi of boost out of the box, and my understanding is that they fall into the (rough estimate) range of 170-180hp with no additional mods. On stock compression and calibration, it's respectable.
A stock MSP makes, what, 175hp on about 6 1/2 psi, so it's in the same league as the claims from the aftermarket companies.
As for electric SC, don't be fooled by false claims and a low price. With FI, you gotta pay to play. Figure around $3000-3500 for many of the turbo kits on the market. Currently, there are no SC kits on the market, but (hopefully soon) Matty will change that.
A stock MSP makes, what, 175hp on about 6 1/2 psi, so it's in the same league as the claims from the aftermarket companies.
As for electric SC, don't be fooled by false claims and a low price. With FI, you gotta pay to play. Figure around $3000-3500 for many of the turbo kits on the market. Currently, there are no SC kits on the market, but (hopefully soon) Matty will change that.
February-27th-2005, 08:14 PM
#12
Registered User
Join Date: Dec 2004
Posts: 14
I have found thru the tuning shops that we work with that a good estimate is 5% of your baseline hp per psi. BTW, that dosn't stack on top of one another. Example...
hp x .05 (to find your multiplier) x total psi = gain from boost
Then just add your baseline for the total. Some make more, some make less. This somewhat takes into account the rise in temp from boosting. Run a good intercooler and you should see close to these kind of gains.
hp x .05 (to find your multiplier) x total psi = gain from boost
Then just add your baseline for the total. Some make more, some make less. This somewhat takes into account the rise in temp from boosting. Run a good intercooler and you should see close to these kind of gains.
February-27th-2005, 08:18 PM
#13
The man behind the mask
Join Date: Oct 2003
Location: Birmingham, AL
Posts: 11,572
this is still NOT true. There are WAY more variables than just your starting bhp level.
fyi: The BEGi turbo kit with intercooler and haltech f10X (owned by Ken@protegegarage) made appx. 10hwp per psi. My WOMP supercharger with NO intercooler and haltech F10X made 13whp per psi. That's a 30% difference in power. Why is that if we are both using the same stock engine??
fyi: The BEGi turbo kit with intercooler and haltech f10X (owned by Ken@protegegarage) made appx. 10hwp per psi. My WOMP supercharger with NO intercooler and haltech F10X made 13whp per psi. That's a 30% difference in power. Why is that if we are both using the same stock engine??