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08-14-2009, 01:36 PM
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#1
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supercharger for stock 4.6... just curious
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Registered User
Join Date: Aug 2009
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local mechanic told me he could get me a s/c for a $x and i just got to thinking if a stock 4.6 2v motor will hold up? i mean the saleens have them... and if i was gonna put one on would i need to go with the PI heads or whut?
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08-14-2009, 01:50 PM
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#2
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Re: supercharger for stock 4.6... just curious
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15.3 Second V8 Killer Yo
Join Date: Aug 2004
City: Baton Rouge
State: Louisiana
Posts: 11,607
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What year is your car? You may already have the PI heads.
Yes, the stock internal will hold out up to a point...but that level is really dependent on the quality of your tune. Some have managed to get stock internals to hold 12-14 psi with a really good tune. Others have had them let go at the same levels.
__________________
Official Mustang Evolution Lake George Meet 2009
2.2L KB Supercharger, 4#, Billetflow Single Blade TB, JLT Carbon Fiber RAI, Nazty Performance Ported Lower Intake, Bassani Midlength Headers, O/R H-Pipe, Borla Stinger Catback, Tuned by RWTD --- Numbers coming soon...
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08-14-2009, 05:39 PM
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#3
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Re: supercharger for stock 4.6... just curious
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IMPORTS SUCK
Join Date: Jan 2009
City: flora
State: Illinois
Posts: 1,177
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I'm building a n/a stoker and i'm even getting forged internals. I recommend the same to you. |
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08-14-2009, 06:27 PM
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#4
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Re: supercharger for stock 4.6... just curious
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15.3 Second V8 Killer Yo
Join Date: Aug 2004
City: Baton Rouge
State: Louisiana
Posts: 11,607
Thanks: 1
Thanked 76 Times in 71 Posts
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You don't race your car, you can't be giving advice.  
__________________
Official Mustang Evolution Lake George Meet 2009
2.2L KB Supercharger, 4#, Billetflow Single Blade TB, JLT Carbon Fiber RAI, Nazty Performance Ported Lower Intake, Bassani Midlength Headers, O/R H-Pipe, Borla Stinger Catback, Tuned by RWTD --- Numbers coming soon...
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08-14-2009, 08:14 PM
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#5
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Re: supercharger for stock 4.6... just curious
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I fell off a truck
Join Date: Jun 2007
City: South of the Turnpike
State: New York
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According to Kenne Bell the stock 4.6 is good for 450HP. Anything more will require forged internals. Taking into account KB's product a stock 4.6 with a KB brings you to about 350HP, I want to say. Given at 6-9psi, anything more you will need forged internals. Getting ported heads and extensive mods even at 6psi may require forged internals.
Don't take this too literally though but it may help get you started and a general idea as to what you can do.
__________________
2002 Mustang GT 
BBK CAI - Flowmaster Catbacks - Pro 5.0 Shifter
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08-14-2009, 09:12 PM
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#6
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Re: supercharger for stock 4.6... just curious
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Brevior Est Vita
Join Date: May 2004
City: Iowa City, IA
State: Iowa
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450*... and that isn't at the wheels.
__________________
2002 Sonic Blue GT, 5 Speed
Mods: MGW Short Throw Shifter, Mach 1 Brakes
Black FR500's, Eibach Pro-Kit, Bilstein shocks/struts, Borla Exhaust, Steeda Wing, Cobra R hood, Cobra mirrors, Terminator Front Bumper, smoked fogs/headlights, Tail-light Tint, Terminator side skirts, Grill Delete, Mach C-pillars, hood shocks
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08-14-2009, 10:28 PM
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#7
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Re: supercharger for stock 4.6... just curious
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I fell off a truck
Join Date: Jun 2007
City: South of the Turnpike
State: New York
Posts: 1,432
Thanks: 13
Thanked 45 Times in 39 Posts
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Yeah, sorry I should of said 450 at the crank.
__________________
2002 Mustang GT
BBK CAI - Flowmaster Catbacks - Pro 5.0 Shifter
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08-14-2009, 11:57 PM
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#8
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Re: supercharger for stock 4.6... just curious
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IMPORTS SUCK
Join Date: Jan 2009
City: flora
State: Illinois
Posts: 1,177
Thanks: 27
Thanked 18 Times in 18 Posts
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08-15-2009, 01:32 AM
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#9
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Re: supercharger for stock 4.6... just curious
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Registered User
Join Date: Aug 2006
City: New Berlin
State: Wisconsin
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i did it and i love it, but mine is a vortech |
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08-22-2009, 10:43 PM
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#10
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Re: supercharger for stock 4.6... just curious
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Registered User
Join Date: Aug 2009
Posts: 41
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wow 12- 14 psi! cool cool thanks for the input but i think i may go with a 5.4 swap... my goal for my car is to reach 400 hp give or take... and i think i may be better off to just buy a 5.4 and rebuild it how i want, get everything i need to do the swap with and dooet tooet ya know... from what i have read the 5.4 swap is relatively simple considering u can use your stock ecu and such... but my bank accout is a LOOONNNGGG way off from doin this but from now till i do it i can still day dream |
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08-22-2009, 10:45 PM
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#11
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Re: supercharger for stock 4.6... just curious
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Registered User
Join Date: Aug 2009
Posts: 41
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btw i have a 98 gt... a year short of the PI stuff |
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08-23-2009, 03:57 AM
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#12
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Re: supercharger for stock 4.6... just curious
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Registered User
Join Date: Aug 2009
City: Kennesaw
State: Georgia
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i have a 95 mustang with a 98 gt motor and i have a procharger on mine running 12psi of boost but im changing the pulley to a 3.44(10lb) to lower the psi just to be safe but i have heard that a stock motor can handle 12psi up to 15psi but like i said im being safe about it cause i dont have the money to be spending to repair it if something was to happen. |
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