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Author
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Topic: how much boost?
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badazlx
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Member # 4899
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posted
 
 
i have an 89 saleen. i have a paxton supercaharger for it. the motor is stock besides headers,24 pound injecters and maf,throttle body and a e303 cam. i was wonderin how much boost i could run on my motor? the motor has 89,000 easy miles on it. and how much power will i be makin and what kind of 1/4 times could i turn? thanks guys!!!
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03 mach bolt ons/125 shot
Posts: 911 | From: roseville | Registered: Sep 2004
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166 Merlo
FELONY
MOTORSPORTS
Member # 1549
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posted
boost doesn't break shit, horsepower breaks shit. How much boost can the lil paxton make? 8lbs?
blocks crack at exactly 501 horsepower ![[Wink]](wink.gif) , so you can boost up to as many pounds as it takes to make it there, and you'll still be okay - for a lil while.
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'89 - Boss Coupe
'70 - Drop Cutthang
'68 - Cougnut
'87 - 0166, Its real
Posts: 3954 | From: Thebay | Registered: Jul 2002
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166 Merlo
FELONY
MOTORSPORTS
Member # 1549
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posted
i'd guess around 20 lbs of boost on that stock motor... if that's even possible??
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'89 - Boss Coupe
'70 - Drop Cutthang
'68 - Cougnut
'87 - 0166, Its real
Posts: 3954 | From: Thebay | Registered: Jul 2002
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badazlx
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Member # 4899
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posted
the blower is built the lowest i can run is 6 pounds. i can run 12-15 easy without over workin it. but another thing is im not gonna be running a after cooler either.
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03 mach bolt ons/125 shot
Posts: 911 | From: roseville | Registered: Sep 2004
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Blue97GT
New Member
Member # 4241
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posted
Id sell the paxton and get a vortech. ![[Razz]](tongue.gif)
Posts: 0 | Registered: Mar 2004
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Jeff S
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Member # 371
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On the stock motor with 91 octane you are limited to probably 12psi MAX. If you were to try and push 20psi it would not only detonate serverly but you would probably crack the heads.
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'90 Mustang LX: 8.53 @ 157.92 w/ 1.33 60' on DR's
'10 ZR1: FOR SALE
'14 E63 S: RENNtech ECU
'04 Gallardo: UGR TTG
Posts: 2121 | From: San Jose, CA | Registered: Aug 2001
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gt40
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Member # 3587
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posted
you will need an inter cooler anything over 12 lbs. of boost.
Posts: 357 | From: n/a | Registered: Oct 2003
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306Coupe
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Member # 4988
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posted
I heard the same. With stock internals 12lbs should be max, unless you want to buy a new engine soon.
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1987 Coupe- Not stock
Posts: 2039 | From: Rocklin | Registered: Oct 2004
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badazlx
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Member # 4899
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posted
i have an f cam layin around would it be a good choice for this set up? and would i have piston valve clearence problems?
[ December 30, 2004, 09:44 AM: Message edited by: ranger guy ]
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03 mach bolt ons/125 shot
Posts: 911 | From: roseville | Registered: Sep 2004
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FasterDamnit
Bad Attitude
Member # 442
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posted
Tell us which blower. Paxton makes several for the mustang.
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'92 LX T5
Looked stock, went 11's 11.90 at 115mph.
'65 Mustang 347
www.fordmuscle.com
Livin' in the Carolina Pines
Posts: 2971 | From: NorCal | Registered: Sep 2001
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Blacked-out-GT
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Member # 2544
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posted
quote:
Originally posted by Jeff S:
On the stock motor with 91 octane you are limited to probably 12psi MAX. If you were to try and push 20psi it would not only detonate serverly but you would probably crack the heads.
EXACTLY! You'd be lucky to see 12 "safely". If you want to keep that motor, I wouldn't push it past 10.
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-built to run
Posts: 939 | From: Vacaville by way of Texas | Registered: Mar 2003
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Blacked-out-GT
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Member # 2544
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posted
quote:
Originally posted by gt40:
you will need an inter cooler anything over 12 lbs. of boost.
Would the Alky injection system from Snow performance be about the result as a inter or after cooler?
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-built to run
Posts: 939 | From: Vacaville by way of Texas | Registered: Mar 2003
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white1990stang
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Member # 2307
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yes run the f-cam. i love it in my blower car. i dont know if you can run 1.7's with it or not. im runnin 1.6's. anyone know if it would be ok to run 1.7? cause if i could i would switch mine out
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You must be fast, cause I was haullin ass when I passed you.
Posts: 1308 | From: martinez | Registered: Jan 2003
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cvr 5.0
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Member # 2962
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posted
you can only push the 24 pound injecters so much "isn't 6 pound pushing it?"
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-89 MUSTANG 5.0 lx vert (sold as of 2-10-08 for $8K)
-Ford F-100 with blown chevy 502
2004.5 dodge ram, 500hp and 1100tq
-84 yoda on 39s
Posts: 977 | From: Fremont ,ca | Registered: Jun 2003
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89saleen
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Member # 3083
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posted
If your Paxton is a SN series, you would be lucky to see 5#s outa that- but I figure your combo with 9#s would be fine. Just make sure you are not running lean and your gaskets should hold. ![[Smile]](smile.gif)
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Its over Johnny-
Posts: 316 | From: Palo Alto | Registered: Jul 2003
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89saleen
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Member # 3083
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posted
quote:
Originally posted by Blue97GT:
Id sell the paxton and get a vortech.
![[patriot]](graemlins/patriot.gif)
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Its over Johnny-
Posts: 316 | From: Palo Alto | Registered: Jul 2003
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badazlx
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Member # 4899
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posted
the blower is a sn92 but it has 0 miles on the rebuild, and it has a different impeller and pulley equling out to 12 pounds. and if i put that f cam in will i have piston/valve clearence issues? im running the stock heads?
[ January 03, 2005, 09:22 AM: Message edited by: ranger guy ]
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03 mach bolt ons/125 shot
Posts: 911 | From: roseville | Registered: Sep 2004
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89saleen
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Member # 3083
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posted
Ive had three SN Paxtons & yes they are good reliable superchargers- last long time, but 12#s no matter how you pully it is pretty optimistic IMO.. especially once they get hot, but I could be wrong. On the F-cam I am not sure about clearance issues, but you wouldnt see much power gain untill you upgraded the heads. Oh, and they make a cooler kit for the SN series that fits into the dipstick hole with a little radiator to cool the ATF that seemed to help for me. My SN would get hot and cause me to ping and run like dukie.
[ January 03, 2005, 09:47 PM: Message edited by: 89saleen ]
Posts: 316 | From: Palo Alto | Registered: Jul 2003
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badazlx
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Member # 4899
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posted
cool thanks for the info, do you know were i could get my hands on one of those coolers?
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03 mach bolt ons/125 shot
Posts: 911 | From: roseville | Registered: Sep 2004
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89saleen
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Member # 3083
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posted
They discontinued the SN series in 2000, and Paxton dosent offer any type of support/parts for them whatsoever so I doubt they would still be selling that cooler. Now, Paxton referrs you to a company called Paradise Wheels in San Marcos, Ca. that is the ONLY place that will rebuild or service those units now. They proably have something like that or would know how to get it. Im assuming that is the place that rebuilt your SN-92 unless you found a turbo shop or someplace that would do it.
One more thing- all three of the units Ive had leaked ATF into the discharge tube- even after a rebuild! Check periodicly your plastic discharge tube for wetness from ATF blowby. They all do it. Just a matter of time. ![[dance]](graemlins/dance.gif)
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Its over Johnny-
Posts: 316 | From: Palo Alto | Registered: Jul 2003
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BlowN67
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Member # 4229
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posted
quote:
Originally posted by ranger guy:
cool thanks for the info, do you know were i could get my hands on one of those coolers?
I got this bro an the 8lb pulley lmk ![[burnout]](graemlins/burnout.gif)
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AIM gonein67 JOHN
* californiafords.com
* corral.net
* foureyedpride.com
* yellowbullet.com
* theturboforums.com
Posts: 9809 | From: Home of LARD | Registered: Mar 2004
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