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2008-2009 Racecraft Mustang For discussion of the 2008-09 Racecraft 420S Mustang. Owners of the 2007-08 "Sleeper GT" can also find help here.

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Old 10-19-2013
Phil in OKC Phil in OKC is offline
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Default Q: How to visually detect the 475hp option?
I'm shopping for a 2009 420S. How can I visually detect whether a car has the 475hp option if the seller doesn't know and has no paperwork to determine the matter?
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Old 10-19-2013
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Jim D. Jim D. is offline
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Originally Posted by Phil in OKC View Post
I'm shopping for a 2009 420S. How can I visually detect whether a car has the 475hp option if the seller doesn't know and has no paperwork to determine the matter?
From the factory, the Racecrafts had no upgrades.
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Old 10-23-2013
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I could be mistaken, but the 465 and the 475 "kits" were the same except for the tune (that may be a debate as well).

The only two differences I can recall between the 2008-09 Racecraft and 2008-09 S281 S/C are...

1: Bottom of the stock airbox was not cutout on the Racecraft.
2: The Racecraft ran OE Ford Motor Company mufflers.

Someone that owns one of these vehicles may have more details.


The "old" Saleen S/C upgrade kits were marketed towards owners of 2005 & 2006 S281 S/C editions and people that purchased the Series VI in the aftermarket during 2005 & 2006.

The 2007-09 S281 Supercharged cars have the physical content (intake, pulley, injectors) from Saleen... though the tunes may be different (may).


I could be mistaken.
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Old 10-23-2013
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wiggywigton wiggywigton is offline
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Blue injectors are a good sign that the SC has been upgraded
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Old 11-02-2018
jayburke jayburke is offline
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Quote:
Originally Posted by Phil in OKC View Post
I'm shopping for a 2009 420S. How can I visually detect whether a car has the 475hp option if the seller doesn't know and has no paperwork to determine the matter?
the 475 upgrade is the shaker hood larger mass air flow and injectors and re tuned or calibrated computer sent into saleen my car has that
option
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Old 11-02-2018
jayburke jayburke is offline
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Originally Posted by jayburke View Post
the 475 upgrade is the shaker hood larger mass air flow and injectors and re tuned or calibrated computer sent into saleen my car has that
option
I made a mistake last quote 475 upgrade if im not mistaken shaker is 65 horse makes it 485 horsepower
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Old 03-19-2019
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lenko lenko is offline
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The 475 hp makes 6 lbs of boost and the S/C pulley size is 3.87. You will need a set of calipers to get that measurement.
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