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-   -   Max power (https://saleenforums.soec.org/showthread.php?t=12282)

Gearhead 03-03-2012 10:14 PM

Max power
 
Any one know what our car's (420 s) max horsepower (safe) are able to put at wheel's, some tuner's are telling me 480-490 another is saying 530-550 on stock long block.

OneQwkStang 03-03-2012 10:51 PM

There is no set max rwhp number, an engine could grenade at the stock HP. However most will stay at or under 500 rwhp while others will run above 500 rwhp. You will hear more guys grenading their engines above 500 rwhp then under 500 rwhp. A good tune and proper fuel is the key.

Gearhead 03-03-2012 11:15 PM

Thanks oneqwkstang

Nightstalker 03-04-2012 01:20 AM

I wouldn't push past 480 to be safe, but like has been stated in the earlier post. You just never know.

panohodges 03-12-2012 08:32 PM

I have an 09 420S. Its a convertible and it has the 475hp upgrade. It has a 3.4 pulley and I had it dynoed and retuned on Friday last week. It made 466rwhp and 454 lbs of torque. I am going to be upgrading to the gt500 dual fuel pumps in the next 2 weeks.

panohodges 03-12-2012 08:36 PM

Here is the ustream link for the dyno.

Go to 28:32 in video to see the dyno pull

http://www.ustream.tv/channel/prodyno-dyno

OneQwkStang 03-12-2012 09:05 PM

Don't think that video is of your Racecraft.

panohodges 03-12-2012 09:24 PM

Your right...sorry it seems they changed the link when they added their next video.

This link should work:

http://www.ustream.tv/recorded/20987057

panohodges 03-12-2012 09:27 PM

Dyno- video: It is 2009 not a 2008. We had my wife's car there too which is an 08. He must have added in the wrong year.


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