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Here's the dyno results for my 331 that's in my 93 Mustang Cobra.

DSS 331 Short Block

AFR 185 non-emission heads w/upgraded springs and titanium retains

10.8 to 1 compression

Comp Cams XE274HR cam

Holley EFI Intake

30lb. injectors

255 LPH fuel pump w/ 100 octane Sunoco GT100

Pro-M Bullet Air Meter

70mm Throttle body

BBK 1 3/4" Dia. full length headers w/2 1/2" Bassani X-pipe and Mac Pro-Dumps

TKO w/3.73 gears

Baseline run was 345 RWHP.

Custom SCT tune by Jerry Wroblewski netted 380 RWHP/380 RWTQ.

Chart shows 375 RWHP, this was the last run as timing was being added 2 degrees at a time.

http://pg.photos.yahoo.com/ph/tcgrmt/detail?.dir=897b&.dnm=4c4b.jpg&.src=ph
 

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That's near 450hp/tq at the flywheel, awesome work!

Can't wait to get my 347 going and see how it does.

Cris
 

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Dang that's nearly 395HP at the crank with a T5. Not bad!
 

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On 2006-10-02 20:31, allenman85 wrote:
Dang that's nearly 395HP at the crank with a T5. Not bad!
Hmm, did I miscalculate that? lol. I started around 475hp and subtracted down 15% until I reached his numbers lol. T5/8.8's about 15% horsepower loss correct? Even adding 15% to his number I still come up with like 435+ hp or so.

Hmm....
 
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