Re: New 4.7L dyno numbers, 280 hp

From: steve preston (steve239dak@yahoo.com)
Date: Mon Jul 15 2002 - 22:31:05 EDT


Good information to know,Matt. Thanks. Steve P.
--- "Barret, Matt" <MATT_BARRET@earthtech.com> wrote:
>
> I just got back from Carlisle Chrysler Nationals. I
> pulled the dyno in the
> Mopar Muscle dyno shootout. This time I removed my
> Clutch fan and used a
> short belt to bypass the alternator and the Power
> Steering pump. My new peak
> numbers are as follows:
>
> 238 RWHP @ 4400
> 304 RWTQ @ 3600
>
> Using a 15% drivetrain loss this equals
> 280 Crankshaft HP
> 350 Crankshaft TQ
>
>
> This is a peak increase of 8 HP and 14 Ft lbs TQ
> And a Max increase of 14 HP @ 4200 and 18 Ft. Lbs TQ
> @ 3200.
> just from removing the fan and using the short belt.
>
>
> I have a .xls spreadsheet available comparing my
> stock engine vs. current
> engine with and without the fan removed and short
> belt, if anyone would like
> to see it. The peak numbers don't do justice to
> what is actually gained
> over stock.
> email matt_barret@earthtech.com
>
>
>
> MODS:
> Mike Leach PCM, 72mm F&B TB, HO cams, HO intake,
> Flowmaster 3", gutted 3rd
> cat, IAT adjuster, Homebrew air intake, Mobil 1,
> Clutch fan removed, Short
> belt.
>
> Matt Y2K-HEMI
> '00 RC 4.7L 5spd 3.92
> 14.23 @ 94.49 (before recent mods

=====
2001 Dodge Dakota 4X4 Sport RC,Flame Red/4.7L V8/45RFE auto/3.92 limited-slip/16" aluminum wheels/Infinity CD-cassette system.

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