Re: R/T difference Re: Jack

From: Jack Hilton (hemi@charter.net)
Date: Wed Sep 06 2000 - 09:42:29 EDT


I'll buy that for a dolla!

"Barret, Matt" wrote:

> I'm not gonna argue that Jack. But can you agree with me on this, my truck,
> with one modification (homemade air intake) pulled 285 to the RW's (no
> question there), If you figure 15% loss with the manual trans. (being
> conservative) that would be approx. 335 TQ at the FLYWHEEL , correct?
> 335 X .85 = 284.75 , Ok, its rated at 295, that means there is 40 ft
> lbs, unaccounted for, YES some came from my modification, but not 40 ft
> lbs!! probably not even 20 ft lbs, So as I have stated before, the 295
> figure is low, I would say more along the lines of 320 ish (stock flywheel
> TQ), there is not a 50 ft lbs difference in the two engines. I am not
> disputing the fact that the bolt ons for the 5.9L yield more power than the
> same piece on the 4.7L, I will soon find out the truth to this theory, I
> have already installed the Flowmaster Cat back 3" system and it yield only
> 1.9 rwhp, and NO torque gain, that is some evidence of this theory, but not
> enough to totally justify it, I have the Mopar Computer on order, and I am
> also considering the Borla headers, each piece will get dyno'd, and I will
> report the honest results.
>
> Also, interesting that Sam's BONE STOCK '00 RT ran a 204 @ 270 ft lbs. if
> you use the 20-22% loss you will get right around 345 ft lbs at the
> flywheel. and probably around 260 hp at the flywheel, Very impressive Sam!
>
> -----Original Message-----
> From: Jack Hilton [mailto:hemi@charter.net]
> Sent: Wednesday, September 06, 2000 8:24 AM
> To: dakota-truck@buffnet.net
> Subject: Re: DML: R/T difference Re: Sam
>
> Matt -
>
> Unless you have two identically equipped trucks with the same rear, the same
> gears, and the same tranny, only one 4.7 and one 5.9, then neither you or I
> can look to anything else other than the factory rated numbers.
>
> Jack



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