Re: Actual Top Speed of an R/T

From: mrdancer (mrdancer@camalott.com)
Date: Mon Mar 29 1999 - 07:41:12 EST


Can you calculate that stuff for the older-style Daks? I mean the 92-96
Daks with the flush headlights, I've heard they are about 6 inches narrower
than the newer body style.

btw, I understand the new Intrepid has a Cd of 0.29 - same as the old
Plymouth Superbird.

'92 Dak CC 2wd 318 3.55
'84 GoldWing Interstate

----- Original Message -----
From: Craig Baltzer
> Well I think 138 is just a touch optimistic, or if they really tested
> it, then they had a very, very, very strong engine. I just ran a few
> numbers through CarTest, which is pretty bang on with most mags test
> results. I didn't have the CD for the truck, but in order for it to
> reach 138MPH it would need a CD of .34, which is better than a Corvette
> :-). I'm guessing that it has a CD of around .40 to .45, in which case
> 120-125 is the top end. I used the frontal area and ground clearance
> numbers for an R/T (just happens to be one in my parking garage just
> made a quick trip downstairs with my tape measure :-), as well as the hp
> and torque specs for the 5.9 with a 3.92 rear end. Speed drops off a
> couple of MPH with the 3.55...
>
> Gotta remember that while the trucks may be quick off the line, they are
> bricks. Also increases in top end require exponentially more power, so
> if 50hp gets you 20mph on the top end, 100hp won't get you 40mph.
>
> Craig
>
> -----Original Message-----
> From: Bert.W.Loy-1 [mailto:Bert.W.Loy-1@ou.edu]
> Sent: March 28, 1999 11:52 PM
> To: dakota-truck@buffnet.net
> Subject: Re: DML: Actual Top Speed of an R/T
>
>
>
>
> This doesn't pertain to R/T's completely but it might help out a
> little. I read
> in a book that the top speed of a reg.cab 318/5-spd would reach a
> topspeed of 138mph
> if it weren't for that stupid governor! For the six-cylinders, it was
> 134 or 135??
> Can't remember. Anyone try to tackle the govenor problem?
>
> Bert Loy
> 97' blck Dak/318/5-spd/3.55 posi
> MSD wires/coil
> Bosch Plat. gapped to .05
> Edelbrock Headers
> Flowmaster muffler
> 14x3 K&N
> JET chip
> Lakewood traction bars



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