Re: TECH: HP at the crank...

["I.Mannix" <mannix@privatei.com>]

>Date: Fri, 14 Mar 1997 08:18:48 -0700
>To: Chris Taylor <chtaylo4@vt.edu>
>From: "I.Mannix" <mannix@privatei.com>
>Subject: Re: TECH:  HP at the crank...
>Cc:
>Bcc:
>X-Attachments:
>
>>Just wondering...
>>
>>Ya know how HP at the crank and HP at the wheels is different?  ANd there is
>>some proportion?  DOes it vary from car to car, or does only vary for FWD
>>vs. RWD?  If it's FWD vs RWD, would the FWD have a better proportion (thus
>>giving us the upper hand over 'stangs), since it goes thru the tranny right
>>to the halfshafts, rather than to a U joint in the rear of the car?
>
>Varies from car to car, not only model to model, but using a correction
>factor of 19% for a Rabbit GTI is an approximation.  My car is getting
>dynoed next week (was supposed to be this morning, but no....), and I
>believe we're using 21% based on something - I'll ask more about it then.
>We're also going to correct for altitude, as the dyno is at 6000'.  So.
>Now, as far as having the "upper hand" over Rustangs, well, no.  Let's not
>forget how fast 5.0s  are in a straight line.  IMHO, if you (any of you)
>beat a Mustang off a light, he was doing something wrong, or the only"5.0"
>he had were badges on a 2.8 car.  What, they're 7 second 0-60 cars out of
>the box?  Shrug.  I don't know, maybe some silly built engine could stand
>a chance.  Doubt it.  Post event, a competitor and I were having drags to
>see whose car was faster (my car vs ITB Rabbit, virtually the same, FWIW),
>and a Camaro driver came by to show us which was was up.  3rd gen Fbody, F
>Stock, 350, probably has a K&N/catback, umm, let me just say that I *KNOW*
>a *properly driven* bitchen Camaro can SMOKE my GTI.  My GTI keeps up with
>a moderately hotrodded 2.0 16v locally.  (ProSolo starts, we were even at
>the end of the first straight, top of second gear).  Mustang 5.0s are
>direct competitors with Camaros.  The Camaro ate our Rabbits for lunch.
>No contest.  I'll get an FS 5.0 driver to drag me after the next event,
>just to see - typically, it'll be to the top of third in my car.  75ish.
>
>my car - 1.8 JH, K&N filter, Neuspeed tb(no spacer), ported intake, stock
>cam, header, no cat, Flowmaster/big pipes, Secret ignition, timing set
>"right," etc.  The IT car I raced is legal IT, 8k miles on the engine - my
>GTI is a pretty good example of the JH/modifications - I know my car is
>not unusually slow.  Anyhow........
>
>
>
>Mannix
>
>






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