Re: Throttle Body Challenge

From: Bernd D. Ratsch (bernd@texas.net)
Date: Mon Dec 13 1999 - 16:56:10 EST


I totally agree with you Cale...It sounds like a good set of guidelines to
follow.

- Bernd

At 03:41 PM 12/13/1999 -0600, you wrote:
>I'd like to throw in a few ideas about this potential test:
>
>-should use the SAME truck for all testing. This eliminates countless
>variables due to the subtle differences from one truck to the next. Now
>that this piece is in place....
>-what truck should we use? I think Jon Smith recommended a 5 speed, and
>I agree with that. Also, what combination should we use? Stock
>ignition, airbox, IAT location, etc, etc, etc? I would suggest using a
>cold air setup (Quick-D, K&N Gen 2, or equivalent) as I think most of us
>who want a TB are going to go this route.
>-If possible, it would be nice to select a V-6 and a 5.2 V-8 to cover
>most of the DML members. Adding an RT would be sweet as well.
>-A "driving impression" report should be submitted near the end of the
>computer re-learning week on all of the non-quantifiable data (throttle
>responsiveness, neat whooshing sounds, aesthetics, etc)
>-Not that I don't trust the "Big 4" TB guys, but the units should be one
>that was bought off the shelf by one of us guys, not supplied directly
>by the manufacturer. This will avoid any special one-off ultra flow
>units with additional trickery. There are countless examples of this in
>performance tests: an automaker gives a car mag a tweaked example which
>proceeds to turn in unreal performance numbers, thereby making the test
>a farce.
>
>What I have suggested is going to take a span of 3 weeks to complete per
>truck. I know that it's slower, but it is more accurate this way. Sorry
>for the long post, and please feel free to disagree with this test
>protocol.
>
>Cale Bargen
>98cc318sporty, un-keyed.



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