I strongly suspect that the â??Constant Depressionâ?? design of the SU and ZS
carbs compensates for altitude a fair amount. So, the mixture is probably
going to be reasonably good.
What you cannot compensate for is the fact that there is just less air up
there. You will get fewer HP up at high altitude.
Now, a nice turbocharger (aka Turbosupercharger, which seems like a cooler
name) would help that. :)
-Tony
Sent from my 1837 Babbage Analytical Engine
> From: Dave Connitt <dconnitt@fuse.net>
> To: Triumphs <triumphs@autox.team.net>
> Subject: [TR] Travel and tuning question
> Message-ID: <F4542DD9-3BA7-4684-8DBB-C189C5AB6717@fuse.net>
> Content-Type: text/plain; charset=utf-8
>
> Hi all,
> This coming summer my wife and I are planning a fairly long trip in my TR4A
> leaving from Cincinnati, Ohio (altitude approximately 500?). Our first
> destination is going to be Colorado Springs, Co. to drive up Pikes Peak
> (altitude approximately 14,115?). Then north to Mt. Rushmore (altitude
> approximately 5,700?), then north to drive through Yellowstone national park
> (altitude approximately 9,200?). That?s going to be quite a swing in altitude
> and I am wondering if I will have to occasionally tune the SU HS-6 carbs? Has
> anyone on the list done a similar drive? If so, how did your Triumph run and
> what did you have to adjust?
> Thanks in advance!
> Dave Connitt
> ?67 TR4A-IRS
> DavesTR4A.com
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