Larry,
I believe that the UK/PI cars, including the TR5, have the twin pipe system.
I think I heard something about the single pipe manifold being better than
the twin pipe manifold. I also heard that the headers are only a marginal
improvement over stock. You need to have a VERY improved engine to
take full advantage of the headers. All of this is stuff I think has been
said
on the list over the past few years.
>From: LaJoMor@aol.com
>The 250 and the TR6 through 1971 had the single exhaust manifold /down
>pipe/intermediate pipe all the way back to the muffler. Exiting the muffler
>were two pipes. My 250's downpipe was 2" in diameter reducing to 1 3/4"
>intermediate pipe.
>
>I believe it was 72 when they went to the two-pipe manifold/down pipe system
>JMTCW...
>Larry M
>TR250 rising from the pieces in Colorado
>
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Brian Borgstede !
Distance Learning Engineer !
University of Missouri - St. Louis ! '68 Triumph TR-250
Phone: (314)516-6433 ! (or two or more)
Fax: (314)516-5294 !
Email: borgstede@umsl.edu !
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