Over the past couple of months, I have finally gotten started on the
restoration of my TR250. I have had this car since it was new. It is
very nearly in original condition, because I never had the money to
modify it back when I wanted to. Since I plan to keep it fairly
original, the FoT is probably the wrong group to be talking to. So,
where do the 6 cylinder guys hang out?
'68 was the first year the emission laws started to take their toll on
performance, as evidenced by the TR5 vs TR250. I would like to make it
perform better, while keeping a stock looking engine appearance. I'm
thinking along the lines of the 125 mph car that Kas did for publicity
back in the day. My thoughts at this point are to increase the
compression to the limits imposed by pump gas. Change to a longer
duration cam, i.e. more like the early PI cam. I'm not sure how to tune
the nonadjustable carbs when the engine is modified. I was also thinking
about getting rid of the wacky ignition retard, but continuing to use
the vacuum advance. Does anyone have any suggestions on how I can
accomplish my goal within the limits I've imposed?
I have an old Cam Doctor that I have used to look at several TR3/4
cams. I have a fairly popular webpage on those cams at
www.TildenTechnologies.com. .As part of this effort, I'd like to do some
research and a similar page for 6 cylinder cams. Does anyone have an
early PI cam that I could borrow to analyze for this effort? Or,
perhaps other street performance cams?
Thanks,
Larry Young
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