Hi Barry,
I don't know if You're addressing me in your question. But I run the BAE
Needles used as a fixed Needle.
I run them in my HS6's with K&N's non EGR Manifold and ANSA Exhaust with just
the Pertronix and Lucas Sport Coils.
Still have the Low C/R Head on it and I didn't even shave it while I had it
off. It loves 87 Octane with 10 degrees Advance with
Vacuum Retard plugged.
I myself don't understand the emphasis people are putting on the Springs
when You consider the Weight of the Piston itself
another 3.5 oz's in Spring rate isn't exactly choking it off. Imagine the
bumps we go over and the inertia doesn't slam these pistons shut.
Between the Red and yellow I haven't noticed any difference, I get 24 mpg on
87 on the back roads to work with my non-overdrive 75 TR6.
Wayne
From: Btp44@aol.com
Sent: Wednesday, December 02, 2009 5:08 PM
To: wayne@motorcarriage.com
Cc: 6pack@autox.team.net
Subject: Re: [TR] zenith or su's ?
I have been following this thread with much interest (and amusement). I have a
TR6, early PI cam, 9.5 cr, dual exh, and K&N air filters. Moss UK reccomends
BAE needles with 8oz springs. I am using BAG needles,which are slightly leaner
than BAE from #3-#6, but are richer from #6 to the end. The leds and the af
meter (narrow band) all go out at about 2200 rpm in 4th and the plugs are
quite light in color. Performance seems ok with no lean miss. I haven't
detected any difference between the red or yellow springs on the af meter.
Anyway, what needle are you using?
I also was curious about piston lift under load and used graduated rods in the
dash pots with a cable operated digital camera to snap some photos at various
speeds. The things we do for entertainment in retirement.
Berry Price
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