high altitude needles
Posted: Thu Feb 14, 2002 6:57 pm
Wolfgang, and all,
Living in Colorado, I have installed the lean (AP designation) needles in
the TC. Moss part No. 374-020. These replace the standard needle (ES
designation), Moss part No. 474-080.
I have driven the car using both sets of needles on some of our mountain
passes, as high as 12,183 ft with no problems. Just out of curiosity I wanted
to see the difference in carb settings. The lean needles are a better for all
around high altitude use, better mileage and performance, although those of
you visiting Colorado for the GOF in June will have no trouble in Durango,
elevation 6523 ft. using the standard needle. I don't know about the "rich"
needle...no personal data.
The acceleration at higher elevations is "leisurely" at best, but we
don't drive these cars for their high speed capabilities normally, right?
Make sure your cooling system is in top shape as well.
On Interstate 70 over Vail pass (10,600 ft) I usually slip the car in
behind a large truck with interesting bumper stickers and enjoy the sights at
a reasonable speed.
My best to all, Ben, TC 4260