Quote:
Originally Posted by MrJTP
I believe the only difference between and IDAP3C and an IDAP3C1 is which side of the engine the carb is mounted on. The difference would be which end of the carb the throttle linkage is mounted to.
However, I could be wrong.
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all the webers I've seen, the '1' denotes driver's side.
I have two pairs of IDS. one set numbered 1057 and 1371. the other 2156 and 2471.
production numbers for '67 S were 2306 cars and '68 S were 1709 cars.
so, my thinking is that the first set would be mid- 67 production and the second early- 68.
I also have a set of IDAP3C number 443 and 452. pretty close. these would be very early '68 911 or 911L. I would expect that as production progressed the pair numbers would get further out of whack for a variety of reasons.
of course one can imagine the development and racing departments helping themselves to carbs anywhere along the line. but it would be good to see a numeric progression through the production run.
so, again, if your car has original webers please post your numbers.