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911st 911st is offline
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Join Date: Jan 2004
Location: Sacramento
Posts: 7,269
I like these threads as they let me spit ball so to speak and it helps me learn.

I am starting to think that instead of trying to replace 2 or 3 gears in a 930 or putting in a shortened G50, just putting in a lower R&P might be a cost favorable way toward a significant improvement. (Nothing new, others have been doing for years. Just know I better understand what is happening.)

If a stock 930 is as follows:

2nd, 2700rpm at 53 mph
3rd, 1900 at 94 mph
4th 1800 at 137mph
red line at 197 mph.

To something like this:
42mph
75mph
109mph
157mph

Full boost if at 3500rpm would move from 27mph to 21.5mph.

If full boost is then dropped to 3000rpm it would come in at about 18mph.
Old 02-28-2010, 11:05 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #24 (permalink)