Date:         Mon, 7 Jun 1999 10:08:22 PDT
Reply-To:     vwvanman@EXCITE.COM
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Robert Lilley <vwvanman@EXCITE.COM>
Subject:      Re: RECIPE FOR PERFORMANCE
Comments: To: Sudhir Desai <desa4622@KETTERING.EDU>
Comments: cc: vanagon@vanagon.com
Content-Type: text/plain

> >      Just wondering how overdrive 5th has increased you highway gas
milage.

My actual overdrive is .70.  I think that the .77 would be a better ratio,
dropping the rpms @600 less than stock gearing if you are keeping the stock
five speed gearing(This gives you a little more power at 55, since the
engine revs more ). If you change the stock five to the stock four gear
ratios, then have the .70 as a highway cruise gear for above 60mph.

It keeps the engine in the power band of the engine  '3000 to 5600 rpms'
MPG is 22 to 26mpg.  I still have a few adjustments til the final amount but
it should increase when it is all dialed in.  I am adding an adjustable fuel
pressure regulator. I plan to increase fuel pressure one or two psi similar
to increasing the jet size on a carb, plus the regulator will better react
to pressure changes than stock.

Robert




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