RE: [alfa] single-row timing chains

["Watry, Andrew (LNG-SFR)" <Andrew.Watry@xxxxxxxxxxxxxx>]

Not knowing the first thing about the mechanics of it, I nonetheless agree
with Jason's assessment, and I'd wager it's an expensive 8-10 HP, if you can
get it, if you have to change all the sprockets.  If you can just use a
single chain on the existing sprockets, I suppose it would be worth trying.

Andrew Watry

-----Original Message-----
From: Brian Shorey [mailto:bshorey@domain.elided] 
Sent: Monday, November 08, 2004 11:02 AM
To: 'Watry, Andrew (LNG-SFR)'; alfa-digest@domain.elided
Subject: RE: [alfa] single-row timing chains



Well, given that it was I that started this thread a while back..

The motivation is a not-insignificant gain in power, measurable on a dyno. I
think it was in the range of 5-10 hp on a 1600 motor.  And the associated
comment was that there was no drop in reliability.

The source was a letter from Dr Tenney to Pat Braden, quoted in Pats last
book.  Dr Tenney's comments were to the effect of looking for ways to reduce
losses in the motor, as opposed to ways to increase HP.  He mentioned three
things in particular, removal of the mechanical fan, single row timing
chain, and removal or modifications to the alternator.

Fwiw,

bs

bs
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