10v -> 20v -> 20vt

[Jason K Gray]

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 Sure it would start at 6.5:1 CR. Some of the early air cooled VW engines u=
sed similary low CR, granted they only made like 28hp from 1200cc but certa=
ily would run. A lot of the pre-WW2 aircraft engines used compression ratio=
s of down to 5:1 to avoid detonation with the low octane fuel that was avai=
lable at the time.
 With modern gasoline, there is probably little good reason to go with comp=
ression ratio below 8:1 on a street driven turbo engine, otherwize the unbo=
osted throttle response and cruising efficiency go way down.
-Jason Gray
Anchorage



>i dont think it would start on 6.5:1, let alone run....................
----- Original Message -----
From: <JShadzi at aol.com>
To: <mswanson at mswanson.com>; <ssgacc at yahoo.com>
Cc: <quattro at audifans.com>
Sent: Wednesday, November 21, 2001 3:25 PM
Subject: Re: 10v -> 20v -> 20vt

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