The closed chamber heads are often refered to as kidney shaped heads which
also offer an increase in compression compared to an open head which has
less.The open heads L 20( )have bigger ports , bigger valves & they
flow better standard than a stock L 16 or L 18 head. Your best option if you
can afford it is to get a L 16 or L 18 (A87) head port it,put larger vavles
L 28 int.
and exh.in it and watch your compression.Also an L 20 will rev if it is
built
properley.
----- Original Message -----
From: Daniel Kroehn <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Tuesday, May 09, 2000 11:49 PM
Subject: Head Questions.
> I've noticed that lately, people are talking a lot a bout the benifits of
> both the L18 and L20 engines. I was just wondering what the difference is
> between closed chamber and open chamber heads?
>
> Daniel Kroehn
> ________________________________________________________________________
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>
>
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