Simon is this only at idle or as you rev the engine up?
-----Original Message-----
From: japeye warrior [mailto:[EMAIL PROTECTED]]
Sent: Friday, 6 July 2001 15:14
To: [EMAIL PROTECTED]
Subject: tunning problems
I have finnished a two year rebuild and am having some tunning problems. I
have a l20b it has flat top pistons and that is about it. I have a 2lt head
It has been ported and polished with bigger valves. It has a decent cut cam
which I have used in other engines and a set of 48 mm webbers. The problem
is it will only run well at about 25 deg before top dead center.Any less and
it just starts to missfire. I have had the colour tune on it and the carbies
are woring fine. I have double checked everything. I just thought it was
strange to be so retarded. At this setting it does crack and go real well.
Does anyone have any ideas as to why this is running like this and is this
alright or not. The only thing that is different form my last engine set up
is the head and carbies. before I had a a87 head which was much higher
compresion. Would this have anything to do with it? Any advice would be
greatly appreciated as I am going nuts and am getting quite angry with it.
Simon
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