Wow Paul
Ths triggered me to have the valves checked of my BGT when tuning will take
place and and assuming this will be allright while the car did not nake more
than 350 miles since the previous adjustment - in time it was 9 years
ago....
Cheers,
Hans
-----Original Message-----
From: Ptegler [mailto:ptegler@gouldfo.com]
Sent: zondag 14 januari 2001 5:19
To: mgs@autox.team.net
Subject: oh NO! What's up!
the 73BGT has been running a bit rough lately.
OK cold weather broke for a day here in MD
let's see what I can fix here.
HHmmm .... Vacuum gauge at idle of
850 is fluttering 3-5 Hg/in and down at 15 Hg/in
At 1krpm steady at 18 Hg/in.
Well... the spark plugs all look good.
Nice clean light brown ash color. Hmmm....
So I did a compression check....
#4 cyl - 145 #3-140 #2- 120 #1-10 What!??
repeated tests with oil in cyls. ...not much change.
...well at least it's not broken rings.
But what's up with cyl #1?
Popped the valve cover... check the clearances.
ZERO clearance on three valves. What the ....?
Readjusted them all to spec. all comps now at
140+ lbs/sq in.
All the power is back and she idles steady and
rock solid at 750-800 rpm now. Exhaust pulses
and sound very steady now.
So the question is... didi/do I have a bad
case of valve recession? Over just the last 5 k miles
or so?
Paul Tegler wizardz@toad.net http://www.teglerizer.com
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