Ok, after getting valve lash 101 from you wonderful people I got her to
start and run (Valve covers on cause I didn't read this post till just
now!). My issue now is a VERY rough idle. I did 3 starts, ran her for 45
seconds a piece the first two and the clicking chilled out, the I took her
for a drive to Quick Trip. Smooth acceleration, SHITTY idle. Once I hit
normal operating temp she stalled on me twice when slowing to a stop at low
RPM at traffic lights. Brought her home and popped the hood, no tapping, no
odd sounds, and I looked for a wooden broom stick to cut in half to use as a
stethoscope;-), I didn't find one. All plug wires are firm on the plugs and
the distributor.
This leads me to think that I over tightened a couple or more rockers. Most
are good I assume because she runs, but I think several are still too tight.
I guess in the morning I'll rip her apart for the fourth time and run it
without the Valve Covers and see if I can tell who's the naughty rocker(s).
If I can't pinpoint them then I'll back them all out again, check my new
rods to see if they are bent (just to be safe) and hand tighten them while
bumping the engine, then I'll give the instructions below a shot.
Anyone know a way to find the over tightened valves easily????
I REALLY appreciate all those who responded both on the list and privately.
You have been a tremendous help, I hope one day to be able to repay the
favor. If anyone has anything to add please let me know;-).
Thanks a ton,
Shawn
98 5.2L 4x4 CC Slightly sick Dak
-----Original Message-----
From: owner-dakota-truck@BUFFNET.NET
[mailto:owner-dakota-truck@BUFFNET.NET]On Behalf Of Chuong Nguyen
Sent: Monday, June 11, 2001 10:09 PM
To: dakota-truck@buffnet.net
Subject: Re: DML: Dead Dak, I screwed up Somehow
I'm sensing 2 problems.
you said 7.1 roller rockers/ DAMN. are the valve springs sticking out the
hood? hehe.... sorry.
anyways. you said you "Torqued" the 9/16 nut down until there's zero lash?
On roller rockers, you're supposed to start the motor without the valve
covers, loosen the 9/16 hold down bolt until that rocker/lifter/pushrod
starts to "tick tick tick" then you tighten it until the ticking goes away..
you then give the nut another 1/2 a turn and tighten the allen screw in
the middle.
I think when you set it down to "zero valve lash" you pushed the valves in a
little so it's somewhat open not allowing compression in the cylinders. If
that's true. I bet your starter is winding hella faster too (give me credit
on that one, happened to me :) )
so, take those valve covers off and try readjusting your rockers./
-Chuong
<<I tried to fire her up. Ran the starter for 5 second intervals and after
3
tries waited a while to make sure I didn't fry my starter too. The damn
thing won't start, it turns over, doesn't even rumble like it wants too, I
can smell a little gas after doing this a while so I know she is getting
fuel. But I can't get her to run. So, I thought the coil free arching
earlier might have been the problem, so I switch to a BRAND new MSD SS Coil
and have the same results. I sat and check everything over and over but
can't find anything wrong.
I know you guys can help get me running again! Any ideas???
Thanks,
Shawn 98 5.2L 4x4 CC
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