Forgot to ask...what all was done on the PCM flash? (Possibility)
- Bernd
-----Original Message-----
From: owner-dakota-truck@dakota-truck.net
[mailto:owner-dakota-truck@dakota-truck.net] On Behalf Of Bernd D.
Ratsch
Sent: Tuesday, September 03, 2002 7:38 AM
To: dakota-truck@dakota-truck.net
Subject: DML: RE: Engine/HO Cams Help/Questions
Considering that the cams are a 100% swap (no PCM issues or
timing)...i'm leaning towards the actual cam timing. You may want to
recheck it just to be safe.
- Bernd
-----Original Message-----
From: owner-dakota-truck@dakota-truck.net
[mailto:owner-dakota-truck@dakota-truck.net] On Behalf Of William H.
Hiatt III
Sent: Monday, September 02, 2002 11:00 PM
To: dakota-truck@dakota-truck.net
Subject: DML: Engine/HO Cams Help/Questions
With the help of Ed Halterman and Jerry we managed to install the cams
in our 4.7's this weekend. Whoever said it is a two hour job can eat
me.......
The cams went in good, and it's running smooth, but I do have the
following
questions:
1) If I just step on the gas (just punch it a little) I'll get a
rattle/clanking type sound coming from the engine. My father said it's
not pinging/valve clatter, but due to the larger lift and longer
duration, it's just some valve spring noise I'm hearing, which wouldn't
hurt anything.
2) Under WOT or a hard acceleration, at around 4000-4500RPM I get a
little "pop" (Which my father says sounds like a misfire). What could be
causing this?
I have a custom flash on the PCM (Timing is at 29 degress) and Autolite
5224's. Should i pull and clean/regap the plugs to help with the
misfire? What about the valve spring noise? I was originally thinking we
might've accidentally moved one of the cam sprokets over a tooth during
the install, but that means that bank would be off on the timing
considerably, and the engine wouldn't be running right..
Any advice would be appreciated!
Thanks
william
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