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Rob,
Wouldn't be a flex plate, TH350. It probably does need new wires & such.
I'll do that & let you know if did the trick. I was wondering if could be a
worn distributor gear.
Scott
71 Malibu 350
>------------------------------------------------------------
>
>I had a cracked flex-plate that sounded just like a rod knock. With the
>stumble, change out the cap, rotor, plugs, and wires all at once. A bad
>wire or plug, can cause the cap to fail, so if you change out a little at a
>time, it can cause you to run in circles. I have had the best luck
>changing
>out everything at once. Also take the time to loom those wires, and trim
>them to the correct length. This can really increase the time between
>tune-ups. I have heard mixed reviews on the Unilite, if all else fails, it
>is hard to beat a GM designed HEI.
>
>Rob
>'67 Malibu
>'67 ElCamino
>
>----- Original Message -----
>From: "Scott_Lisa Rock" <[EMAIL PROTECTED]>
>To: <[EMAIL PROTECTED]>
>Sent: Saturday, August 11, 2001 7:55 PM
>Subject: [Chevelle-List] Bad Distributor?
>
>
> >
> > Replies to this message are sent to The Chevelle Mailing List
> > ------------------------------------------------------------
> >
> > Ok, I need some help here. The 350 in my 71 is starting to run pretty
> > ragged. At 550 rpm the timing jumps between about 11 1/2 to 12 1/2
>degrees.
> > When it's warm, at idle and in gear it runs nice and mellow then about
>once
> > every minute or so it kind of stumbles a few times then starts loping
>nice
> > and even again. I have also noticed a very irregular knock coming from
>very
> > low and to the rear of the motor when it's cold. The sound is very much
>like
> > a bad main bearing but not quite as loud and it is not constant. It is
>very
> > irregular and i have only noticed it when the motor is cold. I have
>checked
> > all the wires and plugs and cleaned up the cap and rotor on the Mallory
> > Unilite. I cleaned the carb (Carter AFB) really good today and still no
> > difference. As for the way it's running I was thinking possibly the
> > distributor is going bad. I really don't want to think about what could
>be
> > causing the knock. I wonder if they are related? Any ideas what could be
> > causing this? God I hope it's not a bearing.
> >
> > Thanks in advance, Scott
> >
> > 71 Malibu 350
> >
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