Re: engine vibration 232 engine

[Matt Haas <mhaas@xxxxxxx>]

Jay,

Check the intake manifold bolts. My American did that and tightening the 
bolts solved the problem.

Matt

At 06:12 PM 10/31/2004 -0500, you wrote:
> Hey Guys, i have a 66 American with the 232/2bbl engine. I have set the 
> timing, set the idle speed at 700 rpm in neutral/ 550 in drive. The engine 
> has new plugs and points, doesn't appear to have any vacuum leaks.  At the 
> 550 rpm speed the engine has a rapid vibration which is quite annoying. 
> The vibration mostly stops when i speed the engine up above the idle.  I 
> have replaced the tranny mount which was dissolved from tranny fluid 
> getting on it before i got the car. Could the engine mounts be so old 
> and  stiff that they won't absorb even the slightest vibration and 
> transmit it to the frame? I had a 65 American with a 232/2bbl when it was 
> new in 65 and i don;t remember it being anything but smooth idling. The 
> engine runs smoothly as far a vacuum gauge shows, no fluctuations due to 
> worn valves or rings. The engine doesn't smoke and has 120k miles on the 
> odometer.  Someone did put the oil kit from the side of the block up into 
> the valve cover as suggested in a service bulletin. I know that has 
> nothing to do with the idle. Just mentioning it as I hadn't seen this done 
> to many 232 engines.  I didn;t mention it but the engine has new plug 
> wires also.   Any ideas?
>
> Jay in Central FL.

mhaas@xxxxxxx
Cincinnati, OH
http://www.mattsoldcars.com
1966 Rambler Rebel
1968 Rambler American sedan
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