Re: [AMC-list] 258 Engine Vibration over 2000 RPM

[Ken Ames <ameskg@xxxxxxxxx>]

"It already takes a long time to shift into gear when it sits a few
> days. "

Having the trans in neutral while the engine warms up from it's first start will
reduce the time needed for it to engage when you put it in drive. The oil
circulates to more places in neutral than it does in park.


Ken


Quoting Jim Blair <carnuck@xxxxxxxxxxx>:

> 
> 
> 
> 
> 
> I was thinking torque converter (mine would do that, then suddenly spit out
> trans fluid when the neck cracked) The 998 in my '82 Spirit is almost to that
> stage. It already takes a long time to shift into gear when it sits a few
> days. (that trans will be out
> 
> Jim Blair, Lynnwood, WA '87 Comanche, '83 Jeep J10, '84 Jeep J10
> 
> From: Jesse <j2sax@xxxxxxxxx>
> To: amc-list@xxxxxxxxxxxxxxxxx
> Subject: [AMC-list] 258 Engine Vibration over 2000 RPM
> Message-ID: <128122.2049.qm@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
> Content-Type: text/plain; charset="iso-8859-1"
>  
> So my son's 88 Eagle has a very harsh engine vibration.? We haven't had it
> too 
> long, but I did the MtrCrft Large Cap, plugs, wires and Nutter bypass.? It 
> starts and idles excellently but when you goose the gas, it has a shudder
> that 
> goes through the whole car.? When I am driving down the highway, I can put it
> in 
> nuetral and goose it with similar results.? 
>  
>  
> I am hoping it is not the flywheel or dampener.? I have triple checked the 
> firing order, adjusted the timing (after the bypass), locked out the carb
> pins 
> and made sure all the wires were plugged tight.? 
>  
>  
> I remembered tonight a V8 swap I did for an old fellow (had a 258 J10 T176, I
> 
> dropped in a 360/727 from a Waggie had had sitting).? For a couple of months
> he 
> would call and say how it was running great and suddenly iy would start
> coughing 
> missing, shaking and the plug gaps would be gone on a plug or two.? I
> determined 
> he had carbon buildup that was dining around the cylinders in occasion and 
> flatting out the plugs.? Some Sea Foam, ATF through the carb (lot's of
> smoke!) 
> and a MotorVac seemed to clear it up.? 
>  
>  
> I am going to pull the plugs tomorrow and see what I can find.? 
>  
> In the interim, any other ideas?? I am dreading the potetnial of a bad Trq 
> cnvrtr, but am open to suggestions.? 
>  
>  
> Thanks and have a great weekend, 
>  
> Jesse
> 
>  		 	   		  
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