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Tech Question
Robert Sepulveda, San Antonio, TX, 1970 Dodge Charger 440
Please help, I'm desperate! I have a '70 Charger 440/727
combo. Since converting to a 4 speed (18 spline) I have a vibration around
2000 rpm. I have had the pressure plate and flywheel balanced (to neutral
balance) twice. The bellhousing is indexed and all mounts motor and
transmission mounts are new. Vibration is present whether or not clutch is
engaged. The engine ran fine before, are standard engines balanced to a
closer tolerance than their automatic counterparts from the factory?
Any suggestions would be greatly appreciated.
I will shaking in anticipation of your answer.
Bob, it's pretty simple. Assuming that you have the stock, original 440 HP engine, it's an external-balance, heavy-con-rod deal. Read: external balance.
There's two fixes, pick one:
Get a correct 440 external-balance flywheel
- or -
Drill the one you have now per the specs in the MP chassis book.
Take your pick. It will definitely be fixed!
Rick
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