harmonic balancer

[furydan]

Would a 66 273 engine use the same harmonic balancer as a 69 318?

 

[66340SEDAN]

I would think that will work just fine, check to make sure the timing marks line up the same

 

[krazykuda]

I don't think so. A 66 273 should have a forged crank and a 69 318 should have a cast iron crank. I believe that the balance is different.

Try to keep cast cranks with cast crank dampers and forged cranks with forged dampers.

 

[Sedanman]

Both are neutrally balanced,just check that the timing marks are the same

 

[tubtar]

Both are neutrally balanced,just check that the timing marks are the same

Yep.
Later externally balanced engines will have a counter weighted balancer and will not work. The balancer from any neutral balance LA should work just fine as far as balance goes. The timing marks may be different , but that problem can be overcome with a little creativity.

 

[RustyRatRod]

Yep.
Later externally balanced engines will have a counter weighted balancer and will not work. The balancer from any neutral balance LA should work just fine as far as balance goes. The timing marks may be different , but that problem can be overcome with a little creativity.

That's not true. No 318 was ever externally balanced. The balancers will interchange just fine and work. The timing marks may be different as already indicated.

 

[furydan]

Thanks for the replies... I was just curious because I used the 273 balancer so the timing marks would be correct.. But the engine seems to have a vibration at higher rpms..

 

[RedFish]

A slight vibration at some rpm is somewhat typical. It can come from belts, pulleys, other. A serious vibration comes from balancers, converters, pressure plates, other.