HELP>>KMJ Harmonic Balancer problem..

[w2360Duster]

Has anyone used one of the units on a 70 and up SB? I bought the SFI rated SB internal balance balancer and have one or 2 problems.

1st, its thicker than stock the darn thing has already contacted the cast-in timing indicater and i have ground a good 3/8" of it and the balancer is already contacting it again and it looks like it could go more........

#2 beacuse i have no idea where its going to bottom out my pulley alignment is off a about 1/4" .

What should i do? grind more off the cover and get out the JB Weld? because i already have opened a hole as it is. And keep running it down.

Any help , if i keep going im NOT going to have a timing indicator. But i dont want belt alignment issues or the blancer to cause any internal engine problems. I can supply pics in the morning if needed.

 

[67yelodart]

Do not keep grinding your cover down,,,,get the correct balancer,i have used the summit brand with good results.

 

[fishy68]

Kinda sounds like the snout was made too short. Do you have the stock one to lay it against and see how much diff there is? Last year when I set out to buy a new balancer I noticed some were different thicknesses from stock. I ended up getting one from Hughes Engines and it's the same dimensions as stock.

 

[green1]

I bought a summit. and it required spacing out my other pulleys 7/16"

 

[Mopar73340]

Has anyone used one of the units on a 70 and up SB? I bought the SFI rated SB internal balance balancer and have one or 2 problems.

1st, its thicker than stock the darn thing has already contacted the cast-in timing indicater and i have ground a good 3/8" of it and the balancer is already contacting it again and it looks like it could go more........

#2 beacuse i have no idea where its going to bottom out my pulley alignment is off a about 1/4" .

What should i do? grind more off the cover and get out the JB Weld? because i already have opened a hole as it is. And keep running it down.

Any help , if i keep going im NOT going to have a timing indicator. But i dont want belt alignment issues or the blancer to cause any internal engine problems. I can supply pics in the morning if needed.

I had just the opposite problem. I also used the summit brand with good results. I had originally bought one from Hughes but it would not fit on the front of the crank, then after I had the machinist at work open up the balancer where it goes over the snout on the crank, it was 3/8-1/2" longer than it needed to be to line up the pulleys. Hughes said they had not heard of this issue???? Crank was a SKAT.