Changing balance weight
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Cargo Master
Joined: May 2011
Posts: 2,387
Likes: 138
From: Northern California
Changing balance weight
Wondering if something will work... I have a 50oz roller block assembly I am assembling to replace a 28oz assembly... The 50oz will require a flywheel and a damper I do not yet have. I do have the 28oz flywheel, crank, and damper.
After thinking about this for a bit, I cant see any reason why simply installing the 28oz components into the roller block wont work. The boat I am doing all this to ran well for years under the 28oz crank so if smoothness or whatever is an issue, its a negligible difference.
I can and will do the 50oz crank if its absolutely needed but otherwise would like to save a couple hundred bucks on parts I dont need.
The 28oz crank has seen less use than the 50oz but both are serviceable. Plz advise. Thx.
After thinking about this for a bit, I cant see any reason why simply installing the 28oz components into the roller block wont work. The boat I am doing all this to ran well for years under the 28oz crank so if smoothness or whatever is an issue, its a negligible difference.
I can and will do the 50oz crank if its absolutely needed but otherwise would like to save a couple hundred bucks on parts I dont need.
The 28oz crank has seen less use than the 50oz but both are serviceable. Plz advise. Thx.
Lead Driver
Joined: Sep 2003
Posts: 7,013
Likes: 205
From: SoCal
The complete 28 oz crank parts should work together. You may run into a problem with the newer block. After late 1982, the blocks used a 1-piece rear main seal, while the blocks (and cranks) before then used the 2-piece rear mail seal, but the change from 28 oz to 50 oz imbalance occurred in 1981. So it's very likely that your crank needs a 2 piece seal, while your block uses a 1-piece seal.
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