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  #11  
Old 05-08-2019, 05:54 AM
krhea krhea is offline
 
Join Date: Nov 2011
Location: Peck, Kansas
Posts: 121
Default Tach shaft

I left mine out on a rebuild, seem wasteful to spend a couple hundred bucks on something that I wasn’t going to use, but I was getting a lot of oil out the crankcase breather, so to avoid removing the rear case and installing the tach shaft I put an anti splat oil separator on the crankcase vent and that solved the problem, I still spent the money anyway!


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Last edited by krhea : 05-09-2019 at 08:55 PM.
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  #12  
Old 05-09-2019, 03:04 PM
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AX-O AX-O is offline
 
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Location: SoCal
Posts: 2,339
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I don't understand what you are saying.

You added an oil separator to the crankcase breather or to the tach port?

Anyone else have experience with this?

Thanks.
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  #13  
Old 05-09-2019, 08:54 PM
krhea krhea is offline
 
Join Date: Nov 2011
Location: Peck, Kansas
Posts: 121
Default Tach shaft

I added an oil separator on the crankcase vent because apparently if you leave the tach shaft and hardware out of a two piece camshaft you might increase the amount of oil mist out the crankcase vent.


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  #14  
Old 05-10-2019, 10:40 AM
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N941WR N941WR is offline
 
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Location: SC
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Quote:
Originally Posted by krhea View Post
I left mine out on a rebuild, seem wasteful to spend a couple hundred bucks on something that I wasn’t going to use, but I was getting a lot of oil out the crankcase breather, so to avoid removing the rear case and installing the tach shaft I put an anti splat oil separator on the crankcase vent and that solved the problem, I still spent the money anyway!


Keith Rhea RV7
2019 dues paid
A friend left that shaft out on his O-360 and it cost him a rebuild.

Like you found out, that shaft keeps the oil from squirting right out the breather hose. He wasn't so lucky. He did install it, when he rebuilt his new engine.
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