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Old 05-22-2017, 03:54 PM   #1
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501 or 50 Chris Connie Stuffing Box

Anyone know for sure what size flax the 6V92 stuffing boxes use on the drive shafts? Looks like 1/2 in. to me but not sure. Gary
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Old 05-23-2017, 05:27 AM   #2
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"Anyone know for sure what size flax the 6V92 stuffing boxes use on the drive shafts? Looks like 1/2 in."

Only way to know for sure is to measure. The simplest is to take loose the crush nut and use the back end of a drill bit to see what fits.

Duramax or similar has replaced flax for a couple of decades.

No required leak underway , no drip when stopped and usually adjusted once after installing.

Duramax Shaft Sealing Systems: Ultra-X High-Performance Packing

www.duramaxmarine.com/shaft-ultrax.htm


Duramax Ultra-X lasts over 5 times longer than other packing. Ultra-X is a high performance, non-asbestos, compression packing that is engineered specifically for the marine industry. ... Unlike flax and other packing materials, once Ultra-X is installed you never need to worry about ...
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Old 05-23-2017, 06:55 AM   #3
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Originally Posted by FF View Post
"Anyone know for sure what size flax the 6V92 stuffing boxes use on the drive shafts? Looks like 1/2 in."

Only way to know for sure is to measure. The simplest is to take loose the crush nut and use the back end of a drill bit to see what fits.

Duramax or similar has replaced flax for a couple of decades.

No required leak underway , no drip when stopped and usually adjusted once after installing.

Duramax Shaft Sealing Systems: Ultra-X High-Performance Packing

Duramax Shaft Sealing Systems: Ultra-X High-Performance Packing


Duramax Ultra-X lasts over 5 times longer than other packing. Ultra-X is a high performance, non-asbestos, compression packing that is engineered specifically for the marine industry. ... Unlike flax and other packing materials, once Ultra-X is installed you never need to worry about ...
Looks like GFO.
GFO Packing | SG Group Div of MGP Systems Inc.

Size chart for packing.
https://www.emarineinc.com/categorie...-Shaft-Packing
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Old 05-23-2017, 10:17 AM   #4
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SDOWNEY, Thanks for the info. Shaft is 2 1/2 inches and coupling is super heavy duty with no "locking nut" like most boats. Mine and probably all newer 50 Connies are same with collar and two locking bolts, one on each side.I did measure and did math and think it's 1/2 but not sure and it's there and I'm here and want to do before it launches in Dec and want to be sure. But had a train to catch and no time to pull apart to be sure. Someone out there must have added shaft packing on a 501 or 50 Connie!?
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Old 05-23-2017, 12:16 PM   #5
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City: Seaford Va on Poquoson River, VA
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Originally Posted by cambria lady View Post
SDOWNEY, Thanks for the info. Shaft is 2 1/2 inches and coupling is super heavy duty with no "locking nut" like most boats. Mine and probably all newer 50 Connies are same with collar and two locking bolts, one on each side.I did measure and did math and think it's 1/2 but not sure and it's there and I'm here and want to do before it launches in Dec and want to be sure. But had a train to catch and no time to pull apart to be sure. Someone out there must have added shaft packing on a 501 or 50 Connie!?
According to this, a 2.5 inch shaft uses a 1/2 inch packing, which makes sense as if following the progression looking at their table.


http://www.boatowner.org/maxumowners...ckingchart.jpg
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Old 05-23-2017, 04:28 PM   #6
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sdowney, Thanks. You know, the old 37 Egg was one of my favorites back in the day. In fact my Buddy's father-in-law bought the " Queen of the show" a 37 ? Egg at the NY boat show, I think early 70s. The boat next to my 1962 40ft Colonial was a beautiful 48ft Golden Egg SF, at Great Kills Staten Island. What shape is yours in, power?
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Old 05-24-2017, 08:07 PM   #7
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City: Seaford Va on Poquoson River, VA
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Originally Posted by cambria lady View Post
sdowney, Thanks. You know, the old 37 Egg was one of my favorites back in the day. In fact my Buddy's father-in-law bought the " Queen of the show" a 37 ? Egg at the NY boat show, I think early 70s. The boat next to my 1962 40ft Colonial was a beautiful 48ft Golden Egg SF, at Great Kills Staten Island. What shape is yours in, power?
Mine is a 1970 wooden Egg with extended salon. Very roomy boat. I rebuilt the hull in 2006. Yes, a wood boat is an interesting project.

The power is still OEM original International 392 marinized by Palmer. We use it for day trips mostly like a picnic boat and do some fishing. I rebuilt those engines too.
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