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snowbug
Samba Member
Joined: June 12, 2005
Posts: 167
Location: Oshawa Ontario Canada
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 Posted: Sun Feb 22, 2015 8:56 am Post subject: 36hp Lifter Oil Groove ? |
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| Do you think there is any advantage to grinding a notch between the oil grooves on a 36 hp lifter? I have done this on 1600 lifters. Suppose to be for better oiling. Jim |
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slalombuggy
Samba Member
Joined: July 17, 2010
Posts: 9145
Location: Canada
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| Posted: Tue Feb 24, 2015 6:28 pm Post subject: |
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Anything you can do to get oil to the top end is good. Did you do the Hoover mod to add an other oil galley going to the right side of the case as well?
brad |
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snowbug
Samba Member
Joined: June 12, 2005
Posts: 167
Location: Oshawa Ontario Canada
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| Posted: Wed Feb 25, 2015 7:09 am Post subject: |
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| slalombuggy wrote: |
Anything you can do to get oil to the top end is good. Did you do the Hoover mod to add an other oil galley going to the right side of the case as well?
brad |
What case oil mod? Now you tell me after I glued it together. thanks Jim |
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slalombuggy
Samba Member
Joined: July 17, 2010
Posts: 9145
Location: Canada
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| Posted: Wed Feb 25, 2015 5:16 pm Post subject: |
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On my cases I drill the galley plugs out and on the 1/2 side I extend the oil galley fron the center cam journal to the one closest to the gear and then drill down through that bearing saddle to meet up with the extended galley. I don't know if it can be done on a 36 case? Sorry, should have said that in my original post.
EDIT: I just looked in the gallery and the 36 cases are different. But you can do this to your 1600 based cases. It really adds to the oil getting to the top end on that side of the case.
brad |
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avus
Samba Member
Joined: November 11, 2005
Posts: 268
Location: Drain, Oregon
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| Posted: Fri Feb 27, 2015 3:09 pm Post subject: |
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Here's how I modified some lifters--turned about .5mm off the land separating the oil hole from the feed groove, so that the pushrod gets oil all the time instead of only when the valve is open.
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slalombuggy
Samba Member
Joined: July 17, 2010
Posts: 9145
Location: Canada
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| Posted: Fri Feb 27, 2015 6:41 pm Post subject: |
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You guys and your fancy lathes and skills  
brad |
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avus
Samba Member
Joined: November 11, 2005
Posts: 268
Location: Drain, Oregon
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| Posted: Fri Feb 27, 2015 8:34 pm Post subject: |
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| slalombuggy wrote: |
You guys and your fancy lathes and skills
brad |
Well, you could chuck it in your Harbor Freight cordless, and chew it down with a rasp, too. |
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slalombuggy
Samba Member
Joined: July 17, 2010
Posts: 9145
Location: Canada
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| Posted: Sat Feb 28, 2015 10:02 am Post subject: |
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| avus wrote: |
| slalombuggy wrote: |
You guys and your fancy lathes and skills
brad |
Well, you could chuck it in your Harbor Freight cordless, and chew it down with a rasp, too. |
Been there done that. 
brad |
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snowbug
Samba Member
Joined: June 12, 2005
Posts: 167
Location: Oshawa Ontario Canada
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| Posted: Sat Feb 28, 2015 10:52 am Post subject: lifter |
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| Well I ground a notch between the 2 grooves. I did notice some thing else. Had to buy a couple of WW lifters to make up a complete set. The grooves on the WW lifters are quite sharp so I stoned the edges off in the lathe. Brad , it`s so nice having my own little machine shop. Jim |
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earthquake
Samba Member
Joined: January 10, 2008
Posts: 3984
Location: SANDY VALLEY, NEVADA
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| Posted: Wed Mar 18, 2015 10:47 am Post subject: |
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how much oil flows past the piece of wood in a 36hp pushrod?
Casey
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Mr. Motorhead
Mad Scientist
Joined: January 06, 2004
Posts: 717
Location: Practitioner of 36hp alchemy
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| Posted: Wed Mar 18, 2015 11:13 am Post subject: |
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| earthquake wrote: |
how much oil flows past the piece of wood in a 36hp pushrod?
Casey |
None........I always pull the chopsticks out. Most all the later style lifters don't have them. As for the cutting between between the spaces, well not all lifters have the two grooves. Some lifters have a single groove which tends to hold more oil.
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mark tucker
Samba Member
Joined: April 08, 2009
Posts: 23937
Location: SHALIMAR ,FLORIDA
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| Posted: Wed Mar 18, 2015 8:12 pm Post subject: |
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| I would remove the center grove.hmm on second thought,I would remove the high spot between the two grooves and in the prosess lighten the lifter some. and or add a slot to the lifter bore.and enlarge the oil gallys a bit if needed. |
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avus
Samba Member
Joined: November 11, 2005
Posts: 268
Location: Drain, Oregon
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| Posted: Wed Mar 18, 2015 9:12 pm Post subject: |
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| mark tucker wrote: |
| I would remove the center grove.hmm on second thought,I would remove the high spot between the two grooves and in the prosess lighten the lifter some. and or add a slot to the lifter bore.and enlarge the oil gallys a bit if needed. |
An issue I can see with sending too much oil up the pushrod is possibly starving the cam bearings. I think the "chopsticks" and the timed grooves on the tappets are meant to limit the amount of oil sent to the top end. The engineers had some reason... |
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snowbug
Samba Member
Joined: June 12, 2005
Posts: 167
Location: Oshawa Ontario Canada
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| Posted: Sat Mar 21, 2015 10:12 am Post subject: lifters |
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| The replacement WW lifters don`t have any wood in them. |
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