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flyboy161 Samba Member
Joined: December 26, 2009 Posts: 2091 Location: Perry, GA
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SkooobaSteve Samba Member
Joined: March 23, 2005 Posts: 3152 Location: Dothan Alabama
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flyboy161 Samba Member
Joined: December 26, 2009 Posts: 2091 Location: Perry, GA
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flyboy161 Samba Member
Joined: December 26, 2009 Posts: 2091 Location: Perry, GA
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flyboy161 Samba Member
Joined: December 26, 2009 Posts: 2091 Location: Perry, GA
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flyboy161 Samba Member
Joined: December 26, 2009 Posts: 2091 Location: Perry, GA
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flyboy161 Samba Member
Joined: December 26, 2009 Posts: 2091 Location: Perry, GA
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flyboy161 Samba Member
Joined: December 26, 2009 Posts: 2091 Location: Perry, GA
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flyboy161 Samba Member
Joined: December 26, 2009 Posts: 2091 Location: Perry, GA
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flyboy161 Samba Member
Joined: December 26, 2009 Posts: 2091 Location: Perry, GA
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flyboy161 Samba Member
Joined: December 26, 2009 Posts: 2091 Location: Perry, GA
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wcfvw69 Samba Purist
Joined: June 10, 2004 Posts: 13385 Location: Arizona
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Posted: Sun Nov 16, 2014 3:47 pm Post subject: |
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Ok... Un-solicited question.. With UR engine torn down that far and you not really knowing the bottom end condition, why not split the case, inspect, machine if needed and KNOW you'll have a reliable new motor?
I bought my 69 and didn't know the engine condition. The previous owner didn't know either but said it ran well, which it did. Someone clearly had done a top end on it before. I had the engine out to reseal it and said screw it and tore it all apart. Good thing I did. Two of the mains were worn thru the bearing material along with two of the connecting rod bearings. I knew this bug was going to be a long time keeper. I caught it just in time and the case and crank required no machining.
Just a thought _________________ Contact me at [email protected]
Follow me on instagram @sparxwerksllc
Decades of VW and VW parts restoration experience.
The Samba member since 2004.
**Now rebuilding throttle bodies for VW's and Porsche's**
**Restored German Bosch distributors for sale or I can restore yours**
**Restored German Pierburg fuel pumps for sale or I can restore yours**
**Restored Porsche fuel pumps or I can restore yours**
**Restored Porsche distributors or I can restore yours** |
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flyboy161 Samba Member
Joined: December 26, 2009 Posts: 2091 Location: Perry, GA
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Posted: Sun Nov 16, 2014 5:39 pm Post subject: |
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I'll take that into consideration. I've checked The following to this point.
1. Rod end play is .012" with an upper limit of .0156".
2. Lifters/pushrods were out of spec at 14.94mm- being replaced
3. Crankshaft end play at .005" right at the upper limit.
4. New Pistons/jugs coming
5. Rebuilt cylinder heads in the works
6. New pushrod tubes coming.
Now that the motor is clean, I'll delve deeper into measurements. I've not ruled out a full overhaul entirely.
Things to check next before I split the case will be:
1. Main bearing clearance
2. Oil pump end play and gear backlash
Like I said. I'll take it into consideration. In for a penny so to speak. _________________ My father's 1970 Beetle-
http://www.thesamba.com/vw/forum/viewtopic.php?t=603879
The 1964...Diamond in the rough
http://www.thesamba.com/vw/forum/viewtopic.php?t=612776
My 1958 Morocco Bug-
http://www.thesamba.com/vw/forum/viewtopic.php?t=611483 |
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wcfvw69 Samba Purist
Joined: June 10, 2004 Posts: 13385 Location: Arizona
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Posted: Sun Nov 16, 2014 7:01 pm Post subject: |
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flyboy161 wrote: |
I'll take that into consideration. I've checked The following to this point.
1. Rod end play is .012" with an upper limit of .0156".
2. Lifters/pushrods were out of spec at 14.94mm- being replaced
3. Crankshaft end play at .005" right at the upper limit.
4. New Pistons/jugs coming
5. Rebuilt cylinder heads in the works
6. New pushrod tubes coming.
Now that the motor is clean, I'll delve deeper into measurements. I've not ruled out a full overhaul entirely.
Things to check next before I split the case will be:
1. Main bearing clearance
2. Oil pump end play and gear backlash
Like I said. I'll take it into consideration. In for a penny so to speak. |
Like I said, just a thought. I've been on this site for 10 years. I've read so many posts where people didn't check the bottom end. They then installed new jugs/pistons and rebuilt heads. They then were posting questions asking why they suddenly had a "knocking" noise from their fresh top end job.
Yup, their low compression hid the worn rod bearings which the good compression showed. _________________ Contact me at [email protected]
Follow me on instagram @sparxwerksllc
Decades of VW and VW parts restoration experience.
The Samba member since 2004.
**Now rebuilding throttle bodies for VW's and Porsche's**
**Restored German Bosch distributors for sale or I can restore yours**
**Restored German Pierburg fuel pumps for sale or I can restore yours**
**Restored Porsche fuel pumps or I can restore yours**
**Restored Porsche distributors or I can restore yours** |
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flyboy161 Samba Member
Joined: December 26, 2009 Posts: 2091 Location: Perry, GA
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flyboy161 Samba Member
Joined: December 26, 2009 Posts: 2091 Location: Perry, GA
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billfred1 Samba Member
Joined: May 19, 2014 Posts: 287 Location: Bloomington, IN
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Posted: Mon Nov 17, 2014 3:01 pm Post subject: |
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flyboy161 wrote: |
Here you can see the jagged hole in the rear firewall I'll be fixing. Previous owner (not the guy I bought it from) tried to remove the fan nut...the fan nut!
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Wow, someone should make this a "sticky" for how to remove the fan nut without pulling the engine. _________________ Bill
1966 Beetle |
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flyboy161 Samba Member
Joined: December 26, 2009 Posts: 2091 Location: Perry, GA
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spanky324 Samba Member
Joined: September 28, 2006 Posts: 1070 Location: Greeley Pa
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Posted: Mon Nov 17, 2014 4:31 pm Post subject: |
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wcfvw69 wrote: |
Ok... Un-solicited question.. With UR engine torn down that far and you not really knowing the bottom end condition, why not split the case, inspect, machine if needed and KNOW you'll have a reliable new motor?
I bought my 69 and didn't know the engine condition. The previous owner didn't know either but said it ran well, which it did. Someone clearly had done a top end on it before. I had the engine out to reseal it and said screw it and tore it all apart. Good thing I did. Two of the mains were worn thru the bearing material along with two of the connecting rod bearings. I knew this bug was going to be a long time keeper. I caught it just in time and the case and crank required no machining.
Just a thought |
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flyboy161 Samba Member
Joined: December 26, 2009 Posts: 2091 Location: Perry, GA
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Posted: Tue Nov 18, 2014 4:32 pm Post subject: |
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Okay, I split the case.
There is a very slight discoloration to the main bearing journal where the oil passage on the bearing is and whatever ridge there was, rubbed off with my finger. I took some initial measurements of the number 1-3 main bearing bores and they are at 60.02mm with the normal range being 60.000 to 60.019mm (so close!). Number 4 main bearing bore check at 50.02 with a range of 50.000-50.025mm. The crankshaft appears to measure at stock size and main bearings are stock as well. I'll remove rods and rod bearings tomorrow and recheck everything.
What I need to do is: retorque the case and retake measurements. I ran out of time this morning and did these measurements in 15 minutes. I've also got a call in to Gary at RIMCO, to see what our options are. I've heard good things about them when it comes to 36hp motors. Thanks wcfvw69 and spanky324 for the advice. It really was a no-brainer when I saw that number 3 cylinder pushrod. Same connecting rod has slightly more end-play that the other three rods. It measured at .013" while the others were .010" and .011". Not a lot, but if I'm gonna do it, I might as well balance and blueprint the thing and do it right. _________________ My father's 1970 Beetle-
http://www.thesamba.com/vw/forum/viewtopic.php?t=603879
The 1964...Diamond in the rough
http://www.thesamba.com/vw/forum/viewtopic.php?t=612776
My 1958 Morocco Bug-
http://www.thesamba.com/vw/forum/viewtopic.php?t=611483 |
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