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A Childhood Dream Realized...My Very Own T70ES

panzer t70

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413 replies to this topic

#391 MH81 ONLINE  

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Posted March 28, 2016 - 04:53 PM

Just read the Locktite story.
:rolling:

I'm laughing with you, not at you.
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#392 backwoods OFFLINE  

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Posted March 30, 2016 - 06:01 PM

When I got my Panzer last fall, I went to our local Napa looking for a gasket set with oil seals for the B&S engine.
They showed a listing for it in their books but it said that it was no longer available.

The Napa owner did some searching and called me two days later and said he found one gasket set in a warehouse someplace.

Do you still by chance have your Napa part number so I can look it up for him?

#393 jdcrawler ONLINE  

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Posted March 31, 2016 - 10:27 AM

Do you still by chance have your Napa part number so I can look it up for him?

 

This is the gasket set that Napa got for me.  

 

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This is the ID tag on my B&S engine.

 

143302 is a 6hp Briggs.jpg


Edited by jdcrawler, March 31, 2016 - 03:46 PM.

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#394 backwoods OFFLINE  

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Posted March 31, 2016 - 10:58 AM

Thanks I'll check to see if it is still available after lunch

#395 jdcrawler ONLINE  

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Posted April 01, 2016 - 07:33 AM

There are 8 of these gasket sets for sale on ebay right now.

4- here in the US and 4- in England.



#396 Hondarider OFFLINE  

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Posted April 03, 2016 - 07:46 PM

All this talk about engine parts has inspired me a bit...

Sunday morning...

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#397 Hondarider OFFLINE  

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Posted April 03, 2016 - 07:52 PM

A few hours later...

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#398 Hondarider OFFLINE  

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Posted April 03, 2016 - 07:57 PM

To my untrained eye, the cylinder bore and the valve seats look pretty good...no gouges or erosion anyway...

I'm kinda wondering where to go from here...

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I've got my handy-dandy Briggs and Stratton rebuild guide, but I'm open to recommendations...

#399 jdcrawler ONLINE  

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Posted April 04, 2016 - 07:03 AM

That cylinder wall does look good.

It's hard to really tell from a photo, but it looks like there isn't any ridge worn into the cylinder by the rings at the top of the piston stroke.

If it were mine, I would run a de-glazing hone in the cylinder and put new standard rings in.


Edited by jdcrawler, April 04, 2016 - 07:11 AM.


#400 Clint OFFLINE  

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Posted April 04, 2016 - 09:53 PM

Did you do a compression test before disassembly? A quick run through with a hone and lapping the valves and a thorough cleaning may get you back into business for a long time!



#401 Chris11 OFFLINE  

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Posted April 05, 2016 - 08:15 PM

to bad you didn't get a leak down before you took it apart. much better then comp test



#402 backwoods OFFLINE  

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Posted April 10, 2016 - 08:10 AM

This is the gasket set that Napa got for me.  

 

attachicon.gifSAM_1177.JPG

 

 

This is the ID tag on my B&S engine.

 

attachicon.gif143302 is a 6hp Briggs.jpg

I just got done looking through 3 books for that number an tried crossing into our system an i cant find it in the napa system hopefully somebody has one on a shelf some wheres.



#403 Hondarider OFFLINE  

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Posted April 15, 2016 - 02:49 PM

So when I last left you, I was staring at a partially disassembled motor and trying to decide what I should do next. After consulting with my "Automotive Consigliere", Darryl, I was optimistic about my chances of finding a local shop to overbore my cylinder and lap my valve seats. Renewed in my mission, I set to it after work one night this week.


Darryl's ever insightful sister pointed out that this might be a character in the next Star Wars movie. It's certainly more believable than that ill-conceived Jar Jar Binks. Awful!

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In short order, I was looking inside at the guts of the little thumper...

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I kept detailed disassembly records and assigned a number to each and every piece.

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Surprisingly, everything looks like new...at least to my untrained eye.
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#404 Hondarider OFFLINE  

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Posted April 15, 2016 - 03:07 PM

After unbolting the bottom clamp on the fat end of the connecting rod, I removed the crank shaft and was ready to remove the piston and the connecting rod from the bore. This was a learning moment for me. I applied pressure with my thumbs from the bottom. The piston was resistant to my invitation to exit its home of the last 50ish years, so I pushed a little harder...just a bit harder...just a little more...

...just then...POINK!

The piston broke free of the rings' striction and, in the blink of an eye, it shot out of the top of the cylinder...arcing across the garage in ballistic flight...hanging weightless at the top of the curve...taunting me for a millisecond or two...daring me to make the dive save...and then plunging towards the concrete with a sickening metallic crash. Insert Homer Simpson's "DOH!!"

I rushed over to pick up the piston and crank. It was surprisingly unscathed, but I felt pretty stupid nonetheless.

A cautionary tale for those who follow after me. (I really want that as the epitaph on my tombstone)

In the end, I was left with an empty case and a decent looking bore.

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#405 Hondarider OFFLINE  

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Posted April 15, 2016 - 03:19 PM

At this point, most people would be content to deliver the block to the machine shop for the requisite processing. For me, however, that was not an option. I couldn't possibly endure the judgmental glare of the local machinist when delivering a dirty engine block covered in flaky paint and unflattering casting marks. That would be like calling 9-1-1 before you clean the house. I just don't roll like that.

So I spent the next couple nights filing casting marks and 50 year old flash between fins...sanding old paint...degreasing inside and out...tooth brushing every nook and cranny...wire wheeling with both brass and steel brushes to get rid of the sanding marks...polishing the valve seats with Scotchbrite...ignoring my family...skipping meals...staying up way too late...embracing my OCD like an old friend.

In the end, it's not the perfectly polished/freshly machined finish that I was hoping for, but I don't think the machinist will be offended when he bolts in down to the mill.

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I'm thinking about having our photo taken together by a professional photographer for this year's Christmas card.

Edited by Hondarider, April 15, 2016 - 03:20 PM.

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