[AJD] Unstyled B conundrum

Wed Feb 18 19:35:36 PST 2009

Got a block P/N?  I may have one. Con tact me direct.  wjohnson at big 
river.net
----- Original Message ----- 
From: "John B" <rustyacres at yahoo.com>
To: "Antique John Deere mailing list" 
<antique-johndeere at lists.antique-tractor.com>
Sent: Wednesday, February 18, 2009 2:36 PM
Subject: Re: [AJD] Unstyled B conundrum

I just wanted to confirm that Bill is right. Deere sold oversize pistons and 
not sleeves.  Thus, you would rebore the block and buy their set of o.s. 
pistons. I know people who have had a machine shop instal andl then bore a 
generic sleeve. With the cost of machine work, it would be pretty expensive. 
It would most likely be less expensive to find a good used block.

John Boehm
Woodland, CA
Visit my web site at http://vintagetractors.com

--- On Wed, 2/18/09, Bill Brueck <b2 at chooka.net> wrote:

> From: Bill Brueck <b2 at chooka.net>
> Subject: Re: [AJD] Unstyled B conundrum
> To: "'Antique John Deere mailing list'" 
> <antique-johndeere at lists.antique-tractor.com>
> Date: Wednesday, February 18, 2009, 11:27 AM
> Nope, I don't have any sleeves.
>
> To my knowledge Deere never sold a sleeve for these blocks.
>  You just bored
> them out as much as needed and used the cast iron block the
> way it was with
> oversize pistons and rings.  When folks have these blocks
> sleeved, I assume
> it's a generic sleeve that the machine shop provides.
>
> I wouldn't worry about the 2 sides being the same
> oversize, either.  I can't
> imagine that would make a discernable difference.
>
> If you run into too much trouble, I'd think a salvage
> block would be pretty
> available and reasonable.
>
> Maybe post to the larger list to make sure I'm on the
> right track on those
> sleeves.
>
> Best of luck, Bill!
>
> BB
>
> -----Original Message-----
> From: antique-johndeere-bounces at lists.antique-tractor.com
> [mailto:antique-johndeere-bounces at lists.antique-tractor.com]
> On Behalf Of
> Bill Thompson
> Sent: Wednesday, February 18, 2009 1:09 PM
> To: Antique John Deere mailing list
> Subject: Re: [AJD] Unstyled B conundrum
>
> Hi Bill,
> Can you help me out , looking for a sleeve for my 1939 B ,
> my mechanic said
> he only needed one, and that is the one that was stuck,and
> bore it to match
> the other one. Or should I do the other one also?
> Thank's  Bill T.
>
>
>
> -----Original Message-----
> From: antique-johndeere-bounces at lists.antique-tractor.com
> [mailto:antique-johndeere-bounces at lists.antique-tractor.com]On
> Behalf Of
> Bill Brueck
> Sent: Sunday, February 01, 2009 8:24 PM
> To: 'Antique John Deere mailing list'
> Subject: Re: [AJD] Unstyled B conundrum
>
>
> I changed mags on a later model B several years ago.  That
> was before I had
> manuals and Internet and such luxuries.  The coupling had a
> different angle
> on the replacement mag and I just loosened up the governor
> housing enough to
> lift it up and skip a few teeth on the gear.  A little
> trial and error and
> it was timed OK again.
>
> Yeah, I know, not the right procedure for a restoration.  I
> wasn't trying
> for a restoration, I had my farmer hat on and needed to get
> a tractor
> running.  I remember that was the tractor that had been
> converted to an
> alternator.  But the engine wouldn't rev up enough to
> start the charging.
> So I put a push button on the dash to excite the alternator
> so it would
> start charging.
>
> It ran just fine.
>
> B²
>
> Bill Brueck
>    Chatfield, Minnesota, USA
>
> Confusion is a higher state of knowledge than ignorance.
>
>
> -----Original Message-----
> From: antique-johndeere-bounces at lists.antique-tractor.com
> [mailto:antique-johndeere-bounces at lists.antique-tractor.com]
> On Behalf Of
> Mike Scholl
> Sent: Sunday, February 01, 2009 5:20 PM
> To: Antique John Deere List
> Subject: [AJD] Unstyled B conundrum
>
>
> I looking for an answer to a problem that started in 1945
> or 1946.
>
> Sometime in 1945 or 1946 my 1935 John Deere B was fitted
> with a modified
> short-lug coupler Wico X magneto, I'll assume to
> replace its 'problematic'
> F-M DRV2B.  As many of you are aware of, aside from the lug
> length, there is
> also a difference in the lag angle between short and long
> lug coupler.
>
> My Wico X has the 6274 short lug coupler, but the lugs have
> been lengthened
> nearly 3/8".  I don't know what was done if
> anything other than the lug
> lengthening.
>
> In the 30+ years that I've had the tractor, it has
> always run well, but 2
> years ago I decided to restore it so my grandson can drive
> it in parades and
> things like that.
>
> Since the tractor will be compared to others of similar
> vintage, I decided
> that I'd try to get as close to the way it was when it
> left Waterloo as my
> pocket book would allow.  With that in mind, I bought a F-M
> DRV2B.  It is a
> good mag the throws a nice spark when I bench test it.
>
> Here's my problem... When I put it on the tractor I
> cannot adjust it to
> where the impulse trips anywhere near "LH
> IMPULSE".   It's still too cold
> here in Minnesota to work in an unheated garage and when it
> warms up I plan
> to pull the governor case to see if there are register
> marks on the cam and
> governor shaft that might show that I am off register.
> I've explained my
> problem to an expert and been told that there is a fair
> chance that I'm
> looking in the right direction.
>
> Here's my question... Is there anyone out there that
> has encountered a
> similar situation that can say "Yes, this was a common
> practice" or "No, a
> single gear tooth off would give you more than the
> difference in lag angle
> between the long and short lugs".
>
> Any insight is appreciated!
>
> Thanks in advance,
> Mike
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