Re-Power your Craftsman LT1000 Lawn Tractor for under $650.00 - Page 2 - MyTractorForum.com - The Friendliest Tractor Forum and Best Place for Tractor Information
 
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post #16 of 24 Old 09-15-2008, 02:11 PM
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Re: Re-Power your Craftsman LT1000 Lawn Tractor for under $650.00

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Originally Posted by McGuire2003 View Post
I plan on taking a piece of black plastic ~4" tall, rivet it into an appropriately sized circle, and rivet it to the original air induction scoop with 3 "L" brackets. Not shown in the photos as I've not completed it yet. I'll post more pictures when it is done.
I'm not sure that's a wise idea. I think the gap between the engine and the air horn is deliberate. It allows the bigger pieces that get caught by the intake grate to be flung off by centrifugal force.

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post #17 of 24 Old 09-15-2008, 03:03 PM Thread Starter
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Re: Re-Power your Craftsman LT1000 Lawn Tractor for under $650.00

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I'm not sure that's a wise idea. I think the gap between the engine and the air horn is deliberate. It allows the bigger pieces that get caught by the intake grate to be flung off by centrifugal force.
I looked through several Craftsman LT 1K/2K tractor manuals which have this engine installed. They all show one of two scoop varients. Either the induction scoop is similar to what I described above, or they are a large bowl shaped afair. Either way the scoops are mounted on the frame but take up the entire room between the engine and hood.

Your comments have a lot of merrit. Now you have me thinking.

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post #18 of 24 Old 09-24-2008, 07:10 AM
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Re: Re-Power your Craftsman LT1000 Lawn Tractor for under $650.00

Nice guide, thanks! I actually went the other route and rebuilt my 20.5hp opposed briggs, threw the upper rod. Due to the shop not turning the upper lobe on the crank properly, the **** thing seized up on me and I scrapped the engine. IMO the later briggs opposed engines are junk, I work on riding mowers and constantly see these engines with either a thrown rod, or seized rod. The ones from the 80's seem rock solid, you cant kill them!
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post #19 of 24 Old 09-24-2008, 11:42 AM
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Re: Re-Power your Craftsman LT1000 Lawn Tractor for under $650.00

Very well done thread McGuire

Love the attention to detail, and your sourcing of the parts!

Thank you for taking the time to put it all together to share with us! It sure does deserve the "sticky" status!

Mark

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post #20 of 24 Old 10-24-2008, 02:06 AM
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Re: Re-Power your Craftsman LT1000 Lawn Tractor for under $650.00

Great work. Only one thing I would like to mention is the oil you chose. For initial engine "break in" you never want to use synthetic as it wont allow the rings to seat properly. I properly "broken in" engine will have substantial longer life. The synthetics are so good that they are virtually frictionless which is great for the long run after initial break in. Also running multi viscosity oils will cause oil consumption in these small engines and are only recommend for winter usage. Warmer weather say 40+ you should be running sae 30. Again great work.

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post #21 of 24 Old 11-09-2008, 07:24 AM Thread Starter
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Re: Re-Power your Craftsman LT1000 Lawn Tractor for under $650.00

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Great work. Only one thing I would like to mention is the oil you chose. For initial engine "break in" you never want to use synthetic as it wont allow the rings to seat properly. I properly "broken in" engine will have substantial longer life. The synthetics are so good that they are virtually frictionless which is great for the long run after initial break in. Also running multi viscosity oils will cause oil consumption in these small engines and are only recommend for winter usage. Warmer weather say 40+ you should be running sae 30. Again great work.
So at this point your recomending I switch over to the 30 weight dino and allow the engine to break in for a 25 hours, then switch back to synthetic at the next oil change? Or is the breakin period longer than a single oil change, ot at this point too late?

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Ability is what you’re capable of doing; Motivation determines what you do; Attitude determines how well you do it; and the measure of who we are is what we do with what we have.

- '58 RJ-58, '61 701, '68 Commando 8, '71 800-Auto, '72 800-Auto, '73 10hp 8-Speed
- 3533-A Cab, 7-2211 Cart, ST-324 Snow Thrower, 7-2513 36" Sweeper, RMR-32 Deck, CBR-32 Blade, AC-6 Cultivator, LR-24 Roller, 77-10DC01 Cart

Last edited by MikesRJ; 11-09-2008 at 08:12 AM.
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post #22 of 24 Old 11-09-2008, 08:08 AM
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Re: Re-Power your Craftsman LT1000 Lawn Tractor for under $650.00

When i repower a lawntractor i actually get a used motor off another tractor- ill pick one up cheep, make sure the motor runs decent ( no leaks) , take it off the donor and put it on . Since i prefer briggs , most swaps are plug and play- another rule i abide is always up the HP from the original- never go lower HP.

A good example is i bot a truckload of lawntractor parts off this guy- included was a brand new 13HP briggs- all for $100. When i sold a mower- i received a 99 murray 12.5HP with a bad motor in exchange. Less then 2 hours later, no additional parts needed, i had a running tractor.


Moldymac: yepper- the older briggs twins seem bullet proof- have 7 of em that are still going strong- the main failure of the ones that do fail is simple: lack of oil.

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post #23 of 24 Old 11-09-2008, 06:42 PM
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Re: Re-Power your Craftsman LT1000 Lawn Tractor for under $650.00

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McGuire2003
Quote:So at this point your recomending I switch over to the 30 weight dino and allow the engine to break in for a 25 hours, then switch back to synthetic at the next oil change? Or is the breakin period longer than a single oil change, ot at this point too late?
Yes I would switch out and go back to Dino for 25-50hrs. Then run syn and you can expect a super long life with your engine. good luck.

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post #24 of 24 Old 11-09-2008, 06:49 PM Thread Starter
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Re: Re-Power your Craftsman LT1000 Lawn Tractor for under $650.00

Thanks, will do.

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Ability is what you’re capable of doing; Motivation determines what you do; Attitude determines how well you do it; and the measure of who we are is what we do with what we have.

- '58 RJ-58, '61 701, '68 Commando 8, '71 800-Auto, '72 800-Auto, '73 10hp 8-Speed
- 3533-A Cab, 7-2211 Cart, ST-324 Snow Thrower, 7-2513 36" Sweeper, RMR-32 Deck, CBR-32 Blade, AC-6 Cultivator, LR-24 Roller, 77-10DC01 Cart
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