1979 toro 524- (38040) rebuild. - Snowblower Forum : Snow Blower Forums
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post #1 of 12 Old 12-15-2019, 11:42 PM Thread Starter
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1979 toro 524- (38040) rebuild.

Well its been a while since joining the forum and posting my thoughts of doing a repower project. Sorry for not posting as the build took place. i just get caught up in the project. Anyway my toro has what i think is one of the best Techumseh engines HS50-67074B so taking that off and slapping some new junk motor was absolutely not an option. so i took the long long very expensive route of doing a complete breakdown and rebuild with no aftermarket engine parts. here are just a few pictures of it done but i promise ill put a nice group of pictures together to show the build when i get a few min to go through them all. 1979 toro 524- (38040)  rebuild.-15764709248103666243570896097283_1576470957539.jpg

hoaned out cylinder
new standard rings
breather assembly
valves& springs
head gasket
actually every engine gasket is new
new muffler
gas tank
fuel lines
carburetor rebuild
electric starter

other than the engine

auger gear box rebuild with all new internal parts
impeller bearing with hardware.
upgraded about 80 percent of the hardware to stainless steel
new oversized tires for tough new england weather
belts
friction disc
lots of new bolts, nuts, bearings to make the transmission work for all 3 gears forward and 2 reverse.
new wiring for on/off switch
a few sticker decals
idler pulley
brake pad
shoes


the pictures i put up are from beginning Click image for larger version

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post #2 of 12 Old 12-15-2019, 11:50 PM Thread Starter
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i also did a repower with my wifes snowblower. yes, we each have our own his and her toros 521& 524 i put a 7hp ohv Techumseh on hers. i couldn't afford another vintage rebuild right now.
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post #3 of 12 Old 12-15-2019, 11:56 PM
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Hi swortman

Looks really nice. I did the predator swap on an Ariens 10000 series and I'm glad I did. I thought about a costly rebuild, but price changed my mind. I loved that Tecumseh engine, but 50 years was long enough for me.
Again, you did a great job!

Ariens 1969 10,000 Series-- Tractor 10965 serial # 005841 with 10995 serial # 023507 Sno-Thro
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post #4 of 12 Old 12-16-2019, 03:51 AM
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Congrats Swortman, well done sir...Very nice!

Perpetual optimism is a force multiplier!!
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post #5 of 12 Old 12-16-2019, 05:39 AM
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Where do you get the "Toro" Replacement Stickers?? Great looking rebuild, I have that same machine....needs an O/H, plus 724. 826 and 624 PowerShift.


GLuck, Jay
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post #6 of 12 Old 12-16-2019, 06:25 AM
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Hats off to you keeping old iron alive and well!

Who's machine had the "Keep your ********* off of my Toro"?

Those old school tecs are definitely a different beast than the modern era engines; once you get them dialed-in, the really purr (and growl when needed)!


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post #7 of 12 Old 12-16-2019, 09:04 AM
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Looks good in black.

Kudos for sticking it out with the Tec
.
.

1989 John Deere 1032
1979 Toro 5/24 38040 (now a 6.5)
1978 Ariens S16H Tractor & Plow
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post #8 of 12 Old 12-16-2019, 10:21 AM
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Very nice work. They will both be running for another 30 years.


Nice valve stem caps on the tires, you must be from the Northeast.

Toro 8/24 (38080) 1989
Toro 721-QZR (38743) 2015 (Hemi Predator Power)
Toro (51984) Hand Held Blower (For the light stuff)

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post #9 of 12 Old 12-16-2019, 01:33 PM
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I just picked up a 5 24 in great shape that just needed an impeller bearing. A 30 minute $15 fix. I got it from the original owner who just bought a new Ariens and didn't want to go through the repair. Well worth the $20 I gave for it......mine has a red engine....was the black engine standard in 79?
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post #10 of 12 Old 12-16-2019, 10:31 PM
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Very nice work there,Swortman.I'm glad you saved the original engine,once they're gone-they're gone.


I also Have a Toro 521 that I repowered with a Harbor Freight Greyhound 6.5hp about nine years ago.As much as I like the reduced noise and fuel economy of the OHV design,I am convinced that the original Tecumseh HS50 had a good deal more torque.


Unfortunately,something managed to find its way into the cylinder of the TEC, made two huge grooves and ruined the engine.


I wouldn't mind putting a low-hour Tec. 5 or 6hp engine back on it,but I'd really like to find a good old flathead Briggs for it.Don't see many of the old Briggs in winter clothes around here any more.Last one I had was a 7hp,somebody offered me ridiculous money for it and it was gone.
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