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Garandman


Location: South Boston, MA
Joined: Mar 10, 2005
Points: 341

Replacement snow engine for old Ariens Snowblower - Tecumseh, B&S, Honda?
Original Message   Mar 10, 2005 5:12 pm
I have an old Ariens snowblower that is in good shape but with a tired engine. I've been looking into a new replacement. The logical candidates seem to be the Tecumseh OHSK70, the B&S Intek 7.5, and the Honda GX200. 

The Honda seems to have the most torque (10 ft lbs) but is also by far the most expensive - $500 versus around $300 for the other two.

I have never seen a torque figure quoted for the Tecumseh, but it seems like the Intek 7.5 is around 7 ft  lbs?

Another engine that I came across was the Robin Subaru EX series, a 7hp OHC engine that has a lot of advanced features but isn't much more than the B&S or Tecumseh. They all have the same crankshaft (3/4") and height (about 4.17").
B&S sent me data sheets on the replacement: the Honda dealer has an employee who did one; and Tecumseh gave me all the dimensions and concerns (mostly about fitting the chute crank under the engine) but they all seem like they'll work.

I live in Boston MA and the current unit is a Tecumseh H50 on a 1970 Ariens. I checked the compression and it's 65 psi on the first pull and 75 psi after 2 or 3 (by hand pull). I do the sidewalks up and down the street for  some older (or lazier) neighbors so the kids can walk to school without walking in the road. The blower is great because it compacts the snow a bit and the biggest problem here after a snowstorm is finding a place to put it. I've used the unit 8 times so far this season.
This message was modified Apr 22, 2005 by Garandman
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jubol


Location: Dover, De
Joined: Oct 3, 2003
Points: 1558

Re: Replacement snow engine - Tecumseh, B&S, Honda?
Reply #13   Mar 11, 2005 3:30 pm
 Garandman,

I think the Tec engine mount holes are the same on the 7HP as your present 5.

Briggs will require drilling new engine mount holes, with the Tec, bolt it on.

Also check out, Tulsa Engine Warehouse, as they have the drawings of the engines,both Briggs and Tec's, with bolt patterns.                                          

                                                                                                         Fred    

This message was modified Mar 11, 2005 by jubol


Husqvarna STE927(11.5HP) snowblower,  MTD Pro Series 18/42 Lawnmower, MTD 6.5 HP  Self Prop Lawn Mower,  Weedeater 1500 Blower, Web Gensis  2000 
Garandman


Location: South Boston, MA
Joined: Mar 10, 2005
Points: 341

Re: Replacement snow engine - Tecumseh, B&S, Honda?
Reply #14   Mar 12, 2005 6:54 am
The new Tecumseh has the same size bolt pattern - but it's in a different location. The shaft height is the same for all of them. I have a picture a guy sent me that shows the relationship between the old and new. I took the drawings and made a dimensional cutout to see how the replacements would fit, and have pictures of my exact model with a Snow King and an Intek.  The exact same amount of work is required to fit any of the new engines. The exact same amount of work is required to fit any of the new engines.  The exact same amount of work is required to fit any of the new engines.......

I don't need electric start, so hunting around online including ePay, the best delivered prices I have so far:

Tecumseh HMSK 70 w/ 3/4" shaft - $255.
B&S Intek Snow 7.5 w/ 3/4" shaft - $240.
Honda GX200 w/ 3/4" shaft - $355.

Small Engine Warehouse seems to have the best prices overall, and folks who have done busines with them seem satisfied.


This message was modified Mar 12, 2005 by Garandman
Richie


Bring On The White Stuff

Location: Long Island, New York
Joined: Dec 12, 2003
Points: 562

Re: Replacement snow engine - Tecumseh, B&S, Honda?
Reply #15   Mar 12, 2005 7:05 am
Garandman wrote:

I don't need electric start, so hunting around online including ePay, the best delivered prices I have so far:

Tecumseh HMSK 70 w/ 3/4" shaft - $255.
B&S Intek Snow 7.5 w/ 3/4" shaft - $240.
Honda GX200 w/ 3/4" shaft - $355.





Prices really drop sharply when you don't purchase an engine with the lighting alternator or 110 volt electric starter.  I'd go with the Intec.  If that engine performs as good as it looks, you'll have a winner. 

Richie
jubol


Location: Dover, De
Joined: Oct 3, 2003
Points: 1558

Re: Replacement snow engine - Tecumseh, B&S, Honda?
Reply #16   Mar 12, 2005 8:50 am
  Garandman,

If it is the same work for all, I agree with Richie, go with the Briggs Intek.

It should make one heck of a difference.

Also I think you are going to have to change your pulleys , because of the increased HP.

You will be going from a 5 to a 7.5 which is 150% of original!

                                                               Fred 

Husqvarna STE927(11.5HP) snowblower,  MTD Pro Series 18/42 Lawnmower, MTD 6.5 HP  Self Prop Lawn Mower,  Weedeater 1500 Blower, Web Gensis  2000 
Vangellis


Dream more easy in the chair that really fits you.

Location: Factoryville, PA. (NE PA)
Joined: Oct 1, 2003
Points: 373

Re: Replacement snow engine - Tecumseh, B&S, Honda?
Reply #17   Mar 12, 2005 10:25 am
Another option online.   http://engine4less.com/shop/customer/home.php?cat=357

                                                                                                                         Kevin


Simplicity Conquest
Garandman


Location: South Boston, MA
Joined: Mar 10, 2005
Points: 341

Re: Replacement snow engine - Tecumseh, B&S, Honda?
Reply #18   Mar 12, 2005 11:43 am
SnowPro wrote:
Tough call, Garandman.  Sounds like you will have to do some fabricating regardless of engine used.  The B&S Intek  would be the engine of choice.  Don't let the numbers fool you. It WILL perform well.

Although..................replacing that machine with a newer one, that could receive a new engine, more easily if needed, is an option you can't ignore.  You may be able to find one that you could get many years of service from, and recoup some cost by selling the old one as is.  There always seems to be someone looking for something to tinker with.

As far as rebuilding goes,IMHO, they usually don't last all that long  that you feel you got your moneys worth.

Ken


That would be simplest, and probably cheapest. But least entertaining.

I have some nostalgic attachment to this unit as my dad bought it new in 1970. It's been extremely well cared for and maintained with new parts as apropriate and is overbuilt in a way modern design science doesn't accomodate. 

None of this makes economic sense. I use this thing 3-8 times a year to clear voluntarily clear sidwalks that I'm not obliged to clear - I just do it to be nice to some neighbors who are elderly, single moms, etc.  Las year I used it twice. So it's mostly for entertainment value.  The used market is pretty well developed around here - $200 to $250 for an old 5hp, $250 to $350 for an old 7hp. The 8hp often sell for less because they're heavier and harder to handle. Newer ones sell for $400 to 600.

The 10 ft lbs of torque on the Honda is appealing. I could paint it  white like the old Tecumseh and cause great puzzlement amongst owners of newer equipment. The folks I've spoken with who've "hot-rodded" them with large frame engines have regretted it because of the need for a different length v-belt and other changes. But the Intek is reasonably priced and may produce as much as 9 ft lbs of torque, so that looks like a prett nice choice. Having something that pollutes less is a good thing, as well.
This message was modified Mar 13, 2005 by Garandman
Garandman


Location: South Boston, MA
Joined: Mar 10, 2005
Points: 341

Re: Replacement snow engine - Tecumseh, B&S, Honda?
Reply #19   Apr 19, 2005 10:35 am
I bought a B&S Intek Snow 7.5 with electric start & alternator. 

B&S was the most helpful in giving advice about the transplant; the engine seems to perform well; and they have a two year warranty. Tecumseh was responsive but didn't have the pictures and directions B&S offered. Honda would not offer any advice at all and referred me to a local dealer, who quoted me $499 for a GX200. He'd put an 8hp Honda on his Ariens but that's a more difficult change because the crankshaft is a different height. I never got a square answer as to what changes would be required to use a Honda on a snowblower.

Since I had to send the blower housing out for welding anyway, I cut off the bracket for the auger crank handle and will have it welded on to facilitate adding the u-joints required with the new engine. My blower is not the one shown (that's a B&S picture, I believe, but on the smallenginewarehouse site) but is otherwise the same model, so the OHV engine would interfere.

I'm changing the friction disk while I'm waiting, repainting everything, changing to Snow Hog tires, etc.  I bought the Duplicolor Chevy Orange DE1620 as suggested by Itzbinnace, and it does seem to be a perfect match for Ariens Orange.


This message was modified Apr 19, 2005 by Garandman
Garandman


Location: South Boston, MA
Joined: Mar 10, 2005
Points: 341

Re: Replacement snow engine for old Ariens Snowblower - Tecumseh, B&S, Honda?
Reply #20   Apr 26, 2005 9:51 am
Here's the new and the old.

Imagine my surprise after  hearing from various sources that this change was difficult or impossible (local dealer) to see that the new engine mounts perfectly on the old studs for the H50. They're too short and will have to be drilled out and  longer bolts used, but everything will bolt right on.

A  couple of ujoints for the chute crank and we'll be done!



snowshoveler


tides in dirts out surfs up

Location: bridgewater nova scotia...aka the swamp
Joined: Jan 3, 2003
Points: 1261

Re: Replacement snow engine for old Ariens Snowblower - Tecumseh, B&S, Honda?
Reply #21   Apr 26, 2005 5:01 pm
i have swapped a lot of the 10 and 11 inteks for old tecumseh.

havent had many problems with the swap.in fact we usually do it for the old engine.

we sell the iginition and carbs and make a few bucks here and there.

the ariens is sometimes a bit more time ,like you said you will have to modify the chute crank.but its not to bad .and wow what a machine you have when your done.

later chris 

craftsman 10/28 snowblower with tracks   husky 372xpg chainsaw   sachs dolmar bc212 bushsaw   mondo trimmer   monster tractor with trailer    cheep wheelbarro and couple shovels and a partridge in a pear tree 
Marshall


As Long As There Are Tests, There Will Be Prayer In Public Schools. ;- )

Joined: Sep 16, 2002
Points: 7730

Re: Replacement snow engine for old Ariens Snowblower - Tecumseh, B&S, Honda?
Reply #22   Apr 26, 2005 8:36 pm
Reminds me of an Escalade sitting next to an old Dart. 

Congrats, that's going to be a great set up when you're finished.
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