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post #1 of 86 Old 04-04-2017, 11:28 PM Thread Starter
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HSS1328AATD Build

Snow season is over for me, so what better time to get going on the build. Interestingly to me, I feel compelled to mod and "improve" this machine because I like it so much.

I made some good head way last Saturday. Aside from a slew of chores, I got going on tearing the machine down. I have to say, it was surprisingly easy. I never dug this deep into a Honda HS or HSS. The build quality of these machines is very impressive. Through and through, it's easy to see the strength of the structure, and the upper echelon detail. Good engineering, heavy steel, Lots Of Bolts, all with a welded nut to mate with.

Took me under 2 hours to have the machine into pieces, wiped down, and surface treated with fluid film.

I basically removed the cover and chute, then separated the bucket from the tractor, then removed the engine and installed the 1332 engine bed plate.

Cleaned all the nooks and crannies before installing the engine bed. Anything, galvanized, or aluminum was coated with fluid film. Anything painted was wiped down with a little fluid film.

Yesterday I started working on impeller seals. I have discovered that an impeller mod does more then improve snow throwing. It also reduces the impact of pebbles between the Impeller and Housing from a gouging to a more acceptable scratching. I get so many **** pebbles on my street, my towns salters must have stone mixed with the salt. My MTD with an impeller kit has a fraction of the scratching that my Honda is getting. The pebbles are the perfect size to stagger the 1/8 - 3/16 gap my impeller has.

I touched up the impeller housings on both machines before winter storm Stella hit. My MTD cleared twice as much EOD with an 1/8 of the visible wear. The Honda was showing polished metal all over.

I accumulated some plate steel, 3/16" conveyor belt, and stainless hardware.

So far I have the plates fabed up, and the impeller + housing primed for paint.

The GX390 finally came in today. I dropped the engine on its studs bolted it down and attached all the cables and wiring. Perfect fit, bigger in all dimensions, but fits fine. I went to the 1332 drive pulley as well, because the auger pulley is a larger diameter. Faster impeller speed.

I have a bunch of small adjustments to make once I get the bucket reattached. The service manual is full of specifications. From the obvious engine rpm, to cable adjustment gaps and belt stop gaps. Back to the detail in engineering.


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Time for an update:

So I've had a productive Saturday. I did some yard work, Got all my summer machines up and running, repaired my washing machine, reorganized my shed, and assembled the Honda.

I touched up all the paint on the machine, finished my impeller seals, and put the two halves of the machine together. Everything went together well, and I went through my manual and set all the pertinate adjustments as specified. The new engine fired up first pull, I have electric start, but I wanted the satisfaction of pull starting it for the first time. I ran it for a while to have the engine fully warm up before dialing in the idle and full throttle speeds. 2000rpm idle, 3500rpm full. (specified in the manual.)

With the impeller kit, the re-enforcement under the impeller blades doesn't leave many good locations for drilling and bolting. So I found the best spots and came up with a plan. The impeller throws snow, but it also flings it so I wanted to make the surface as smooth as possible. Decided on a large plate (12ga), contoured to the shape of the impeller blade and added a bend at the base of the plate so it ramps up, instead of a step up. Plus I used carriage bolts to yet still, keep things smooth. It may be difficult to see but I filed a square for the bolt to sit in and lock into place.

[IMG][url=https://flic.kr/p/WySdYA][/IMG]

[IMG][url=https://flic.kr/p/XzHTSQ][/IMG]

As I posted before, the 1332 engine bed bolted right into place and the engine right to the bed plate. All of cables, wires, belts, and belt stops bolted right into place. I could have bought the proper left side belt stopper but frankly it wasn't nessesary, all it needed was a slight bend to accommodate the larger 1332 auger pulley. (3.3" vs 3.5") $17 saved.

[IMG][url=https://flic.kr/p/XLvTj7][/IMG]

I didn't reassemble the chute and motor cover yet because I want to tweak the design on my modified chute. Here is the 95% finished product.

[IMG][url=https://flic.kr/p/WySdLb][/IMG]

[IMG][url=https://flic.kr/p/XLvTDA][/IMG]

The GX390 is bigger then the 270 L x W x H, but fits well within the dimensions of the 28" bucket. The recoil starter is noticeably closer to the battery and the muffler extends closer to the edge of the buckets coverage. The protective cage around the muffler sits right inline with the edge of the bucket.

I don't think a GX390 would have practical physical fitment on a 724 machine.

[IMG][url=https://flic.kr/p/XLvTau][/IMG]

I should have done a size comparison photo of the gx270 and gx390. I can maybe still prop up the 270 next to the machine for comparisons sake. But here are the bed plates side by side. You can see the difference in stud locations. GX390 on the left.

[IMG][url=https://flic.kr/p/XQCZF6][/IMG]


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Update:

So it's all back together. I made an adjustment to the chute collar and added UHMW to the back of the chute. I changed the pitch of the collar slightly.

I adjusted the distance at the top of the collar from 6" to 5.75". Stock is 5.25. This should take care of the little bit spray I was getting with the chute facing all the way to the right.

[IMG][url=https://flic.kr/p/XLvSN7][/IMG]

The adhesive backed UHMW is a royal pain to shape to the chutes contour. It's nearly impossible to shape it to do the back and sides in one piece. So I just did the back with a 1" rise up the sides in one piece, that's where 90% of the benefit is anyway. I sealed the edges with clear rtv. Just going to have to see how it holds up. My main reason for the liner is to eliminate the need to paint the chute Every season.

It's a bummer having to wait 8 months to try this thing out. Oh well.

[IMG][url=https://flic.kr/p/XLvT2d][/IMG]
[IMG][url=https://flic.kr/p/XLvSxN][/IMG]
[IMG][url=https://flic.kr/p/XCpUb2][/IMG]

For comparisons sake here are two pictures of the machine from a similar angle.

Gx390
[IMG][url=https://flic.kr/p/XCpTQn][/IMG]

Gx270
[IMG][url=https://flic.kr/p/XeHA7h][/IMG]


----------------------------------------------------------------------------------------------------------------


Fun little Update.

Its official.




-----------------------------------------------------------------------------------------------------------------

Update:


So I felt like changing things up a bit. I like my Falline skid shoes, but the new Armor skids for Hondas are Very Impressive. Ive installed a few pairs for customers this year and they love them. Especially the guy who destroyed his bucket with the abutments he was blowing over. (Lots of metal work and Welding to fix that one)

Like I've said many times, my driveway is heaved and wavy. Poly skids, and 4 points of contact has done wonders for how my machine tracks. I'm a fan for having my cake and eating it to, so I what else to do but line my Armor skids with UHMW.





Next I wanted to raise my auger height. From the factory the Augers are Very low to the ground, and have the tendancy to bite into my heaved sections of blacktop. This is carving away the blacktop and grinding material from the serrated augers, so I bumped the augers up to 5/8". Stock is around 3/16". This is done by adjusting the scraper blade down with a spacer under the augers.

I figured if i was going to all this trouble I might as well do one more REALLY GOOD bucket alignment. I went around my garage with a straight edge and found the most level section of concrete I had. Loosened the auger housing bolts got the halves to float with no pressure and used a pair of equal spacers under the bucket for setting my auger height while still trying to keep everything as true as possible. I wanted to make sure that there is equal weight on both sides of the bucket as well. I basically lifted up lightly on one side of the bucket then the other and made adjustments until they "weighed" the same and locked it in.

5/8" spacers combined with a final 1/8" shave plate spacing got me my 5/8" auger to blacktop spacing. Yes this spacing will effect how well it can chew into the tough ice layer that forms under piles after a few thaw and freeze cycles. But I clean everything so thoroughly after a storm that I don't need to go back days or weeks later to chew that ice up. It was way more prudent to not chew up my driveway. I'll bite the $8000 paving bullet one day...








I also tweaked my UHMW lined rear skids. I used to have the lining go all the way around and sandwich between the bucket and skid, but I sometimes like to adjust the rear skids on the fly for doing my back yard and it was annoying to have to uncompress the UHMW over the course of 7 30 degree nut turns with a wrench to get it loose enough to slide up and down. Now the lining is bolted only to the bottom of the skid and a quick two turns of the wrench has the skid loose enough to adjust.



Finished Product.... One thing worth noting. The armor skids are designed to clear the shave plate side bolt without needing spacers while allowing access to it. Unfortunately the extra material under the skid shoe combined with adjusting the shave plate down forced me to cut a significant amount of material from the shoe for proper clearance. It did not weaken the shoe, it nice that these shoes are built like a brick s**t house.

A very nice member of the forum gave me a piece of UHMW to sister to my shave plate with all the holes pre drilled. I unfortunately forgot about it until I finished this project. But in the future Ill add it to the mix. just one more thing to keep things moving smoothly.



—————————————————————————————————————————————————— —-

Forgot to bring up rejetting.

I also rejetted the gx390. It’s all the rage night now lol. But for good reason, these engines, are definitely running on the leaner end of things.

So the stock gx390 jet in a HSS1332 is on record for being approximately .039”. I bought from OMB warehouse .041 and .042 jets.

I went straight to the .042 jet on my nearly new GX390. The most recent Honda I serviced for a customer was an HS1332 with well over a hundred hours on it and man was this thing was running lean! I kept up sizing the jet .001 and it didn’t really level out and run smooth until hitting .043.

So my HSS1328, has 3 operating hours on it, and the .042 has made a significant improvement.

Cold starting the engine at 20 degrees today, it can be pulled off choke in under 10 seconds without hunting.

Warm restarts are instant and can be done with the throttle down to idle with out choke.

But Jumping from idle to full throttle the engine stumbles a bit.

At .042 and only 3 operating hours, my machine is running slightly rich. .041 would have been the perfect size for my engine at this stage. But not before long .041 would be on the lean side too.

I’m going to stick with a .042 jet until I feel operating conditions lend themselves to bumping up to .043.

This likely works the same with Gx200s and gx270s. If you are wondering how much jet you need. Just start with one slightly larger and go up as needed.


—————————————————————————————————————————————————— ————

Big storm update.

Winter storm Riley put down ~12” of really heavy snow by me. Perfect conditions for the 1328! I’ve been waiting a year for this. It’s melting fast though.

I put 3-4 hard hours on the machine. It’s a beast, and it’s continuing to wake up the more I use it. I might bump up to the #110 .0433 before putting the machine away for the year.

The snow was icy and wet, just plain heavy. Throwing distance and throughput was great, I’m very happy with its power and performance. I would have been out there a lot longer with gx270.

My impeller kit, has saved my impeller housing. I cleaned up a lot of plowed snow at the curb for me and my neighbors. The pebbles that have been a thorn in my side are of no concern any longer.

The armor skids have more float then I would like though. I don’t want to give up on them quite yet, so I plan to narrow the skids a bit and see how it does next storm. When ever that happens.

Now the snowblower porn...








—————————————————————————————————————————————————— —


Update

So I’m gearing up for the next nor-Easter. Winter storm Quinn. Last weeks storm consisted of rain turning to snow and created a base layer of super hard compacted and frozen snow.

Any skid shoe would ride up on that kind of snowcrete but the armor skids floated way more then I would have anticipated. I do really like the armor skids, but want a little less float.

Sooo. After an hour at the band saw... I took off a 1/4” from each shoe. Gotta see how it works out tomorrow.




—————————————————————————————————————————————————— —————-

Update

So not exactly an apples to apples comparison but very close. These past two nor’easters have been big snow falls, very heavy, and accumulated with a similar compacted slush base.

The narrowed armor skids perform BETTER. Im very pleased.

The snow this time around was even more deep and wet then last weeks, the GX390 has really come alive over these last 5-6 hours of hard use.

Heavily loaded, lugging 3400rpms... outstanding throughput and distance.

Honda HSS1328AATD | Honda HS720 | Toro Powerlite | Simplicity 860se


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Last edited by drmerdp; 03-06-2018 at 02:30 PM.
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post #2 of 86 Old 04-05-2017, 12:12 PM
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Very cool.

I think you're going to like the 390 in the 28" frame set...I know I would!

Please keep us posted.

Honda HS828TAS (1991) – Made in Japan with Thai built GX240
Honda HSS1332ATD (Late-2015) – Made in USA with Thai built GX390

180" to a rare 350" of snow per year (Alberta Clippers & Lake Michigan), 644' gravel driveway, 2 vehicle parking areas, 500' of trails around small house with an unheated garage.
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post #3 of 86 Old 04-05-2017, 01:09 PM
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Cool project.

Seems odd to do this to a brand new machine though. I can understand doing it to an old machine with a worn engine.

Did you purchase the 928 thinking it would be enough, but found yourself unimpressed with the power? Just wondering why you didn't go with the 1332 to begin with. It's only 11 pounds heavier than the 28 so as far as ease of handling goes you won't notice a difference. And most of that extra weight is in the engine itself, so the weight difference between your 1328 and a 1332 will be much less than that even. Unless you have walkways or areas in which a 32" physically won't fit? Not hating, just curious.

I am sure it will be an enjoyable learning experience nonetheless.
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post #4 of 86 Old 04-05-2017, 01:22 PM
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Quote:
Originally Posted by drmerdp View Post
Snow season is over for me, so what better time to get going on the build. Interestingly to me, I feel compelled to mod and "improve" this machine because I like it so much.

I'll post more pictures soon. Teaser for now.
Thanks. I have to admit I've been guilty of tearing new things apart for the giggles of it. Keep up the pics and any lessons learned coming. There's a guy up here in Canuck land who took apart a new GX200 and its equivalent Chinese clone just to compare the two. Surprisingly, there were a few things done better on the clone. So we can always learn from these tear downs.

I'm prepared to do the chute mod if needed, but not quite ready to tear down my 724. It's still too shiney. I bought the shop manuals for both my 724 and my 520. I've torn the single stage down already and learned a lot.

Thanks.

----------------
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post #5 of 86 Old 04-05-2017, 01:54 PM Thread Starter
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Quote:
Seems odd to do this to a brand new machine though. I can understand doing it to an old machine with a worn engine.
Agreed. Average Joe should not do what I'm doing. But I'm not average Joe.

I didn't buy a 1332 for a few reasons.

First, the additional cost was a little frightening to me. It's already a big purchase, plus I had just bought my first house.

Secondly, I have an awesome cargo carrier with ramp that would not accommodate a 32" bucket.

Lastly, It's amazing how in my garage and shed, 4" of additional bucket width totally through a monkey wrench into my storage configuration. My 26" MTD fit perfect. The 28" Honda is tight. The 32" would be a nuisance. (I'm sort of a Power Equipment nut, I have a bunch of equipment.

The 1332s auger protection system does have me a little jealous. I'll just have to keep telling myself that it's one less thing to break.

The GX270 felt underwhelming at first, after about 10-15 hours it's clear that the 928 combination is not underpowered. It did great during the 24" of winter storm Stella. But... it's obvious that the machine has so much more potential with the limiting factor being the power plant. Though the 1332 has a larger bucket, a 1328 can move just as much snow per hour. Its the difference of a larger swath at a slower speed, and smaller swath at a faster speed.

Why not make an EXELLENT machine AMAZING? I'm still torn between keeping the gx270 or selling it. I can't help thinking how sweet an HS924 wheel or track would be as a backup.

Honda HSS1328AATD | Honda HS720 | Toro Powerlite | Simplicity 860se


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post #6 of 86 Old 04-05-2017, 04:17 PM
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That spare gx270 would be a fine engine for a go kart!
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post #7 of 86 Old 04-05-2017, 11:46 PM
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Go for the HS/HSS924. JnC did an HS924TA and was pretty happy with it.......
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post #8 of 86 Old 04-06-2017, 01:37 AM
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That spare gx270 would be a fine engine for a go kart!
Not any go-cart from my youth. I remember gears, chains, belching 2 cycles, pushing up hills with my foot, and the occasional fire.

If I had a GX270 on a go-cart I'd also expect quadraphonic sound, heated seats, ABS and a backup camera.

Oh yeah....it had better have a cup holder. No self-respecting 10 year old boy will ever catch the eye of a righteous babe w/o a latte shelf.

(I love those Honda GX's).

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post #9 of 86 Old 04-06-2017, 10:21 PM Thread Starter
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Oh yeah....it had better have a cup holder. No self-respecting 10 year old boy will ever catch the eye of a righteous babe w/o a latte shelf.
lol, I'm afraid go karts are off the table... For now...

The 270 needs a home on a snowblower. Whether I do it or someone else does. For me it would have to be a 24" machine. It would be nice on a powershift or a stout snapper or Ariens. But keeping things Honda would be nicer.

I've been keeping my eyes peeled for an Hs80 or 55. But For the most part, People want way too much for these machines still.

Honda HSS1328AATD | Honda HS720 | Toro Powerlite | Simplicity 860se


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I've been keeping my eyes peeled for an Hs80 or 55. But For the most part, People want way too much for these machines still.
I'd look for an HS724 or HS624 instead due to their hydrostatic transmission, it would be a much better option.........
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