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6x4 engine rebuild vsHarbor Freight 22HP
Just picked up a 6x4 with a totally toast engine, almost zero compression. Rebuilds on these engines doesn't sound like a big deal, but I'm also seeing a lot of issues with the cooling systems. So I'm considering swapping out the original engine for Harbor Freight's 22HP Predator, which I hear a lot of good things about. Aside from being a solid engine with plenty of power, the elimination of the cooling system vastly simplifies things.
I know I'm not the first to consider this swap, so I'd like to hear from anyone who's done it, the successes as well as the horror stories. Thanks.
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6x4 engine rebuild vsHarbor Freight 22HP
Having to raise the bed is pretty extreme, but compactness is not one of the Predator's strong suits. From my rough calculations, it'll be a tight fit in the Gator, but should fit with a few mods and new mounting plate. Again, height is likely to be the critical dimension.
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6x4 engine rebuild vsHarbor Freight 22HP
Update, I pulled the heads and the cylinders look great, so unless I find a surprise when I break the cases open, it looks like a re-ring and bearing job. At this point, the HF engine looks less attractive. Now if I could only get that #%$*&^ clutch off.
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6x4 engine rebuild vsHarbor Freight 22HP
Train, you totally described the problem with my engine. When I finally got my clutch off (more on this later) and opened up the case, it jumped right out at me-the plastic cam gear has about a half dozen teeth missing. Hard to understand why a piece of plastic wouldn't hold up in those conditions??? Anyway, I'm going to roll the dice and assume the new (steel) gear will be my fix. The cylinders appear 100%, not a surefire indicator of good rings, but close enough for me.
As for the clutch removal, I did a search and found the link below. It's a very simple trick and requires a total investment of about a buck and a half for a 9/16" or M14 bolt (almost identical, bnelieve it or not) You really have to reef on the bolt, but just about the time you think it's not going to work the thing comes off with a bang. Good luck..
Link:
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6x4 engine rebuild vsHarbor Freight 22HP
I've got a full gasket set coming, not sure if it includes the CS seals, but worth a check. The engine didn't appear to be leaking at the seals, but after mucking around with it, who knows what I did to screw them up. Thanks for the tip on the head resurfacing. It shall be done.
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