"BIG" Bore Piston Upgrade - TONS of HP!!!

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"BIG" Bore Piston Upgrade - TONS of HP!!!

Post  Hodakaguy on Sun Jul 05, 2009 2:44 am

Now If I could just get it to fit I could develop some serious HP! Just think of the low end grunt, of course picking the bike up after it falls over may require a fork lift BRP smile



This came out of one of our engines at work. They are a 1950's Ingersoll Rand intergral engine/compressor for compressing natural gas. The bare piston weighs 400lbs. The valves have a 1" stem on them. The engine develops 1000 hp at 330 rpm's.



I cut out a plate and bolted it to the top of the piston, works great for a vise stand. nice

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Re: "BIG" Bore Piston Upgrade - TONS of HP!!!

Post  Focker on Sun Jul 05, 2009 4:12 am

I wanna see the chain upgrade! waiting

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Re: "BIG" Bore Piston Upgrade - TONS of HP!!!

Post  Hodakaguy on Sun Jul 05, 2009 6:14 am

Well as luck would have it I have just the chain sitting around in the garage. I tried it on for size and wouldn't you know it....I think I'd have to modify my sprockets as well, maybe even a new chain slider. One mod always seems to lead to another. Oh well, maybe I'll just keep it the way it is BRP smile



This is a water pump drive chain that came out of the same engine that the piston above came out of.

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Not to point out bad news ...

Post  Bump on Sun Jul 05, 2009 6:15 am

But it appears that ridiculously huge Acerbis gas tank has created too many pounds per square inch at the point your kickstand makes contact with your garage floor and has cracked your whole pad! Yikes.
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Re: "BIG" Bore Piston Upgrade - TONS of HP!!!

Post  husky123 on Sun Jul 05, 2009 4:41 pm

That is f'ing awesome!!!
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Re: "BIG" Bore Piston Upgrade - TONS of HP!!!

Post  Matthendurocat on Wed Sep 02, 2009 7:24 am

wake up Awsome.
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Re: "BIG" Bore Piston Upgrade - TONS of HP!!!

Post  AURORA on Thu Sep 03, 2009 2:23 am

This turbo would make your BRP even better:

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Re: "BIG" Bore Piston Upgrade - TONS of HP!!!

Post  modette on Thu Sep 03, 2009 3:56 pm

for an exhaust just use something like this fellow has:

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Re: "BIG" Bore Piston Upgrade - TONS of HP!!!

Post  river on Sun Nov 15, 2009 2:49 am

What is the black side cover on your bike's motor, Hodakaguy?
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looks like...

Post  Bump on Sun Nov 15, 2009 4:51 pm

Looks like a Giantloop bag to me. Great people and great products. http://www.giantloopmoto.com/ Ask for Dave Wachs. Tell him Pat says, "Hello!" I don't think you'll find any used out there. It's pretty new and the satisfaction seems pretty high. They had deal at xmas last year...

The best part about them is you don't need any sort of luggage rack or any of that crap that adds weight, expense, and crash repair dollars to riding. I did add a fender support after Dave (Wachs) suggested it. There's a thread about it on here somewhere. I used the http://fourstrokeworks.biz/ (last product under "Body & Lights" from the menu at left), and it has exceeded my expectations. It's all stainless and very well made.

I hope that helps!


river wrote:What is the black side cover on your bike's motor, Hodakaguy?
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Re: "BIG" Bore Piston Upgrade - TONS of HP!!!

Post  river on Mon Nov 16, 2009 4:29 am

Thanks, actually I got my answer on another thread, it's the aluminum side case protector that he powder coated black. But glad you posted those links, will be useful to me if I go dual sporting. I at the moment see myself taking long enough trips through the desert to need to carry gear. I'm wiped out after a couple hours. Guess the Baja 1000 is out.

That fender support looks good but does it just use the two bolts in the end of the subframe? I would be scared to trust that. The item above it looks interesting, it gives me an idea for how to build a good supporting link from the frame. Between that and this, I'll devise something some day.

http://www.xr650rforum.com/the-mod-squad-f2/xr650r-panniers-racks-for-over-50lbs-capacity-t228.htm
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Subframe

Post  Bump on Mon Nov 16, 2009 5:29 pm

Subframe is the weak link in all this. I talked to Jerry (I think it's Jerry) at fourstrokeworks.biz and he'd be willing to fab up a SS subframe and all. But I was the only one willing to buy one that I could find. So I'd be paying for the whole jig and all. I think they said $700-$800. If we got a group to commit then I'd be in.

I too built my bike for long rides. I thought about racing it at first but I've had kids since I bought the bike and have lost interest in the assuming the risks... My thinking is some three to six days overnights that go point A to point B. Slowly I've been assembling what I think I will need. A group of guys invited me on a trip last summer but my oldest got pneumonia just before the ride. These guys were fishing in Sierra lakes for dinner and everything! We were paying another guy to meet us at various times with gas and supplies.

I know a guy who does similar rides in Baja with friends. He has a non-riding friend following along in his Toyota 4X4 with gas and stuff. IMHO, you are in the perfect area for these rides. As I see it the main challenge is sleep. I can put up with almost anything if I have a good night's sleep. I'm not certain if that means some really trick bedroll or Codeine.


Last edited by Bump on Tue Nov 17, 2009 5:00 pm; edited 1 time in total
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Re: "BIG" Bore Piston Upgrade - TONS of HP!!!

Post  river on Mon Nov 16, 2009 8:26 pm

I recently invested in a really good tent, sleeping bag, sleeping mattress, and waterproof bags for touring on my ST. If I could get that on the R, these kinds of trips sound great. I haven't fished much since teen years, but would love to get back into trout fishing. Nothing better than fresh caught trout cooked in a skillet with corn meal over a fire. So I'm keeping any eye on all the luggage ideas coming along.

Yeah, there are good reasons why more physically demanding forms of racing is a young man's sport. My knees hurt when I stand up, leave alone blasting through the desert
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Camping

Post  Bump on Tue Nov 17, 2009 5:08 pm

I've been watching the Other thread in the Flea Market on Advrider. I learn a lot just from watching what others get rid of. And I sometimes buy something that looks appealing. Nice thing is I usually get it at least half off retail and can resell if it doesn't work for me.

I really like this so far: http://www.luxurylite.com/cotindex.html I lived three summers in Alaska fishing and whatnot and found that keeping my sleeping gear off the ground prevented a lot of problems. A few I can recall all these years later are that it makes it easier to be warm with a less bulky sleeping bag. It prevents the bag from wicking moisture up from the ground. It removes the problem of having an uneven sleeping surface which means no tool needed to smooth it out. And it keeps bugs off more. Downside is it's a little noisy, one more thing to carry, can be hard on tent floor if not careful.
But the real thing for me is that it gets me off the ground so the earth is sucking all the heat out of my body where I'm on the ground. That really makes my flexibility and soreness the next morning a lot more tolerable. I hate waking up with my back, or a hip, or shoulder all stove up from being on ice for six hours.

The codeine is really key... I'm 6'4" and 250 and I take it on plane flights too. My goal is to get back down to 195 in 2010. everything is easier then...
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