SuzukiSavage.com - New member with an interesting build!

RobSutt

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New member with an interesting build!
01/05/15 at 14:18:40

I just bought a dune buggy and what pleasently suprised when I realized the engine someone put in it was non other than the thumper itself. Was going to replace it but now that I know what it is I'm excited to rebuild it. Or atleast partially rebuild it. It's currently running but I have to rebuild the carb, fix several oil leaks, and not sure what else.

Have been reading up on the forums and located some carb parts, gasket set, etc. I'd like to replace the current piston with a high compression one (no bore I hope needed) and possibly a simple CAM swap. I'd like to get it into the 40s in HP and Torque. It's a 1997 from what I can tell from the stamp (thanks for forum posts).

I've book marked several of the topics like petcock, etc.

Any advice on rebuild and piston/cam combo? Not looking ata spending a lot of money. Mostly a project to teach my kid how to work on this stuff. When I get a chance I'll post a pic. It's cool looking sitting in the back of the buggy.

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Dave YaBB Moderator ModSquad Offline SuzukiSavage.com Rocks! Posts: 18098 Camp Springs, Kentucky Gender:	Re: New member with an interesting build! Reply #1 - 01/05/15 at 14:41:43 Wiseco piston is the only high compression option.....and a bore is required as the smallest piston available is 95mm. Our stock bore is 94mm. If you want to hop it up....it does cost a bit of money. Look here for hop up information. http://suzukisavage.com/cgi-bin/YaBB.pl?num=1338581006
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RobSutt YaBB Newbies Offline SuzukiSavage.com Rocks! Posts: 24 Tustin, CA Gender:	Re: New member with an interesting build! Reply #2 - 01/05/15 at 22:04:05 Thanks Dave great link. One thing that confuses me a bit on the big bore is why not just buy the piston and I take it to a local machine shop for bore? That's how I do my Chevy small blocks. Is there something special I'm missing that requires this "kit"?
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Dave

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Re: New member with an interesting build!
Reply #3 - 01/06/15 at 03:33:15

Lancer is a pioneer in the performance modifications to the LS650 engine, and the link I provided to his thread in this forum makes it possible for you to get the parts that can just be bolted on. If you want to shop around and find this stuff yourself - you can certainly do that.

You can buy the piston and take it to a local shop.....just be sure they can accurately do the work. There have been a few failures posted on this forum when the piston/cylinder clearance was not done correctly. Be sure that the folks you take your cylinder to know what they are doing. I don't know how similar it is to bore an air cooled motorcycle cylinder vs. a water cooled V-8.

Lancer uses Boretech, and the cylinders have a Silicone Carbide coating that makes the bore far more durable. Boretech is a company that is known for quality work, and they do this work on motorcycle cylinders everyday. Boretech is a one man shop, and he rides and races motorcycles.....you will not find a better place to get the work done.

The Boretech Land Speed Honda 350.

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justin_o_guy2 Serious Thumper Offline What happened? Posts: 55279 East Texas, 1/2 dallas/la.	Re: New member with an interesting build! Reply #4 - 01/06/15 at 06:26:52 No better advertising for a speed shop than a speed record.
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pg Serious Thumper Offline Posts: 5273 In Transit	Re: New member with an interesting build! Reply #5 - 01/06/15 at 07:40:03 What's he got in that picture, nitrous-oxide?
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Dave YaBB Moderator ModSquad Offline SuzukiSavage.com Rocks! Posts: 18098 Camp Springs, Kentucky Gender:	Re: New member with an interesting build! Reply #6 - 01/06/15 at 08:09:55 pg wrote on 01/06/15 at 07:40:03: What's he got in that picture, nitrous-oxide? No Nitrous....it is a mechanical fuel injected, alcohol burning, Honda 350.
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Serowbot YaBB Moderator ModSquad Offline OK.... so what's the speed of dark? Posts: 28660 Tucson Az Gender:	Re: New member with an interesting build! Reply #7 - 01/06/15 at 09:15:09 We want pics... ...
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Dave

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Re: New member with an interesting build!
Reply #8 - 01/06/15 at 11:06:39

Yep...we do want pics of a Savage engine buggy.

I have occasionally thought the engine might do well for other uses. The engine and head don't have an abundance of cooling fins however - so use in something that restricts airflow to the engine (or low traveling speeds) might not be all that friendly to the engine. That might even explain why you may be having some oil seepage issues.......the gaskets and seals may have been cooked.

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verslagen1 YaBB Moderator ModSquad Offline Where there's a will, I want to be in it. Posts: 28886 L.A. California Gender:	Re: New member with an interesting build! Reply #9 - 01/06/15 at 13:14:38 You can get a lot out of a performance carb and muf upgrade only. I can go uphill at 85 with a stock carb, K&N drop in filter and either a supertrapp, sporty or drilled out stock muff. But, put on an Edelbrock and I'm doing 95... and that wasn't maxed out.
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pg Serious Thumper Offline Posts: 5273 In Transit	Re: New member with an interesting build! Reply #10 - 01/06/15 at 13:36:20 Dave wrote on 01/06/15 at 08:09:55: pg wrote on 01/06/15 at 07:40:03: What's he got in that picture, nitrous-oxide? No Nitrous....it is a mechanical fuel injected, alcohol burning, Honda 350. Ok thanks.
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RobSutt

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Re: New member with an interesting build!
Reply #11 - 01/06/15 at 13:44:30

Here's some pics. Also I have what I think is the original carb for it but they installed a Keihin PWK 36E4 on it. I sent Keihin a note asking what that application that carb was made for. The main issue with it right now is that starting at about 3500 RPM it starts are backfire so much it sounds like a 2 stroke. Which is what's making me wonder about this carb they put on it. It also has oil leaks but those are easy to fix.

Butt end view.

Here you can see the air filter and exhaust clearly.

Here's the carb they put on it...

Here's the carb that believe belongs on it that was just sitting on the buggy when we bought it.

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verslagen1 YaBB Moderator ModSquad Offline Where there's a will, I want to be in it. Posts: 28886 L.A. California Gender:	Re: New member with an interesting build! Reply #12 - 01/06/15 at 14:24:13 If it's cutting out at 3500, then it's either a problem of the main jet too small or you have the wrong needle. You might try the stock carb for sh!ts and giggles.
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Dave YaBB Moderator ModSquad Offline SuzukiSavage.com Rocks! Posts: 18098 Camp Springs, Kentucky Gender:	Re: New member with an interesting build! Reply #13 - 01/06/15 at 15:30:25 Before you start hopping that thing up with a high compression piston and cam - you might want to see what happens when you get it running. You might find out that there is plenty of power in the stock engine to get you into trouble!
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RobSutt

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Re: New member with an interesting build!
Reply #14 - 01/06/15 at 15:50:27

Dave wrote on 01/06/15 at 15:30:25:

Before you start hopping that thing up with a high compression piston and cam - you might want to see what happens when you get it running. You might find out that there is plenty of power in the stock engine to get you into trouble! Shocked

Very true Dave. Heh. I plan to try and get it solid as is first. Thinking that to do that I need to rebuild original carb and try it and fix the oil leaks on the side covers.

BTW if I do a compression test what should be "normal range"?

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