SuzukiSavage.com - boosting the thumper

justin_o_guy2 Serious Thumper Offline What happened? Posts: 55279 East Texas, 1/2 dallas/la.	Re: boosting the thumper Reply #135 - 04/09/15 at 05:31:09 Have you considered maybe making the timing variable.?
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savagebob Full Member Offline SuzukiSavage.com Rocks! Posts: 235	Re: boosting the thumper Reply #136 - 04/09/15 at 14:48:13 Dave: yeah I have thought about water injection but.. not seriously. Too complicated really. Also, eveytime I've seen someone do a garage water injection system it's been a disaster! Ha ha. Justin: Any ideas how I would do that?
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justin_o_guy2 Serious Thumper Offline What happened? Posts: 55279 East Texas, 1/2 dallas/la.	Re: boosting the thumper Reply #137 - 04/09/15 at 23:29:21 I'm not sure that it's ever been done.
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Re: boosting the thumper
Reply #138 - 04/10/15 at 03:18:59

justin_o_guy2 wrote on 04/09/15 at 05:31:09:

Have you considered maybe making the timing variable.?

I have never seen it made variable - but I have seen it made adjustable.

One fellow backed his timing off a bit by making the mounting holes for the stator slotted....so he could rotate the plate a small bit. I am wondering if this is a worthwhile modification for those of us who have a higher compression Wiseco. (I am going to try this once I have the GPS speedometer mounted so I can compared 0-60 and 1/4 miles times before and after).

Backing the timing off a degree or two (or three) could help when under full boost...while not having a negative effect while cruising.

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dustin1455

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Re: boosting the thumper
Reply #139 - 04/29/15 at 19:30:26

hey savagebob, after installing the supercharger how did you did you adjust the engine for the extra boost? did you change the valve springs? what are the specs of the cam you use?

also, do you have pics of the drive pulley setup? i am interested in possibly putting a supercharger on my savage in the future and i am curious how you did it.

did you ever solve the "oil leak" problem? have you considered using an output shaft seal?

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Re: boosting the thumper
Reply #140 - 11/10/15 at 19:33:55

The engine is stock.. no mods needed. (yet Wink

) I removed all the stuff I could to try and max airflow for cooling. It works fine boosting around town. On a open-road trip it detonated a bit as I think it just got too hot. I started putting tolley into my fuel to see if that helps. Maybe it's a town warrior. It's actually been parked up for most of the year while I moved house etc. I got a new intake manifold made for it but haven't had time to run it yet.

The oil leak.. nah.. fixed it by carrying around a wee block of wood and when I park up the bike I put the stand on it so the bike sits more upright. That way the oil doesn't seep out. I used a sealed bearing but they are really sealed against dust.. grease.. not hot oil.

I'll look into an output shaft seal - might work but there isn't much room there for one.

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Gus Senior Member Offline Thumpers Rock! Posts: 491 Minnesota Gender:	Re: boosting the thumper Reply #141 - 11/10/15 at 19:57:54 This truly remarkable, very interesting and down right imaginative. Thanks for giving us a window into your progress. Just Awesome!
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vanna_brown YaBB Newbies Offline SuzukiSavage.com Rocks! Posts: 14	Re: boosting the thumper Reply #142 - 01/23/17 at 17:46:59 Hey SB, so, I can find the super chargers on eBay but I don't know where I would start to look for fabricating the shaft and bearing combo can you give me some more info on how you made those.
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Re: boosting the thumper
Reply #143 - 01/23/17 at 17:53:25

Savagebob has not signed onto this site since November 2015.

Building your own supercharger setup is not easy, and not something that most beginning mechanics should undertake....in addition to the problems of getting the mechanical parts to work....the carb and timing are all problematic.

It is much easier (and proven reliable) to increase the compression with a Wiseco piston, increase the breathing ability with a cam and some head work, and a better exhaust system. With some simple engine mods you can get the Savage engine to make enough HP to challenge the chassis and brakes, and become a pretty decent bike for 70+ mph highway travel.

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springman Serious Thumper Offline SuzukiSavage.com Rocks! Posts: 2217 Spring, Texas Gender:	Re: boosting the thumper Reply #144 - 01/24/17 at 11:34:17 Dave, forgive my ignorance but you just mentioned something I have heard before but never understood. "make enough HP to challenge the chassis and brakes". I understand challenging the brakes, but not the chassis. What are the issues with putting too much hp and speed on the bike? Thanks.
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Re: boosting the thumper
Reply #145 - 01/24/17 at 12:02:12

When pushed hard, the Savage can get a bit wiggly in the sweepers. I don't claim to know what is flexing or moving around, and I am far more comfortable on really tight turns than I am on high speed sweepers - but the Savage does not have a frame like the Norton Featherbed that inspires confidence while riding at speed.....it does have limitations. Most of the time the scraping footpegs serve as the limiting factor in how hard you can push the Savage in the corners....and the lack of HP limits the speed on the straight sections.

The hardest I have ever pushed my bike was when we were riding on the Dragon with your brother in law Steve. It was the first year with my big front brake from Shawn, and when I was really braking hard, I could feel the bike wiggling/trembling as the weight shifted to the front wheel. That may be one of the reasons that performance bikes have dual discs up front....to keep the forks from twisting under hard braking!

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springman Serious Thumper Offline SuzukiSavage.com Rocks! Posts: 2217 Spring, Texas Gender:	Re: boosting the thumper Reply #146 - 01/24/17 at 15:08:12 OK, I think I understand. I guess it is basically the rigidity of the frame. I have not pushed the bike that hard but I see what you mean. Thanks.
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Re: boosting the thumper
Reply #147 - 01/24/17 at 18:19:06

Dave wrote on 01/24/17 at 12:02:12:

That may be one of the reasons that performance bikes have dual discs up front....to keep the forks from twisting under hard braking!

Nah, they are for slowing you down quickly. Cheaper versions of the same bike will sometimes feature only 1 front brake. They still stop straight. The massive front forks, beefy headstem and beam or triangulated frames stop the squirming. None of which the mighty Cabbage is blessed with.

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savagebob

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Re: boosting the thumper
Reply #148 - 04/20/17 at 15:27:49

Dave wrote on 01/23/17 at 17:53:25:

Savagebob has not signed onto this site since November 2015.

Building your own supercharger setup is not easy, and not something that most beginning mechanics should undertake....in addition to the problems of getting the mechanical parts to work....the carb and timing are all problematic.

It is much easier (and proven reliable) to increase the compression with a Wiseco piston, increase the breathing ability with a cam and some head work, and a better exhaust system. With some simple engine mods you can get the Savage engine to make enough HP to challenge the chassis and brakes, and become a pretty decent bike for 70+ mph highway travel.

Has it been that long?! Wow.. um sorry! Jeez 32 messages.. sorry people.

BTW I'm not a mechanic or an engineer. I'm a graphic designer. And I managed to build a supercharged savage.

I can probably supply basic kits if anyone is interested. It would consist of the shaft and a bearing. You'd need to machine out your cover plate for the bearing.. find the supercharger.. and everything else. It is a lot of work.

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LANCER Serious Thumper Alliance Member Offline Savage Beast Performance Parts Posts: 10668 Oklahoma Gender:	Re: boosting the thumper Reply #149 - 04/20/17 at 17:11:38 Where have you been dude ?
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