SuzukiSavage.com - exhaust port

BurnPgh

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SuzukiSavage.com
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exhaust port
06/02/10 at 22:27:16

Has anyone opened the exhaust port and kept the stock header? Any considerable difference? I know I should get a better header but im broke at this point. No more fun money to play around with, I dont know anyone that welds and is reliable, and Im tired of in depth tinkering. I can spend a little time clearing that lip out of the way but would it be worth it? If not I'll just wait until i do get the header situation figured out.

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LANCER Serious Thumper Alliance Member Offline Savage Beast Performance Parts Posts: 10670 Oklahoma Gender:	Re: exhaust port Reply #1 - 06/03/10 at 03:20:44 I think opening the outside of the exhuast port is worth the little time it takes to do it, even if you are still using the stock header.
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earlytimz

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Savage model 417

(4 speed, 17mm)

Posts: 382
BG, KY
Gender: male

Re: exhaust port
Reply #2 - 06/03/10 at 06:03:10

I can't give an accurate before & after, but I agree with Lancer. It's an easy job & I don't see any way it'll hurt your performance.
I opened the port up to match the size of the header ID & I also took off that crazy "ledge" inside.

FWIW... I didn't ride the bike much before I tore it down so like I said, it's hard for me to give a good comparison. I can tell you though, it will absolutely scream when you open her up now so I don't think it hurt anything! I've been porting heads on various machines for years & this is one of the easiest to do. There's lots of material in there, so you don't have to worry about taking out too much...

Some of the best performing port jobs I've seen were also the ugliest!!

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justin_o_guy2 Serious Thumper Offline What happened? Posts: 55279 East Texas, 1/2 dallas/la.	Re: exhaust port Reply #3 - 06/03/10 at 07:31:04 Some of the best performing port jobs I've seen were also the ugliest!! Ive seen that hold true in other areas of life.
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earlytimz Senior Member Offline Savage model 417 (4 speed, 17mm) Posts: 382 BG, KY Gender:	Re: exhaust port Reply #4 - 06/03/10 at 07:46:53 LOL!! You ain't a joking bro!!!
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earlytimz Senior Member Offline Savage model 417 (4 speed, 17mm) Posts: 382 BG, KY Gender:	Re: exhaust port Reply #5 - 06/03/10 at 10:24:11 Don't forget to get rid of that stud on the intake side. Otherwise it's in pretty good shape. I cleaned up the casting seams a little too, but you don't want this side too smooth. That affects atomization & fuel drop out...
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klx650sm2002 Serious Thumper Offline The more I learn the less I know. Posts: 2041 Cumbria,England Gender:	Re: exhaust port Reply #6 - 06/03/10 at 11:17:38 To me the exhaust port is the worst thing about the savage, anything you can do with it would be good. Clive W
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JohnBoy Serious Thumper Offline SuzukiSavage.com Rocks! Posts: 825 Gender:	Re: exhaust port Reply #7 - 06/03/10 at 11:37:33 If you choose to do it, would you take pictures for us of before and after? Please...please...please!
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BurnPgh Serious Thumper Offline SuzukiSavage.com Rocks! Posts: 1732	Re: exhaust port Reply #8 - 06/03/10 at 11:39:27 If you want before and after pics search "lancer upgrade" with the search function for "all posts". If you want to see a serious port job before/after search "clutch slippage on tuned savage"
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Chief Gunner

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0 - 60 "When I
darn Well Feel Like
It"

Posts: 91
Chesapeake, VA
Gender: male

Re: exhaust port
Reply #9 - 06/03/10 at 12:40:58

BurnPgh I checked the two posts you recommended.
Other than the pics on lancer's showing the lip at exit being opened up, is there any additional 'meat' that could be taken out that would improve the flow? I'm running stock pipe with and HD muffler. I'll be doing some extensive engine clean up and if a mod like this will improve the performance I have the tools and the time.
Would like to see some before and after pics so I don't go too far and punch through anywhere. I tend to get carried away with power tools! Grin

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'87 Savage, Got more invested in beer and paint then I paid for the bike. Figure that surely makes it mine!

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BurnPgh Serious Thumper Offline SuzukiSavage.com Rocks! Posts: 1732	Re: exhaust port Reply #10 - 06/04/10 at 00:33:29 whoops. the second thread i recommended wasnt the one i thought. Its one of Kwaknut's more recent posts but IDK exaclty where its at. I'll see if i can find it.
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Chief Gunner Junior Member Offline 0 - 60 "When I darn Well Feel Like It" Posts: 91 Chesapeake, VA Gender:	Re: exhaust port Reply #11 - 06/04/10 at 08:05:15 found a thread entitled exhaust port back in 07, it had a lot of pictures attached but the links have expired. Lancer / Savage Greg / klx650sm2002, this discussion was between you guys. You don't happen to have those pictures saved anywhere do you? Any lessons learned? Anything would be appreciated. As always thanks!
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LANCER Serious Thumper Alliance Member Offline Savage Beast Performance Parts Posts: 10670 Oklahoma Gender:	Re: exhaust port Reply #12 - 06/04/10 at 09:29:42 VALVE AREA ... BEFORE EXHAUST PORTS ... BEFORE EXHAUST PORTS ... AFTER VALVE AREA ... AFTER INTAKE ... AFTER
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klx650sm2002 Serious Thumper Offline The more I learn the less I know. Posts: 2041 Cumbria,England Gender:	Re: exhaust port Reply #13 - 06/04/10 at 10:07:09 Lancer, are the valve springs above that horizontal bit in the top of the port, how much is it safe to take off there ? Clive W
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ralfyguy Serious Thumper Offline Posts: 932	Re: exhaust port Reply #14 - 06/04/10 at 10:26:45 LANCER wrote on 06/04/10 at 09:29:42: http://images1d.snapfish.com/232323232%7Ffp39%3A%3Enu%3D323%3A%3E639%3E697%3E... Ok dumb question: Is this before or after?
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