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porting head. (Read 202 times)

fsmidt YaBB Newbies Offline nulli cedo Posts: 45 wierum,the netherlands Gender:	porting head. 01/10/08 at 16:30:51 let me start this topic. how do we port our beloved suzi`s head to burn more fuel and create more Horse power. stock head. a little bigger exhaust port
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T Mack 1 - FSO Serious Thumper Alliance Member Offline sold 2001 LS650 for a 1986 XLH1100 Posts: 2919 Emmaus,Pa Gender:	Re: porting head. Reply #1 - 01/10/08 at 18:43:25 Experience and http://www.dremel.com/ . Go too far and it might as well be a boat anchor. Sometimes it pays to have a pro do stuff.
Back to top	Engineers design things, Technicians make them work. --- 30% of being mechanical is confidence/30% is knowing to go slow when needed/30% is looking repeatedly at what you have/10% is dumb luck IP Logged

Savage_Greg Serious Thumper Alliance Member Offline Don't go around your ass to reach your elbow... Posts: 7844 SW Washington State Gender:	Re: porting head. Reply #2 - 01/10/08 at 20:12:41 Depends on how you look at it. Some people think the head is a boat anchor before they start grinding He's doing it "blindly" kinda like I did. I read some stuff, but there's nothing to read about a Savage. So I started grinding...in some ways, more aggressively than he did, but I stopped at the outlet when I got to 36 mm.
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LANCER

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Savage Beast
Performance Parts

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Oklahoma
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Re: porting head.
Reply #3 - 01/11/08 at 00:52:22

I believe mine is in the 37mm range.
I like boats, and anchors, but wouldn't want to have to drag one around. Cheesy

Entrance into intake side is roughed slightly to improve the break-up of fuel droplets that may try to adhere to side of wall, thereby improving vaporization of fuel/air mixture

In this one you can see the early stages of the preparation of the transition from rough to smooth in the intake tract. More work was done after this to improve the gradual change from rough to smooth but I could not find the pic right now. Ideally, just before reaching the valve itself the intake tract should be POLISHED GLASS SMOOTH, I am not quite at that level and lack a few tools needed for that perfect finish....but working toward it.

Smoothing and opening of right side of exhaust port

Smoothing and opening of the left side of the exhaust port

I am following the techniques of a dude from California who builds HD engines for WORLD RECORD RUNS ON THE SALT FLATS, so this is a VERY LOFTY GOAL I am working toward.

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Savage_Greg

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Don't go around your
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elbow...

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SW Washington State
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Re: porting head.
Reply #4 - 01/11/08 at 05:17:23

This is my exhaust port. I didn't open the outlet as much as these others, but spent most of my time on polishing and removing material inside the exhaust port. The end result was an increase of 2 mm at the outlet.

The intake was done pretty much like Lancer's. I didn't think too much was necessary since the intake is much bigger than the exhaust anyway.

In the end, with a Raask exhaust, my outlet was closer to the diameter of the header pipe.

« Last Edit: 01/12/08 at 08:09:50 by Savage_Greg »

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azjay Serious Thumper Offline aridzona... its a dry heat Posts: 816 Gender:	Re: porting head. Reply #5 - 01/11/08 at 05:29:19 good pics, thanks to all of you!
Back to top	dyna muff,1/2 spacer,152.5,55,drilled air box,idle mix,spark plug door,harley bars & seat,spitfire windshield,turn signal,dunlops,man.pethingy,ISO pegs,engine cage,hiway pegs,support 81 IP Logged

Savage_Greg Serious Thumper Alliance Member Offline Don't go around your ass to reach your elbow... Posts: 7844 SW Washington State Gender:	Re: porting head. Reply #6 - 01/11/08 at 11:11:14 Glad that you liked my pics too...NOT. Don't know what's up with Photobucket displaying my photos
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azjay Serious Thumper Offline aridzona... its a dry heat Posts: 816 Gender:	Re: porting head. Reply #7 - 01/12/08 at 05:46:20 Savage_Greg wrote on 01/11/08 at 11:11:14: Glad that you liked my pics too...NOT. Don't know what's up with Photobucket displaying my photos they worked for me
Back to top	dyna muff,1/2 spacer,152.5,55,drilled air box,idle mix,spark plug door,harley bars & seat,spitfire windshield,turn signal,dunlops,man.pethingy,ISO pegs,engine cage,hiway pegs,support 81 IP Logged

Savage_Greg Serious Thumper Alliance Member Offline Don't go around your ass to reach your elbow... Posts: 7844 SW Washington State Gender:	Re: porting head. Reply #8 - 01/12/08 at 08:11:31 azjay wrote on 01/12/08 at 05:46:20: Savage_Greg wrote on 01/11/08 at 11:11:14: Glad that you liked my pics too...NOT. Don't know what's up with Photobucket displaying my photos they worked for me I see that now...Photobucket must have been down for a few hours yesterday...
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