headwork aka port & polishing info - BMW S1000RR Forums: BMW Sportbike Forum
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post #1 of 220 (permalink) Old 10-26-2012, 10:53 PM Thread Starter
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headwork aka port & polishing info

for the next project on my bike i have enlisted friend and head porting wizard Bill Deshong that owns Port-tech. our plan is to improve the exhaust side of the port and clean up the intake. after receiving the head Bill was very impressed with the way the factory designed the head. he took some flow data to see how it flowed stock and afterwords. i will try to tear the bike down in the next few weeks to install and tune as i purchased a used head to perform this on. as most know my current bike has bolt on parts and has made 200hp sae and 205hp std with vp mr12. with this current stock setup it has won the Brute Horsepower shootout 2 years in a row. i already know for a fact by decking the head and adjusting cam timing these bike pick up 10hp. we feel that by porting and decking the head we should be in the 215-220hp range once completed with mr12. this will be done with stock cams as i feel most wont spend the additional $2200 for the 5-7hp it will create.

once this project is completed i plan to have Bill port my factory head the same way to sell. i can work this on a exchange basis or it can be purchased outright. please pm me if you are interested in having this done or have interest in my other ported head. i will update this thread with dyno charts and pictures once completed.

port-tech has been building some of the fastest dragbike and lsr engines around. Mark Dotson that just won the shootout at the willmington mile had one of Bills motors installed.

please leave your feedback and i will answer the questions you might have..
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post #2 of 220 (permalink) Old 10-27-2012, 01:00 AM
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I would be interested in exchange my head , lets see the dyno # first a before and after on same dyno would be good
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post #3 of 220 (permalink) Old 10-27-2012, 07:35 AM
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I'm interested. I plan on participating in the Ohio Mile next year. Going for 200mph.
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post #4 of 220 (permalink) Old 10-27-2012, 08:23 AM
Normally an OE head has area's that can be improved. If the S1's head can be improved to flow better, this will be one of the biggest performance gains you can do. I'm interested in seeing the gains and possibly having mine worked.

Keep this thread posted.
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post #5 of 220 (permalink) Old 10-27-2012, 08:27 AM
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I'm interested!
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post #6 of 220 (permalink) Old 10-27-2012, 08:46 AM
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Ya i had talked with bill at port tech before to see if had done any s1000rr heads..at the time he had not seen one.. Very nice guy to talk with..btw would you know what stock cam timing numbers are? Would you be willing to give out some suggested timing numbers? I know most people like to keep them secret but i would at least like to know what the stock timing numbers are
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post #7 of 220 (permalink) Old 10-29-2012, 07:58 AM Thread Starter
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thought i would share a little update with a few photos as the work is performed...


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post #8 of 220 (permalink) Old 10-29-2012, 11:33 AM
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Quote:
Originally Posted by bsinclair View Post
Mark Dotson that just won the shootout at the willmington mile had one of Bills motors installed.
Who is this Mark Dotson you speak of?
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post #9 of 220 (permalink) Old 10-29-2012, 11:34 AM
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Are you planning on using the stock cams? and what's going to be the cam timing?
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post #10 of 220 (permalink) Old 10-29-2012, 12:38 PM Thread Starter
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Quote:
Originally Posted by RansomT View Post
Who is this Mark Dotson you speak of?
some old guy advertising free mustache rides! lol...

i plan to use stock cams as i cant justify spending $22-2500 more..
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