headwork aka port & polishing info

bsinclair · 10-26-2012, 10:53 PM

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..

luker669 · 10-27-2012, 01:00 AM

I would be interested in exchange my head , lets see the dyno # first a before and after on same dyno would be good

M GmbH · 10-27-2012, 07:35 AM

I'm interested. I plan on participating in the Ohio Mile next year. Going for 200mph.

**chopt** · 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.

nik08 · 10-27-2012, 08:27 AM

I'm interested!

BryGuy900 · 10-27-2012, 08:46 AM

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