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View Full Version : Ported Head Pics!!!


78ta
03-14-2009, 10:20 PM
just got done with it, this is bdtoady22 's on here
78ta
03-14-2009, 10:26 PM
one more
78ta
03-14-2009, 10:27 PM
last one for now
Quadforce
03-14-2009, 11:01 PM
looking pretty good.. you will want to take a little more out on the lower sides so that you do not have such a steep angle.. here are some pictures of mine that we did.

all 400ex pictures in here..
http://s272.photobucket.com/albums/jj178/quadforce_photo/400ex/

by the way this was a 416 that dynoed 42.6 ona dyno jet dyno at Bullet motorsports years ago
http://i272.photobucket.com/albums/jj178/quadforce_photo/400ex/MVC-015F.jpg
http://i272.photobucket.com/albums/jj178/quadforce_photo/400ex/MVC-014F.jpg
stock valves that we lightened to help prevent floating a valve
http://i272.photobucket.com/albums/jj178/quadforce_photo/400ex/MVC-003F.jpg
http://i272.photobucket.com/albums/jj178/quadforce_photo/400ex/MVC-012F.jpg
78ta
03-14-2009, 11:15 PM
Its going on a .020 over 10:1 stage 1 hotcam trail bike. I didn't want to kill too mutch low end by increasing the port size too mutch.
78ta
03-14-2009, 11:19 PM
by the way, nice job quadforce!
Quadforce
03-14-2009, 11:29 PM
Originally posted by 78ta
by the way, nice job quadforce!
thanks not trying to sound like a smart you know what but some people are just afraid of cutting into something and tearing it up.. just giving and idea how far it will go and not be hurt.
dariusld
03-15-2009, 05:34 PM
I did my own head also. I was more aggressive than the first head,but not as much as the second. I was going for that straight shot.