im thinking about porting my stock 110 head as of right now i have the stock exhaust mods (baffel and thing at the head drilled out) and a u flow and a tak cam is this worth it will the mods i have compliment the port job specifically the u flow is bigger better or is it too un restrictive some input here would help thanks guys
klx 110 stock head port
compoundridersinc
1 - 20 of 29 Posts
Joined
·
51 Posts
im thinking about porting my stock 110 head as of right now i have the stock exhaust mods (baffel and thing at the head drilled out) and a u flow and a tak cam is this worth it will the mods i have compliment the port job specifically the u flow is bigger better or is it too un restrictive some input here would help thanks guys
Joined
·
5,001 Posts
It won't hurt, but you'll need to upgrade the pipe and carb to really see a difference.
Joined
·
51 Posts
i know that but my class limits what i can run as far as mod parts
Joined
·
5,001 Posts
compoundridersinc said:
I figured...I have a ported stock head, runs great. But the motor is highly modded...
I say go for it, the tak cam is the best for the stock head and if you jet the stock carb up, run a choke plug, shim the needle it'll run great.
You have to remember that you can only take so much material out of the head to open up the ports leading to your valves thats where you will be limited to the amount of air that can pass by the stock valves so what happens on the intake side is that you get turblance and improper atomization of your fuel air mixture which becomes an overload to the head which will actually cause a loss of power a UFlow might be to much.
Joined
·
51 Posts
With what Anthony said has any one ever done anything like this and has any one ever done anything to figure or
how much air the stock valves can flow
how much air the stock valves can flow
Joined
·
207 Posts
I ported and polished my stock head and it worked great for me.
Joined
·
115 Posts
compound: I have almost the same exact motor setup except a 134 piston and cylinder and have been wanting to p&p a spare stock head I have BUT...I cannot get the stupid thing jetted correctly. Im at a 40 pilot and 85 main with a shimmed needle and it would not idle, I pulled the shim out and played with the air screw and its a lot closer now but still hangs up a little bit at idle. Out of curiousity what jetting are you running? My friend might port the extra head this weekend, if so Ill let ya know how it turns out!
Joined
·
1,109 Posts
I think AHP ports the stock head and they claim to have flow numbers , mabye he will chime in and let us know because I too have a spare stock head I would like to have him port it, but I would like to know if there is a real gain out of it, or do you need bigger valves to really see the increase of power.
Yes Pax you are right but as you know that when you start changing things for improvement you will lose elsewhere. What the issue is that stock valves are only so big and are going to only flow so much air around them. Yes all those things mentioned will make power (more) but are they all designed to work with each other.
Joined
·
1,109 Posts
more power is made by increasing the flow of air and exhaust gases , witch allows you to add more fuel for more boom ( and then there are always more displacement) , it is pretty simple , so head porting a pipe , airfilter carb mods or bigger carb, and a cam to hold the valves open longer for more ? AIR ! witch make more? POWER , I would just like to know if you prt the stock head are you doing it any good or are the valves to small to make the diff
Joined
·
1,109 Posts
Paxracing said:
Is that a dyno # ? and 5% is nothing if it is on the dyno , I work on a dyno almost everyday ( Superflow double roller chassie dyno) If i dyno a car at noon when it is 90 outside then I dyno the car frist thing in the morning they always make more power (5%) because the air is cooler .
1 - 20 of 29 Posts
-
?
-
?
-
?
-
?
-
?
-
?
-
?
-
?
-
?
-
?
-
?
-
?
-
?
-
?
-
?
-
?
-
?
-
?
-
?
-
?
