Thread: Porting Heads. Suggestions Welcome

will have a few more pics here in an hour or so.

Heres some pics of the combustion chambers done. Just gotta get some longer bits so i can get farther into the intake areas. just about done with the exhaust side of the head. Give me some feedback.

hope you didnt knick any of the valve seats.

if you knick it to much the valve wont seal to the head when closed and cause you issuies.

If you dont have the valves reseated after you port your heads you are stupid.

Originally Posted by 01GTP

If you dont have the valves reseated after you port your heads you are stupid.

this.

im not that stupid to just slap the valves back in and be done. I plan on going with larger valves and getting a valve job and then probably sell em and get L26 heads

ya well sorry i dont have that great of a camera. These arent going to be perfect for my first time, that i know. Im just looking to see how good i can do. if they get screwed up. start on another set.

id like to get them on a flowbench but we dont have one here. i went in there 6 months ago to see if they could port some heads for me and they cut me off and said no because they didnt have a flow bench.

Originally Posted by 01GTP

If you dont have the valves reseated after you port your heads you are stupid.

yea, i guess. there is no gains in hitting that area tho. if your not going bigger valves your just spending more money at the machine shop then neccecry. just clean off the carbon with solution.


no need to call people stupid.... there is more than one way to port some heads, not everybody hits the seats. if its not broke, dont fix it.....

Originally Posted by blowfishRus6

yea, i guess. there is no gains in hitting that area tho. if your not going bigger valves your just spending more money at the machine shop then neccecry. just clean off the carbon with solution.


no need to call people stupid.... there is more than one way to port some heads, not everybody hits the seats. if its not broke, dont fix it.....

Did you check to see if the valves are seated correctly? Do you have to tools necessary to even check that? I have reseated my own valves before it sucks takes too much time. I would just pay a machine shop to grind the valves and seat them. To you get gains from it no. Does is keep the edge of your valve from hanging over the seat getting too hot a breaking apart yes. I guess its up to you but $100 valve job is cheaper than a $300-500 short block.

you dont have to have the necessary tools when you know people

you have a point tho, have i seen alot of broken valves, no, but for peice of mind, why not.

im just not a beliver of getting to crazy in that area (the bowls mainly) they kinda determine the flow dynamics of the head and i wouldent want to jeperdise those dynamics.

logan was kind of on the right path. alot of people when they talk about head work talk about smoothing and blending of the bowls, not so much porting/hoging things out.

just like the case of a hoged out supercharger, take to much away from the dynamics of the flow and you lessen the output. it was made that way for a reason.

but everybody has there diffrent ideas on it, cant really say **** with out a flow bench....

Originally Posted by minichopper6hp

Get a book on making power. The only reason why they ported heads on the 3800 camaro on the club gp thread is because it was naturally aspirated. The forced induction motor does not suffer from VE losses in the same way.

Somewhere along the way you read VERY wrong. So your telling me putting ported/polished heads on a FI car isn't going to make a difference?

Get real.

ive seen plenty of turbo lsx guys polish/port there heads and get gains.

its flowing more air in/out of the cylenders. if its not a hack job there is gains to be had n/a or forced induction

So...30 WHEEL horsepower isn't worth it?

Somehow...I don't see where your going.

Go look at all the dyno charts...

Intense is anywhere from 25-60.

ZZPerformance is sitting at 20+ for N/A cars and 30+ for blown cars.

Ok well here is some more pics. This head is just about done. But not quite. Got finish the rest of the intake yet. But heres the pics. let me know what u think.