Port No Polish
08-30-2008, 04:40 AM
#1
Launching!
Thread Starter
iTrader: (1)
Join Date: May 2006
Location: Ohio
Posts: 253
Likes: 0
Received 0 Likes
on
0 Posts
Port No Polish Well tommorow I'm going to be really bored sitting at home with my kids while my g/f at work. So I'm gonna do some lil stuff to my car.
Would it be wise to just port the tb and not polish it? I got a dremel and all that just don't have the right tool for polishing metal. I got it used only thing I got with it is sanding pads. I know polishing makes it smooth so the air flows smoother but even if it was ported it would still be a lil smoother and more room for airflow. But anyways let me know if this is a bad idea or not. It's almost 6 A.M. time for bed.
)
Would it be wise to just port the tb and not polish it? I got a dremel and all that just don't have the right tool for polishing metal. I got it used only thing I got with it is sanding pads. I know polishing makes it smooth so the air flows smoother but even if it was ported it would still be a lil smoother and more room for airflow. But anyways let me know if this is a bad idea or not. It's almost 6 A.M. time for bed.
) 
08-30-2008, 10:36 AM
#2
TECH Veteran
iTrader: (18)
Join Date: Sep 2005
Location: SW Houston
Posts: 4,192
Likes: 0
Received 0 Likes
on
0 Posts
doesnt take long to polish.
Once you port it just slap on a polishing stone on the dremel, and work it for a lil while. Then put 2-3 layers of polishing compound, rub that off, then windex it.
Once you port it just slap on a polishing stone on the dremel, and work it for a lil while. Then put 2-3 layers of polishing compound, rub that off, then windex it.
08-30-2008, 10:52 AM
#3
If you have never done this before... TAKE YOUR TIME...
You will need more than sanding disks to do this job. Any hardwate store will carry what you need.
If you mess this up and cut the TB wrong, Your car will not idle correctly. Don't port the TB blade or around the TB blade where it will seal up.
This is a fun project, but you wont notice any power Gains at all, Period...
If you really just have the itch to play with a dremel, polish the Y Intake manifold. Im assuming your ride is a 3.4??
You will need more than sanding disks to do this job. Any hardwate store will carry what you need.
If you mess this up and cut the TB wrong, Your car will not idle correctly. Don't port the TB blade or around the TB blade where it will seal up.
This is a fun project, but you wont notice any power Gains at all, Period...
If you really just have the itch to play with a dremel, polish the Y Intake manifold. Im assuming your ride is a 3.4??
08-30-2008, 11:07 AM
#4
Launching!
Thread Starter
iTrader: (1)
Join Date: May 2006
Location: Ohio
Posts: 253
Likes: 0
Received 0 Likes
on
0 Posts
Yeah it's a 3.4 I tried to get the y intake off before but I couldn't get the last bolt it wouldn't budge. Maybe I should spray some wd40 on it to loosen it a lil bit for a couple days. I live on the same block as a big ace hardware so i'll go there in a couple hours when my girls get up from their naps and check their selection out.
BTW My main question really was is polishing required or is it just for looks? Was kinda confusing I guess.
BTW My main question really was is polishing required or is it just for looks? Was kinda confusing I guess.
08-30-2008, 11:29 AM
#5
11 Second Club
iTrader: (33)
Join Date: Nov 2006
Location: Colorado Springs
Posts: 926
Likes: 0
Received 0 Likes
on
0 Posts
PB Blaster works wonders. Try that.
Ive ported quite a few TB's myself (my own and a few other guys off this forum), its not too hard work. I used Dremel sanding wheel, it kinda looks like a fan, if you can find one with a high enough grit it will have a somewhat nice polish to it.
Takes about an hour to do it. Get the 80 grit wheel and move to a lower grit when you get the chunk of material out of there.
Ive ported quite a few TB's myself (my own and a few other guys off this forum), its not too hard work. I used Dremel sanding wheel, it kinda looks like a fan, if you can find one with a high enough grit it will have a somewhat nice polish to it.
Takes about an hour to do it. Get the 80 grit wheel and move to a lower grit when you get the chunk of material out of there.
08-30-2008, 03:05 PM
#7
TECH Veteran
iTrader: (18)
Join Date: Sep 2005
Location: SW Houston
Posts: 4,192
Likes: 0
Received 0 Likes
on
0 Posts
Your probably referring to intake runners on cylinder heads, which a smooth mirror finish is NOT ideal because not polished/semiscuffed surface helps fuel/air tumble, and atomize better for a more complete burn.
Trending Topics
08-30-2008, 03:43 PM
#8
Well tommorow I'm going to be really bored sitting at home with my kids while my g/f at work. So I'm gonna do some lil stuff to my car.
Would it be wise to just port the tb and not polish it? I got a dremel and all that just don't have the right tool for polishing metal. I got it used only thing I got with it is sanding pads. I know polishing makes it smooth so the air flows smoother but even if it was ported it would still be a lil smoother and more room for airflow. But anyways let me know if this is a bad idea or not. It's almost 6 A.M. time for bed.)
Would it be wise to just port the tb and not polish it? I got a dremel and all that just don't have the right tool for polishing metal. I got it used only thing I got with it is sanding pads. I know polishing makes it smooth so the air flows smoother but even if it was ported it would still be a lil smoother and more room for airflow. But anyways let me know if this is a bad idea or not. It's almost 6 A.M. time for bed.
)
08-30-2008, 09:45 PM
#10
Never polished intake side of anything myself.
But, I have polished exhaust side. Keeps carbon buildup down.
Also, polishing combustion chambers helps keep detonation down by keeping hotspots from forming.
But, no, polishing intake side usually hurts more than helps.
But, I have polished exhaust side. Keeps carbon buildup down.
Also, polishing combustion chambers helps keep detonation down by keeping hotspots from forming.
But, no, polishing intake side usually hurts more than helps.
08-31-2008, 10:04 AM
#11
Launching!
Thread Starter
iTrader: (1)
Join Date: May 2006
Location: Ohio
Posts: 253
Likes: 0
Received 0 Likes
on
0 Posts
Yes I get really bored. We just moved into this house like 2 weeks ago and there ain't nothing to do here. Barely got any stuff here cause I use my dad's truck and trailer to move my stuff. But his injector pump went out. We loaded it up the other day on a trailer and took it to a shop. We pulled it with another truck but I couldn't use that cause one of the brake lines was leaking so we just fixed it right before we took his truck to the shop. Just really really boring. I watched Finding Nemo 3 times yesterday. But anyways thanks for all the posts.
08-31-2008, 11:14 AM
#12
Teching In
Join Date: May 2008
Posts: 11
Likes: 0
Received 0 Likes
on
0 Posts
Polishing is only going to help up around 7,000 rpm and up. Take a lesson from edlebrock, they don't polish thier dual plane intakes on purpose. They actually add block contours to the intake.
08-31-2008, 03:35 PM
#13
TECH Resident
iTrader: (15)
Join Date: Mar 2006
Location: fl.
Posts: 962
Likes: 0
Received 0 Likes
on
0 Posts
read this. LS1Tech Sponsor
Trader Rating: 6
Join Date: Oct 2004
Posts: 848 Back in the day, we spent hours after porting heads & intakes polishing the work to a mirror finish....then modern wet&dry flow tests with super high speed video shows that with a super polished surface the air flowing along the surface actually causes a disturbance (turbulance) so the efficiency of the flow is negativley affected even though the volume may still be good. Leaving a rough, or CNC mill mark finish actually breaks up the air molecues running along the surface so they act like microscopic "ball bearings" and the efficiency is maximized. Next time you can look at a high-end set of ported heads or intake you will see the roughness on the finish is left intact for this very reason. Visit: www.Rehermorrison.com & read the "tech talk" section.....there is a ton of awesome info there free for the reading. Our techs are sent to the Reher Morrison racing engine school (I'm a graduate as well) after being with us for at least one year & proving themselves. The R&D that goes on there is simply amazing for not only almost all catagories of racing, but extensive head work for GM & other manufacturers. The mirror finish on a ported throttle body should not have as much effect on a basically stock motor, but when every ounce of HP is the goal, follow what the experts have known for years.
__________________
www.RevXtreme.com
Trader Rating: 6
Join Date: Oct 2004
Posts: 848 Back in the day, we spent hours after porting heads & intakes polishing the work to a mirror finish....then modern wet&dry flow tests with super high speed video shows that with a super polished surface the air flowing along the surface actually causes a disturbance (turbulance) so the efficiency of the flow is negativley affected even though the volume may still be good. Leaving a rough, or CNC mill mark finish actually breaks up the air molecues running along the surface so they act like microscopic "ball bearings" and the efficiency is maximized. Next time you can look at a high-end set of ported heads or intake you will see the roughness on the finish is left intact for this very reason. Visit: www.Rehermorrison.com & read the "tech talk" section.....there is a ton of awesome info there free for the reading. Our techs are sent to the Reher Morrison racing engine school (I'm a graduate as well) after being with us for at least one year & proving themselves. The R&D that goes on there is simply amazing for not only almost all catagories of racing, but extensive head work for GM & other manufacturers. The mirror finish on a ported throttle body should not have as much effect on a basically stock motor, but when every ounce of HP is the goal, follow what the experts have known for years.
__________________
www.RevXtreme.com
09-01-2008, 09:12 AM
#14
Teching In
Join Date: May 2008
Posts: 11
Likes: 0
Received 0 Likes
on
0 Posts
LS1Tech Sponsor
Trader Rating: 6
Join Date: Oct 2004
Posts: 848 Back in the day, we spent hours after porting heads & intakes polishing the work to a mirror finish....then modern wet&dry flow tests with super high speed video shows that with a super polished surface the air flowing along the surface actually causes a disturbance (turbulance) so the efficiency of the flow is negativley affected even though the volume may still be good. Leaving a rough, or CNC mill mark finish actually breaks up the air molecues running along the surface so they act like microscopic "ball bearings" and the efficiency is maximized. Next time you can look at a high-end set of ported heads or intake you will see the roughness on the finish is left intact for this very reason. Visit: www.Rehermorrison.com & read the "tech talk" section.....there is a ton of awesome info there free for the reading. Our techs are sent to the Reher Morrison racing engine school (I'm a graduate as well) after being with us for at least one year & proving themselves. The R&D that goes on there is simply amazing for not only almost all catagories of racing, but extensive head work for GM & other manufacturers. The mirror finish on a ported throttle body should not have as much effect on a basically stock motor, but when every ounce of HP is the goal, follow what the experts have known for years.
__________________
www.RevXtreme.com
Trader Rating: 6
Join Date: Oct 2004
Posts: 848 Back in the day, we spent hours after porting heads & intakes polishing the work to a mirror finish....then modern wet&dry flow tests with super high speed video shows that with a super polished surface the air flowing along the surface actually causes a disturbance (turbulance) so the efficiency of the flow is negativley affected even though the volume may still be good. Leaving a rough, or CNC mill mark finish actually breaks up the air molecues running along the surface so they act like microscopic "ball bearings" and the efficiency is maximized. Next time you can look at a high-end set of ported heads or intake you will see the roughness on the finish is left intact for this very reason. Visit: www.Rehermorrison.com & read the "tech talk" section.....there is a ton of awesome info there free for the reading. Our techs are sent to the Reher Morrison racing engine school (I'm a graduate as well) after being with us for at least one year & proving themselves. The R&D that goes on there is simply amazing for not only almost all catagories of racing, but extensive head work for GM & other manufacturers. The mirror finish on a ported throttle body should not have as much effect on a basically stock motor, but when every ounce of HP is the goal, follow what the experts have known for years.
__________________
www.RevXtreme.com
Great post!
