Exhaust manifold porting

[krygods]

Been going at it for a few hours with the die grinder. Porting it for a e316g, you guys think it looks decent enough?

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[XspychoXkidX]

That looks awesome. I'd say you did a great job there. Just wondering if you don't mind me asking but using this method verse buying a new manifold will there still be a beneficial noticable out come?

 

[Vegas Smith]

Damn, that took a few hours? Shouldn't take you too long

Psychokid-I'm not sure what you mean. Any manifold that you buy new will not come ported unless you pay for the shop to port it for you. A brand new manifold will look like the top picture which is unported. You can just port it yourself if you own a grinder. Porting is just removing the extra material from the original manifold design in order to increase airflow.

 

[ThunderChild]

Looks good, big.

Just make sure the inside is radiused good. You could also take some sanding drums and polish the divider to help prevent against cracks forming. Just don't go too thin on it.

 

[darknezz7]

Heres what I did

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[GSTampa]

Looks really good

 

[XspychoXkidX]

Sorry what I ment was performance wise as a noticable out come. I'm still learning this all I just started getting into the dsm life and doing my own work. But still I think it looks good.

 

[krygods]

Damn, that took a few hours? Shouldn't take you too long

LoL, wasn't a few hours of non-stop grinding. Probably spent about 45 minutes actual time but, I took many breaks due to distractions.

 

[ROGUE DSM]

What kind of bit were you using? I've been using a stone one and it seems like no progress is being made.

 

[XspychoXkidX]

That's awesome! I'm gonna do that tomorrow but right now I just pulled the head off the block. I'm extremely excited!

 

[krygods]

What kind of bit were you using? I've been using a stone one and it seems like no progress is being made.

I used a pneumatic die grinder with a carbide burr for the material removal and the grinding stone pictured for smoothing things up afterwards. If you use a pneumatic die grinder make sure it's a decent one with no shaft play or the bit will be bouncing around all over the work and you'll end up chipping the burr (don't even bother trying a harbor freight die grinder). Single cut burrs remove material faster as opposed to double cut burrs that remove less material but leave a smoother finish.

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[Dsmkauai]

I've done tons of port work with these bits from Amazon
https://www.amazon.com/gp/aw/d/B00061SFKK/ref=mp_s_a_1_1?ie=UTF8&qid=1470206584&sr=8-1&pi=AC_SX236_SY340_QL65&keywords=carbide burr
Here's the turbine housing on my 14b. I used those bits for cutting and a combination of barrel sanders to smooth and polish.

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[gst-turbo]

We're did u buy them at?

 

[Chumpaumpalumpa]

We're did u buy them at?

From the link he posted with his post.............

 

[gst-turbo]

Krygod did not post any link

 

[Chumpaumpalumpa]

Krygod did not post any link

Should've been more specific

 

[Dsmkauai]

I think we posted at the same time and mine snuck in front

 

[krygods]

We're did u buy them at?

I get all my burrs from McMaster Carr

http://www.mcmaster.com/#rotary-deburring-tools/=13kxymy

And my previous statement was incorrect, Single cut removes less material but leaves a smoother finish, double cut removes more material.

 

[gst-turbo]

Thanks that's what I need I been using some cheap ones and been porting for at least 3 hours and I feel I haven't done anything

 

[krygods]

Thanks that's what I need I been using some cheap ones and been porting for at least 3 hours and I feel I haven't done anything

Yea the cheap ones dull easily. A good burr should require minimal pressure to cut. If you need to remove a lot of material in a certain area try moving the burr in and out instead of side to side. Be careful, moving the burr in and out removes metal rapidly.

 

[gst-turbo]

Will try that method I have only been going side to side

 

[my1st2genGSX]

that looks awesome.

 

[boostdawd]

I second the bits from amazon. Worked beautifully for my Evo 3 porting job and they still look new!

 

[boostdawd]

This is actually what I got from amazon. Good, pretty and affordable. Or like I say bueno, bonito, y barato.

https://www.amazon.com/gp/aw/d/B017..._m=ATVPDKIKX0DER&pf_rd_r=6SVZ985WC73KP80JBRBK

 

[ROGUE DSM]

I've done tons of port work with these bits from Amazon
https://www.amazon.com/gp/aw/d/B00061SFKK/ref=mp_s_a_1_1?ie=UTF8&qid=1470206584&sr=8-1&pi=AC_SX236_SY340_QL65&keywords=carbide burr
Here's the turbine housing on my 14b. I used those bits for cutting and a combination of barrel sanders to smooth and polish.

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Thanks for the link, I just placed a order in.