what do you port when you port the wastegate?

can anyone show me on the pic with a little photoshop job?

thanks a lot

puma

 

oh and also, how the hell can you save a pic when it was downloaded directly on the forum? It says that i am downloading an attachment, but i want a .jpg.

thanks

puma

 

By porting the wastegate it simply means enlarging the diameter of the hole. Make sure you measure the diameter of the gate and bore the hole to a size slightly smaller than the gate.
On a seperate note, there seems to be a crack on the housing, or maybe it's just the picture?? If there is a crack, you may risk further damage during the porting process.

 

ok so that would means enlarging the small hole on the pic, is it? The one where the door closes?

What do you to port it, i mean what tool do you use?

Actually, this is not mine, it is a pic i found in my archive that i got on the web.

that's what i though, thanks a lot.

puma

 

You will want to remove the metal on the inside of the circle. Measure how wide the wastegate door is and either get a machine shop to mill the hole bigger, or carefully do it yourself with a die grinder. My circle is a rough estimate just to give you an idea. You really need to measure.

 

Sorry the pic is so nasty looking. I haven't mastered the posting techniques yet.

 

thanks

how did you do to download my pic, and save it on your har ddrive? All i can do is save the attachment and then, i can't open it.

thanks again

puma

 

I just right clicked on the picture and went to "save as"

 

I'd say that if you're going to get your wastegate ported, it's probably best to 1) understand what the ramifications are, 2) determine if you really need it, and 3) take it to a professional machine shop and have them do the grinding for you. Chances are that if you try to do this yourself without the appropriate tools and environment you'll just ruin the piece (i.e. if you just take a dremel to it or something).

What's a typical new ID for the ported wastegate? Like, do you take of 1/1000th of an ince? 1/100th? What really will make a difference in terms of boost creep, etc.?

 

MARIAH recomended (and I let them do it) releaving the cover over the wastegate so the gate can open WIDER - the cover is very thick and limits how far the gate can open, just remove 1/2 the thickness of the cover in the area the gate makes contact when opened.

 

oh well i don't plan on doing this myself, i don't even plan on doing it. It's just that the question was in my mind for awhile and i wanted to know, that's all.

i still have the main cat so i don't have boost creep but i might have some when i put the midpipe.

it doesn't work to save the pic, i can't save the pic but i can save the link. what the %%?/

puma

 

1)???/// ramifications? less chance of boost creep...better boost controll
2) as long as you have stock cat you wont need it..but ive heard of cars creeping with high flow cats so if you got your turbos out might as well do it
roughly the wg new hole shold be abt 1.25 in

appropiate tools are a die grinder and carbide de-burring bits.(most wg's have small crack arround the circumfrance so drilling to 1.25 with a bit is dangerous..it can snag and crack the entire casting

but with a die grinder or if you need a huge project a dremmel its way easy
you have to be a complete morron to grind away enough cast iton to screw it up
what i did was close the flap trace arround it with a pencil..then grinded the center out till the line was just barely there

then chamfered the edges on both sides and smoothed out the rest of the flow section

i went from creeping to 16psi down to 10.5 in4th gear

 

1.25? ok and what is the stock diameter?

I am not familiar with the english term, what is a die grinder?

thanks guys, this is precious information

 

i honestly dont know the stock diamater


die grinder is like a dremmel(u knwo what a dremel rotary tool is right?)
but air powered..let me see if i can find a pic

http://www.harborfreight.com/cpi/cta...emnumber=34940

 

oh ok, thanks, sorry for my ignorance