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-   -   Why do people make their t3 collectors round? (https://honda-tech.com/forums/welding-fabrication-53/why-do-people-make-their-t3-collectors-round-1795514/)

dave@passenger 10-28-2006 10:27 PM

Why do people make their t3 collectors round?
 
Why do people make their t3 collectors round? The turbine inlet on a t3 is rectangle, so why not make them in a rectangle shape. I just made a couple t3 collectors, 15 degree angle, 1.25"sch40 mild steel, cut on a mill.

https://i94.photobucket.com/albums/l...r/DSCN5657.jpg
https://i94.photobucket.com/albums/l...r/DSCN5662.jpg
https://i94.photobucket.com/albums/l...r/DSCN5661.jpg
https://i94.photobucket.com/albums/l...r/DSCN5660.jpg
https://i94.photobucket.com/albums/l...r/DSCN5660.jpg
https://i94.photobucket.com/albums/l...r/DSCN5670.jpg
https://i94.photobucket.com/albums/l...r/DSCN5671.jpg
https://i94.photobucket.com/albums/l...r/DSCN5669.jpg

You can also see I cut the 15degree angle at the bottom of the collector where it mate to the flange ahead of time, seems most of the collectors I see don't do that, seems kind of backwards http://images.honda-tech.com/set1//smile/emcrook.gif

Here are some pics of a collector I cut for a variable vane turbo with a circle inlet:

https://i94.photobucket.com/albums/l...r/DSCN5656.jpg
https://i94.photobucket.com/albums/l...r/DSCN5658.jpg
https://i94.photobucket.com/albums/l...r/DSCN5663.jpg
https://i94.photobucket.com/albums/l...r/DSCN5664.jpg
https://i94.photobucket.com/albums/l...r/DSCN5665.jpg
https://i94.photobucket.com/albums/l...r/DSCN5666.jpg

siblues 10-28-2006 10:31 PM

Re: Why do people make their t3 collectors round? (dave@passenger)
 
That looks like a really nice collector and it seems to fit together great https://honda-tech.com/forums/images/smilies/emthup.gif

weiRtech 10-28-2006 10:33 PM

any pics of your setup on the mill?

dave@passenger 10-28-2006 10:45 PM

Thanks it really does fit together great. I don't have any pics of my jig, I don't have a digital camera and the mill is not mine, its a friends shop, the jig stays there. I will try and get some pictures sometime though, we came up with a really simple and easy jig, superstrong and perfect repeatability between collectors.

Oyvind Ryeng 10-29-2006 01:43 AM

Re: (dave@passenger)
 
DO go on, kind sir! https://honda-tech.com/forums/images/smilies/emthup.gif

Kelly. 10-29-2006 02:33 AM

damn, looks great.

you should sell the pipes already cut, and let other people weld them up (or mess them up in my case http://images.honda-tech.com/set1//smile/emcrook.gif )
especially if the repeatability is dead on like that https://honda-tech.com/forums/images/smilies/emthup.gif

dave@passenger 10-29-2006 07:28 AM

Re: (Kelly.)
 
I was planning on selling some yes, I will have to make another jig for 1.5" pipe though for all you DOHC guys, for people like me running and 8v these are perfect. I made these for vw tdi and IDI engines.

AspectIndustries 10-29-2006 10:23 AM

Re: Why do people make their t3 collectors round? (dave@passenger)
 
Looks good. https://honda-tech.com/forums/images/smilies/emthup.gif No in for some step by step how-to'! https://honda-tech.com/forums/images/smilies/emwink.gif https://honda-tech.com/forums/images...s/emsmilep.gif https://honda-tech.com/forums/images/smilies/emthup.gif

beasty=eg 10-29-2006 07:40 PM

hey thats nice ....hey i wanna get a collector but with two tube cut with the flang so that I can try to make a top mount out the top half of my header I've seen it done on a single cam

dave@passenger 10-29-2006 09:45 PM

Re: (beasty=eg)
 
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by beasty=eg &raquo;</TD></TR><TR><TD CLASS="quote">hey thats nice ....hey i wanna get a collector but with two tube cut with the flang so that I can try to make a top mount out the top half of my header I've seen it done on a single cam </TD></TR></TABLE>

Huh? I'm not picking up what you are throwing down, can you explain this better? http://images.honda-tech.com/set1//smile/emcrook.gif

Kelly. 10-29-2006 10:23 PM

Re: (dave@passenger)
 
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by dave@passenger &raquo;</TD></TR><TR><TD CLASS="quote">Huh? I'm not picking up what you are throwing down, can you explain this better? http://images.honda-tech.com/set1//smile/emcrook.gif </TD></TR></TABLE>

i think he wants you to make hima merge collector,
but he only need to pipes to merge.

he will be adding an extention onto the bottom of a header.
like this:

https://i25.photobucket.com/albums/c...n/HPIM0792.jpg

beasty=eg 10-30-2006 09:47 AM

yeah .........thats what I want to do can someone help me out

thanx

Running925 10-30-2006 10:08 AM

i'd definatly be interested in purchasing the 4 pipes pre-cut so that i could form my own collector.

1.5 inch tho.

when do you think you could make some more of those!?!?

beasty=eg 10-30-2006 10:15 AM

CAN SOMEONE HELP US ??????????????


legendboy 10-30-2006 11:35 AM

Re: (beasty=eg)
 
mind my asking if u use a slitting saw and then bounced over them with a cutter or just hog it off with a cutter?

onefstek 10-30-2006 12:13 PM

verry nice job. I think most people that make collectors don't do two different agles because it would take twice as long to make one collector.

Doing it the way you did, it defenetlly makes it way nicer to weld to a t3 flange.

I usually just make them the same and put it in a vice and make the collecotr rectangular to mate to the t3 flange.

Kelly. 10-30-2006 02:14 PM

Re: (beasty=eg)
 
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by beasty=eg &raquo;</TD></TR><TR><TD CLASS="quote">CAN SOMEONE HELP US ??????????????

</TD></TR></TABLE>

might want to start your own thread, instead of whoring this guys thread up,
or pm him https://honda-tech.com/forums/images/smilies/emwink.gif

redboost10 10-30-2006 08:36 PM

Re: (Kelly.)
 
this is how i did my collectors, it takes more time to set it up to make two different cuts, but it fits on the flange so much better, its worth it.

dave@passenger 10-30-2006 08:48 PM

Re: (Kelly.)
 
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Kelly. &raquo;</TD></TR><TR><TD CLASS="quote">i think he wants you to make hima merge collector,
but he only need to pipes to merge.

he will be adding an extention onto the bottom of a header.
like this:

https://i25.photobucket.com/albums/c...n/HPIM0792.jpg </TD></TR></TABLE>

Maybe I am just stupid but I still don't get it. Did you mean "two" instead of "to"?

dave@passenger 10-30-2006 08:59 PM

Re: (Running925)
 
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Running925 &raquo;</TD></TR><TR><TD CLASS="quote">i'd definatly be interested in purchasing the 4 pipes pre-cut so that i could form my own collector.

1.5 inch tho.

when do you think you could make some more of those!?!?</TD></TR></TABLE>

I could make them whenever, I don't need 1.5" collectors myself so if I am going to make them for somone I want to make a few so its worth my while, and they aren't going to be dirt cheap either, it takes a while to make a jig and cut everything on a mill, but the fitement and repeatability is perfect, you get what you pay for. As you can see I also cut my collectors angle (say 15degrees) so that they sit flush on the flange, seems most of the ones I see here don't, I'm not sure how these guys go about cutting those afterwards or if they even do. Also the ends that mate to the primaries are also surfaced on the mill. I think I am gonna cad up the base of my collectors and get Sam at BMCrace to mill the shape and angle into the flange to make an ultra smooth flowing collector/flange https://honda-tech.com/forums/images/smilies/emthup.gif

dave@passenger 10-30-2006 09:04 PM

Re: (legendboy)
 


Hogged it off with a cutter and the ends with an end mill.

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by legendboy &raquo;</TD></TR><TR><TD CLASS="quote">mind my asking if u use a slitting saw and then bounced over them with a cutter or just hog it off with a cutter?</TD></TR></TABLE>

dave@passenger 10-30-2006 09:06 PM

Re: (redboost10)
 
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by redboost10 &raquo;</TD></TR><TR><TD CLASS="quote">this is how i did my collectors, it takes more time to set it up to make two different cuts, but it fits on the flange so much better, its worth it.</TD></TR></TABLE>

No doubt https://honda-tech.com/forums/images/smilies/emthup.gif

Running925 10-31-2006 05:40 AM

Re: (dave@passenger)
 
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by dave@passenger &raquo;</TD></TR><TR><TD CLASS="quote">

I could make them whenever, I don't need 1.5" collectors myself so if I am going to make them for somone I want to make a few so its worth my while, and they aren't going to be dirt cheap either, it takes a while to make a jig and cut everything on a mill, but the fitement and repeatability is perfect, you get what you pay for. As you can see I also cut my collectors angle (say 15degrees) so that they sit flush on the flange, seems most of the ones I see here don't, I'm not sure how these guys go about cutting those afterwards or if they even do. Also the ends that mate to the primaries are also surfaced on the mill. I think I am gonna cad up the base of my collectors and get Sam at BMCrace to mill the shape and angle into the flange to make an ultra smooth flowing collector/flange https://honda-tech.com/forums/images/smilies/emthup.gif </TD></TR></TABLE>

If your willing to cut the pipes for a resonable price i'll take 2 sets of them, i'll weld them together, i just like your cuts & the only equiptment i have to do the cuts would be my sawzall & a vice, so you can see why i would like to have the pre-cut pipes. let us know. Also PM me if you decide you can do them. I might be able to get a couple more sets from you if the price is right.

tony

George Knighton 10-31-2006 08:29 AM

Re: Why do people make their t3 collectors round? (dave@passenger)
 
Somebody complained that this looked like a commercial thread, so please be careful and don't start selling stuff in a tech forum. https://honda-tech.com/forums/images...es/emsmile.gif

HNLV 10-31-2006 10:19 AM

uh-oh someone is in trouble... Nice collector.


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