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How to make a collector/merger.

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Old 09-29-2004, 08:39 PM
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Default How to make a collector/merger.

After seeing a couple of post asking how to do so and end up with replies such as "It's a secret how to make them things, but we can sell you one" replies from a guy representing Burnstainlesssteel, I felt intrigued to do this. I'm fairly new to CAD but manage to whip this up. I'm sure lot of you guys already know this but this is just for ---- and giggles.

Here is your tube to start with.

Then simply cut it like this :|

This is what it looks like from the front.

Then make the same cut on the front side, if the tube was square, this two cut would be perpendicular to each other in a way :|

It should look like this after all the cutting.


Top view after all the cut section are joined.

Bottow view.

I roughly put it together so you would get an idea what it looks like.
There you go, have fun.
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Old 09-29-2004, 08:56 PM
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Default Re:How to make a collector/merger.

check out some of these. i like to get on honda-tech and look through there welding/fab section...heres what i found...right now.
http://www.honda-tech.com/zerothread?id=993817
http://www.honda-tech.com/zerothread?id=984308

and the best thread to making your own mani...
http://www.honda-tech.com/zerothread?id=956666
thought you rotary people would like this...
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Old 09-29-2004, 08:59 PM
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Default Re:How to make a collector/merger.

what kind of program did you use to make those ?
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Old 09-29-2004, 09:02 PM
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Default Re:How to make a collector/merger.

Originally Posted by Travis
what kind of program did you use to make those ?
you can go to www.emachineshop.com and download there cad program. its really pretty bad *** to be truthful. then if you make something, and you want to buy one, you send the file that you made to them, and they tell you how much it costs...just look at the web site, it tells you everything.
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Old 09-29-2004, 09:06 PM
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Default Re:How to make a collector/merger.

if i ever need to make a collector like that i will just chop off the collector off of a sbc header... there is plenty laying around
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Old 09-29-2004, 09:07 PM
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Default Re:How to make a collector/merger.

Originally Posted by sccaeg
Originally Posted by Travis
what kind of program did you use to make those ?
you can go to www.emachineshop.com and download there cad program. its really pretty bad *** to be truthful. then if you make something, and you want to buy one, you send the file that you made to them, and they tell you how much it costs...just look at the web site, it tells you everything.
easy to use ?
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Old 09-30-2004, 08:57 AM
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Default Re:How to make a collector/merger.

easy to use ?
its not as easy as working with paint or anything like that. i would compare it to working with photoshop for the first time, with no help what so ever. they have tutorials and ----, so if you sit down with it for a long period of time, you could come up with some decent ----.

i was gonna become the next benen. tow hooks, rad. supports, throttle cable linkage, things like that.
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Old 09-30-2004, 10:57 AM
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Default Re:How to make a collector/merger.

what would you use to cut it at that angle? an angle grinder?

i wanna try it now...
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Old 09-30-2004, 11:04 AM
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Default Re:How to make a collector/merger.

band saw, -hell, pretty much any saw would do it. then grind down the edges to perfection, kinda like a peice of wood. you cut it about 1/8 away from where you want the cut to be, then sand/grind it down to perfection.
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Old 09-30-2004, 04:54 PM
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Default Re:How to make a collector/merger.

once I get my welder I'm gonna start busting out mani :P
I'm gonna make the first line of mani free for all HMT members :P
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