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  #16  
Old February 23rd 2012, 16:45
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Well, I borrowed some very good heat exchangers from a friend, and did some more measurements. It's actually easier than I thought because the 2 stubs are actually parallel and only the stud pattern is offset. It's so much harder to try and take the measurements out of the heads..



The good news, is that the cyl.1&4 stud pattern seems perfectly centered, eaventho it looks a bit off because of the shape of the 2 "ears". So I only have to do one more plate for the cyl.2&3 jig. That one has the holes offset by 3mm clockwise (looking into the exhaust port). The tabs will definately need to be trimmed to fit in there. The oval flanges fit very well inside the ports.


This is how I measured: The tail of the big caliper was sitting on the other stub.
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  #17  
Old February 23rd 2012, 17:23
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Nice pictures, you will be glad you did it the right way first time :-)
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  #18  
Old February 23rd 2012, 22:08
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Glad you found some exchangers to use, makes it MUCH easier to figure out.
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  #19  
Old March 8th 2012, 22:25
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Stubs

Now if you were to sell those!! What would you charge?
They are very nice. Wish i had a set, Dave
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  #20  
Old March 9th 2012, 06:47
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I can't say yet, as they are not complete.
One thing I can tell for sure, is that they are not going to end up cheaper than the ones CSP is selling CSP T4 stubs but I'm hoping they will be better, and of course stainless steel, versus the CSP plain steel.
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  #21  
Old May 17th 2012, 10:10
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Finally some progress... 6 more mounting tabs to weld, then a bit of polishing and I'm done




I'm also trying to build a 4into1 collector. thats pretty damn hard with only the tools I have...
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  #22  
Old May 17th 2012, 13:10
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Thats awesome man! Nice welding and nice shapes all around.
Well done!
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  #23  
Old May 18th 2012, 22:40
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Those are looking very good!
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