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-   -   build your own ! (http://forums.pelicanparts.com/porsche-911-technical-forum/508806-build-your-own.html)

Darryl Irvine 11-03-2009 07:02 PM

build your own !
 
wanted to share my latest project. Custom built headers for my 3.6 transplant project (going in my 82' SC). They are 1 3/4" stainless-304, 0.065 ga., equal length, well almost, 18",19",18". Any Thoughts? http://forums.pelicanparts.com/uploa...1257307142.jpg

http://forums.pelicanparts.com/uploa...1257307206.jpg

http://forums.pelicanparts.com/uploa...1257307226.jpg

http://forums.pelicanparts.com/uploa...1257307303.jpg

Tim K 11-03-2009 07:21 PM

Nice work!

Any details on the little tube fixtures? I assume you're back purging while welding correct?

Again, nice work.

Tim K

tangerine911S 11-03-2009 07:27 PM

Saawwweeeett!

80-911SC 11-03-2009 07:46 PM

you sir , have skills , there are many here who would pay dearly for those , they are a work of art , almost a shame to put on the bottom of a motor ....

one idea is to carry a couple of mirrors and put them down when you park to show off your work ... truly nice .

Danny_Ocean 11-03-2009 08:15 PM

Nice!

"Build my own?" Yeah, right. I would have better luck doing my own open heart surgery.

Ole Petter 11-04-2009 01:41 AM

Fantastic!!:)
Do you have a picture of the complete system?

spence88mph 11-04-2009 03:11 AM

sensational, man I want to learn how to weld, I have no idea where to start...

great work!!!

docrodg 11-04-2009 03:13 AM

Hard to see the clearances in the pics, but could you sharpen the bend in the middle pipe and move it down enough to take an inch off where it meets the head?

JeremyD 11-04-2009 03:43 AM

You'' probably need a bigger flange where the exit the heads - but excellent work there my friend. How much?

911st 11-04-2009 06:10 AM

Very nice!

What muffler are you using?

Is it a straight through?

Hoping it is not an X flow muffler.

carslutt 11-04-2009 07:38 AM

looks good, what is the orange tube? looks like a really nice way to mock up exhaust.

Wavey 11-04-2009 08:30 AM

Holy..... :eek: Nice work!

RarlyL8 11-04-2009 08:47 AM

Your primary tube design is similar to mine. Back purge is not as critical in a non-turbo application but you would not want to suck in any slag during decel. I assume you are welding this up.

http://forums.pelicanparts.com/uploa...1257356612.jpg

jcge 11-04-2009 12:11 PM

Very nice work sir !!!

++++1 on more info about those clamps holding the work prior to welding - I've never seen them before, and they look like very usefull little gadgets !!!

John

Darryl Irvine 11-04-2009 05:06 PM

All,

The "kit" I used was purchased from a company called "icengineworks" it came with dozens of various pieces (different radius & straights) and the welding clamps you see in the pictures. It took me about a week and several attemps before I got them to fit & equal length. The muffler is a Magnafold "X" flow type at about 14" wide. Somebody said the "x" flow may not be good?? and I think I could have gone with something wider (like 20" wide) and thus less loud?? Any suggestions on olive connector or straight flange type after the merge collector??http://forums.pelicanparts.com/uploa...1257386669.jpg
http://forums.pelicanparts.com/uploa...1257386703.jpg
http://forums.pelicanparts.com/uploa...1257386726.jpg

911st 11-04-2009 05:47 PM

This it my belief or two cents on the X flow. It was not intended to be used with exhaust gasses coming at each other where the tubes cross. It is more intended as a cross over and muffler for a car with a V6/8 where the tubes and gasses are running the same direction.

If you are intent on a Magniflow style muffler there is one that has two straight through tubes. This has been used with one side of the motor going through the upper passage and the other thought the lower tube in and out.

They also make a Camaro muffler that has two 2.25" In's on each end and one 2.5" out on one end.

Your design is perfect for a Flowmaster muffler which is designed with an In and Out on both ends of the can. It is a proven race muffler on a 911 and makes power but can drone with its two tail pipes.

Gogar 11-04-2009 05:50 PM

Quote:

Originally Posted by RarlyL8 (Post 4991419)

Fix that sump plate, sonny!!!!

TimT 11-04-2009 06:05 PM

just check out

Ice engine works

Probably cheaper to use some mild tube for mock up..

It modeling blocks...Ideally you use sections of off the shelf tubing....

jcge 11-04-2009 07:37 PM

Header Lego....great concept

ALXinNZ 11-05-2009 02:11 AM

Where are you going to mount the lambda sensor ? Can the wires be lengthened ?

Regards


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