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Old May 6, 2012 | 10:47 PM
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Stainless headers...

Thought I'd show some of the parts I've been gathering for my 304 stainless headers I'm starting to fabricate.









Collectors are http://www.stainlessheaders.com/mergecollectors 2'' primary tubes with a 3.5'' exit with a ventruri design tri Y. I also have a box full of 90 degree elbows and a 20' stick of tube. Still getting parts for my tig setup.
I purchased this Miller 300 xmt inverter. Stick,tig and will aslo power my Esab portable mig suitcase capable of weldling massive 1/16 wire.

 
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Old May 6, 2012 | 10:56 PM
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I've never built headers before so it will be a learning process. Stainlessheaders.com has a very cool video series on youtube on how to make customs headers. Worth a look at if your interested..

Custom Header Fabrication
 
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Old May 7, 2012 | 12:00 AM
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Stainless is a real pia to tig weld.
 
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Old May 7, 2012 | 12:10 AM
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Originally Posted by mark a.
Stainless is a real pia to tig weld.
Tight fitup and backpurging gas
 
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Old May 7, 2012 | 08:14 AM
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Parts and material look good. Anxious to see the finished product.
 
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Old May 7, 2012 | 08:40 AM
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your gonna come home to find someone has hacked them off at the heads to sell for scrape
 
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Old May 7, 2012 | 08:55 AM
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its ok...73s mom whacks off pipe for pennies on the dollar(CAD) all the time.
 
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Old May 7, 2012 | 11:10 AM
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Originally Posted by 77mud
your gonna come home to find someone has hacked them off at the heads to sell for scrape
Think I'd cry. Haha
I'm deciding on buying a set of FE bigblock 3/8 head flanges at $70 a piece plus shipping or make my own. I would use 5"x3/8 stainless flatbar and give it to a local shop that has a plasma table. They could just use a header gasket for template just for the square holes. I would then just punch the 7/16 holes after at my shop. Got a buddy searching his shipyard for some material.
I'll probably need some tube sent to Vancouver where I can get some mandrel bends made up. Sucks no one in my area has one and a standard exhaust bender will distort the tube.
 
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Old May 7, 2012 | 06:54 PM
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Originally Posted by alpha/omega
its ok...73s mom whacks off pipe for pennies on the dollar(CAD) all the time.
I lol'd

gd10cl
 
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Old May 7, 2012 | 07:08 PM
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With Mandrel bent 90s, you can make any bend less than that with a simple cut. You should be golden with what you have.
 
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Old May 7, 2012 | 07:28 PM
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Originally Posted by hav24wheel
With Mandrel bent 90s, you can make any bend less than that with a simple cut. You should be golden with what you have.
The 90 elbows I have will be used right at the collector going directly up on about 6 of the 8 tubes. The others are more gradual. Off the head there's some tight radius 90's as well. I have a box of 10 elbows. My fastener shop gave my a Qoute of 31$ each one!(my shop account) Crazy expensive. Lucked out and a guy I know had theses ones he gave me. All 304 stainless. I'm going to duplicate the headers I already have to make things much more simpler. I'm shooting to keep the tubes all equal length 30-33" long as from some header research I've read is the optimum for performance. I'm guessing the headers I currently run are A good flow design to start. I think they are Hedmans but not sure.

Was looking into some 180 ,6" inside radius tube sections I can buy to make the less gradual bends. Prices are between $40-$80 per 180 hoop online. Gotta be 304 grade and 16 gauge! Shop in Vancouver quoted me $20 per bend up to 140 degrees they are capable of. Maybe I'll just get them to make me some out of my own material. I hate trying to work around problems like this when it comes to specific specialized stuff. Just like the tie rod taps it's ongoing issues that I have to figure out on my own..
 
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Old May 11, 2012 | 11:28 AM
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So headers are on hold till I get back..I'm chillin poolside in Anaheim, then Vegas on Sunday, but I've been searching for air/fuel ratio meters. This one in particular looks to be the most accurate

Air-Fuel Ratio Meter Tuning- Car Craft Magazine

They make a lm-2 with a OBD reader but I don't need that. I want to weld a wideband 02 into one of my collectors to be able to read and record AFR at cruise,idle and WOT. Seen these go on eBay for about $150.
Anybody ever used one of these before? I'm Probly gonna get a " read your plugs" * flipoff*
 
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Old May 11, 2012 | 06:06 PM
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read your plugs, crane jib ghey flippy floppy tall too <-mix and make your own insult 73 ford ghey :flip!
 
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Old May 11, 2012 | 06:16 PM
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Originally Posted by captain p4
read your plugs, crane jib ghey flippy floppy tall too <-mix and make your own insult 73 ford ghey :flip!
Are you drunk?




Cuz I know I'm getting there. But really^^
 
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Old May 11, 2012 | 06:29 PM
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no, was making a funny. guess it didn't work
 
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