This is how I did it, Dyno video at the end.
Set up by:
Dynoit.co.uk (HT racing)
These three unknowingly helped with research:
Superb Mandrel bends off ebay from ebay seller:
Custom Headers Part (1 of 6 ).wmv
Custom header design, header mockup, custom header fabrication and header
welding series. We have used this process for many applications such as
Corvette headers, Ls1, Small Block Chevy, Big Block Chevy, Small Block
Ford, Big Block Ford Hemi, Pontiac, Buick and many others.
Model 32 Hydraulic by JD Squared, Inc.
This is the official Model 32 Hydraulic Bender video by JD Squared, Inc.
Watch Bob Hughes - owner/engineer demonstrate how to load and operate the
Model 32 as well as discuss some important features.
Header Collector Science
I tested a simulated automotive header with some very interesting results.
Groutaone official race gear found here http://www.groutaone.com/
Production of the G&G GP exhaust for the Yamaha R6
Have you ever wondered, how your G&G GP Exhaust is produced? This video shows a couple
of the steps in the process of creating your Exhaust. All our Exhausts are hand-made in Italy, according to
high standards. Of course, we are always ready to answer all your
We receive a lot of comments about the fact that no welding gloves are
used. Our main goal was to show the process as well as we could, and the
decision was made not to use gloves for once. Rest assured that our welders
normally use protective gear. We thank you for your concern for our
Check www.gegshop.nl for our different GP Exhausts.
Have you ever wondered how the best Exhaust on the market makes their pipe? This 2
minute video will give you all the details you need to know about our
Cylinder Head 106 - Casting & Porting Tech
No really guys, what can I type here? I just went on for 18 minutes
without shutting up. I apologize for deviating from my normal format, but
we're almost there...
...when I port a head, there will be no voiceover, and it will be a
Exhaust Header - Explained
What are Exhaust headers? How does an
Exhaust header increase horsepower? What's the
difference between a 4-2-1 header vs 4-1 header? This video explains how Exhaust headers are used as a portion of
the Exhaust to increase horsepower, by using long
piping and larger diameter piping, as well as a larger diameter collector.
Yonaka Headers -
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Comp Cams - How it's Made
Competition Cams, one of the industry leaders in performance engine
equipment, walks PowerTV through the complex process of designing, creating
and manufacturing its high performance cam shafts.