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Crazy header ideas?
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raul arrese
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Joined: July 23, 2006
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Location: miami florida
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PostPosted: Sat Dec 13, 2014 3:54 pm    Post subject: Reply with quote

thanks guys , Yeah 1-3 4-2 would work better if you can fit it , in my application it was more like build what I want ,, not so much performance .

this is what you cant see in those pics , my exhaust runs right through my motor mount thanks to a 5 inch raise .

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DeathBySnuSnu
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Joined: August 25, 2012
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PostPosted: Sat Dec 13, 2014 4:15 pm    Post subject: Reply with quote

Way cool.
Thanks for posting up your ideas.
I am thinking it is the way I am gonna go.
1 and 3
2 and 4
It would let o2 of the front cylinders be seperate from the rear.
That could come in handy with my application.
Run dual tables. The back cylinders could then be a touch fatter than the front.
Same as a Hardley the rear run a little hotter than the front.
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raul arrese
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PostPosted: Sat Dec 13, 2014 4:20 pm    Post subject: Reply with quote

Oh yeah I see , lol,,, every application is different .
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DeathBySnuSnu
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PostPosted: Sat Dec 13, 2014 4:30 pm    Post subject: Reply with quote

Yep.
Good thing I don't live in the big city.
My cooling is mph dependant just like any other air cooled motorcycle.
If the jugs and heads were not hanging out in the wind it would cook.
I have a 185 degree switch on my oil cooler fan. It has only turned on twice in the past 20 years.
I think i am going to loose the fan.
I know not to ride in an extremely slow moving parade in 100+ degree heat.
Also if I get caught in a road jam from an accident to just shut if off and wait it out.
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bluebus86
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PostPosted: Sat Dec 13, 2014 6:15 pm    Post subject: Reply with quote

DeathBySnuSnu wrote:
The plane is a Pitts special.
A real bi-plane kit "experimental" plane.
Gonna use it for a sign.


My good buddy who worked on 914's in his parents garage with me some 20+ years ago had his Step Dads Pitts Bi-plane in the garage (along with a Little yellow 1960's Lotus Elan) he had a guy working on it for him rebuilding the wing in the garage because he flipped the plane when landing. so right there in the garage as we wrenched on 914's we watched the guy painstakingly build a bi-plane wing and get it inspected to FAA approval as he went. He used thousands of little nails, special steel, copper plated to resist rust, and pre-coated with some glue to hold it fast in the wood, these little nails were special for wooden airplanes. what a craft.
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DeathBySnuSnu
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PostPosted: Mon Jan 26, 2015 7:30 pm    Post subject: Reply with quote

Still on my project.
Want to ride this spring. Just not a lot of spare time to work on my stuff.
So it has grown a bit since last time.
I had planed on 92 thick wall. Wound up with a set of mahle 94mm.
So i am 2387cc now, engle fk10, ITB fuel injection and ford edis ignition.
Head are mofoco 050's that have served me well with the extra cooling fins and my odd application. Port work has always been just a buff and fluff job.
I am gonna get more serious about the intake ports this time around.

So about headers.
I still have not come up with a way for true 4 into 1.
So i am planning on a 4 into 2. Pairing 1 and 3 around the flywheel end and out one side. Then pairing 2 and 4 around the pulley end and out the other side.
All the simple header calculators put me around 1.82 to 1.87 Id and 26.5 to 27.5 long for the two cyl header.
As far as I know none of the calculators are vw specific or really take into account enough specifics to truly predict a real tune.

Ok... so any thoughts on a 4 into 2 header and pipe size?
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mark tucker
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PostPosted: Tue Jan 27, 2015 2:24 pm    Post subject: Reply with quote

I would get a bilge blower&make some ducklings so if needed you could have a cooling fan for those mardi graw parades.
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