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Exhaust header question

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57 oval Oval type 4 Fuel Injected

184 posts · joined Feb 2008 ·

#863842
I am making my own exhaust for my type 4 conversion into an Oval and need to know.
What is the required length of the pipes from the heads to the colector if you are attempting to make a tuned length exhaust,
My thoughts on pipe size is 1 5/8" out of the heads convert straight away to 1 3/4" pipes to the first collector, two in at 1 3/4 then 1 out at 2" then from the collector 2"pipe going to the second collector were it would be 2 in at 2" and 1 out at 2 1/2" then off to a box and tail pipe.
Any tech assistance on this would be appreciated
Cheers
1957 Oval type IV
1956 Oval poss project
1954 Oval impossible project
Ass 70's Beetles
http://www.users.on.net/~rogerbyrne/index.htm

matberry Moderator Go hard or go home

8,114 posts · joined Mar 2006 ·

#863891
Sounds too big for me, more engine details needed and in what car?
Matt Berry Motorsports...air cooled advice, repairs and mods Ph 0408 704 662
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