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-   -   Header tube size on original coupe (http://www.clubcobra.com/forums/coupe-talk/114777-header-tube-size-original-coupe.html)

MAStuart 03-14-2012 12:31 PM

Header tube size on original coupe
 
Hi! I recently purchased the glass packs to try and build the exhaust for my scratch build coupe. I was wondering if anyone knows what size primary pipes and secondary pipes was used on the original Daytona Coupes for their exhaust system? Thank you, Mark

bkozlow 03-15-2012 06:30 AM

As I remember it was 1 5/8" into 2".

BillK

LMH 03-15-2012 06:59 AM

I was watching a show the other night about the Daytona and noticed the side pipes looked to be 2".
I'm not sure originally they were all the same though.
Larry

MAStuart 03-16-2012 11:44 AM

Hey! Thanks guys. The glass packs are 2in in and 2in out with 2in core. 3in outside diameter. That is what the plans I am using calls for. It doesn't mention anything about the head pipes. My plan was to use 1 5/8 and 2in tubing. I have spent alot of time looking and searching for pictures these cars and there really is a lot of difference in the 6 cars. One appears to have a lot bigger diameter mufflers with maybe 3 in outlets on them, but the inlets look smaller (CSX 2601). Some of the others look small like what Chuck was using. Thanks again!! Mark

bkozlow 03-16-2012 01:11 PM

You would have a hard time finding them but CSX-2286 has to this day the 1960 Chrysler Imperial resonators I used as new mufflers. They were the same size, except 3 inches longer than the cans that were on it, before I restored the car. Orginally, they were after the Chrysler mufflers as additional silencing. These cars changed with each owner and restoration, example, CSX-2299 rear spoiler is not orginal. The car was sold to Mike Shoen without a spoiler and he had a friend make what they thought it should be. It is close to what the orginal looked like, but it is different than CSX-2287 and CSX-2300. My suggestion to you is to have 4 made of stainless steel and polished to a SS finish, not chrome like and do the complete header system in SS. Then, if you want them white you can use a high temp paint, the orginals were not painted white, they were coated with a aero-space aluminum oxiide coating that was white.

BillK

series2 12-18-2012 09:26 PM

coupe
 
Did you build out of glass or alu.?I will check on size for you. Bruce


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