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Thread: DIY Headers

  1. #11
    Official RnS Addict Big Joe's Avatar
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    Quote Originally Posted by mygasser View Post
    on the plus side if you went for the 'd' blocks you'd only need to buy a round bar half the length to start with, lol.
    neil.
    Not quite Neil, the Tripple carb inlet manifold that I have bought is designed to hook over the tube manifold (I hadn't thought of that before) so it looks like I will have to use 1&3/4 inch bar and bore holes in that ... Back to the drawing board

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  3. #12
    Official RnS Addict mygasser's Avatar
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    what about using the stock log manifold and bore/cut holes through it and slip pipe into each hole that's shaped (like you would for a roll cage joint) to fit to the other inside (head) side of the log. essentially blocking each port from the others and giving you 6 stubs to work from. so the same as your round bar method but your pipe stubs go right through the old log to the head side rather than welding to the outside of the bar. i think that makes sense.
    neil.
    Last edited by mygasser; 09-11-2020 at 12:10.
    need a job done on your project? i may be able to help.

  4. #13
    Official RnS Addict Big Joe's Avatar
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    I had a good response from Whengparts so I will probably go with that for starters. I'm not clever enough to work out the lengths myself so I am thinking of copying the design of TR6 headers (does that sound like a plan)

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  6. #14
    Stroker Kustom Jim's Avatar
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    I forgot that I had to cut off some of the inlet manifold like you say, I think. Lol
    With my Consul 1703 four pot I'm not sure that coupled with a Nikki carb it actually gave it any more ooompf.

    Pretty sure the six pots with Raymond M upgrade were a different ball game!!

  7. #15
    Official RnS Addict Big Joe's Avatar
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    It hss been said that the last generation of Raymond Mayes heads ( the ones with the triple Webbers) were good for 200 BHP, they have started making them again but they are expensive. A decent carb and exhaust could tip a six over the "100 BHP per ton" ratio which is what used to define a quick car..
    Last edited by Big Joe; 10-11-2020 at 19:22.

  8. #16
    longroof society member yellacar's Avatar
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    Quote Originally Posted by Torment View Post
    Whengparts may be able to help with flanges.
    yes, can vouch for wengparts, they did some axle brackets for me. cant rember the guys name but he is really helpfull.


    Cheers Ian

  9. #17
    Official RnS Addict Big Joe's Avatar
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    Quote Originally Posted by yellacar View Post
    yes, can vouch for wengparts, they did some axle brackets for me. cant rember the guys name but he is really helpfull.


    Cheers Ian
    I have ordered the flanges from Wengparts, anyone got a recommendation for mandrel bends and tubes?

  10. #18
    Official RnS Addict choppedblownpop's Avatar
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    I used a seller on eBay Fab_co,
    Good bends,(st/st) here in a couple of days,
    I was limited as I needed 1 7/8”,
    Before, I used custom chrome, and the quality wasn’t as good

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