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  1. #1
    Non-member Nayls's Avatar
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    tubular manifold/b.m.s d/p fitting?

    Anybody managed to fit these pair on a gtt?

    did you make a spacer for the turbo elbow? or something else?

  2. #2
    Non-member RICHIE's Avatar
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    Re: tubular manifold/b.m.s d/p fitting?

    Quote Originally Posted by Nayls View Post
    Anybody managed to fit these pair on a gtt?

    did you make a spacer for the turbo elbow? or something else?
    ive got a tubular manifold on mine with a bms downpipe no mods required for me to fit mine but it was tight though

  3. #3
    Non-member Nayls's Avatar
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    Re: tubular manifold/b.m.s d/p fitting?

    Quote Originally Posted by RICHIE View Post
    ive got a tubular manifold on mine with a bms downpipe no mods required for me to fit mine but it was tight though

    mine wont fit you'rs must be touching surely?

  4. #4
    Non-member jure's Avatar
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    Re: tubular manifold/b.m.s d/p fitting?

    Mine fits like a dream. Its not K-tec manifold tho...

    https://www.rtoc.org/boards/album.php...pictureid=1667

  5. #5
    Non-member Duncan Grier's Avatar
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    Re: tubular manifold/b.m.s d/p fitting?

    Spent WAY too long trying to fit an enlarged downpipe to James Surridge car, he has the ktec manifold and it is a ktec downpipe but no matter what I do it does not line upto the exhaust correctly

    Solution = BIG heat and BIG hammer to make a dent by the fouling downpipe to get the correct angle.

    Scoff showed me the light lol

    Looks a better solution than the stock elbow

  6. #6
    Non-member RICHIE's Avatar
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    Re: tubular manifold/b.m.s d/p fitting?

    Quote Originally Posted by Nayls View Post
    mine wont fit you'rs must be touching surely?
    nope not touching (just 2mm gap)

  7. #7
    Non-member Markey Mark (BD)'s Avatar
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    Re: tubular manifold/b.m.s d/p fitting?

    Are you running different turbo's to each other Richie and Nayls

  8. #8
    Non-member RICHIE's Avatar
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    Re: tubular manifold/b.m.s d/p fitting?

    Quote Originally Posted by Markey Mark (BD) View Post
    Are you running different turbo's to each other Richie and Nalys
    oh is it the turbo your refering to or the actual downpipe itself touching..

  9. #9
    Non-member Nayls's Avatar
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    Re: tubular manifold/b.m.s d/p fitting?

    Quote Originally Posted by Duncan Grier View Post
    Spent WAY too long trying to fit an enlarged downpipe to James Surridge car, he has the ktec manifold and it is a ktec downpipe but no matter what I do it does not line upto the exhaust correctly

    Solution = BIG heat and BIG hammer to make a dent by the fouling downpipe to get the correct angle.

    Scoff showed me the light lol

    Looks a better solution than the stock elbow

    That's strange! because the car had a decent fitting k-tec d/p on with the manifold!! the b.m.s is a no go though

    so basically you dented it then? no point having an enlarged one on there if you're gonna do that is there?

  10. #10
    Non-member Adam L's Avatar
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    Re: tubular manifold/b.m.s d/p fitting?

    The other problem you may run into, when I fitted my v-band elbow a couple of weeks back was it might touch the water lines for the heater matrix. I had to re-route the lower one slightly, but my elbow is 3'' rather than everyone elses 2 1/2''.

  11. #11
    Non-member markey b's Avatar
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    Re: tubular manifold/b.m.s d/p fitting?

    Quote Originally Posted by jure View Post
    Mine fits like a dream. Its not K-tec manifold tho...

    https://www.rtoc.org/boards/album.php...pictureid=1667
    the d/p looks like the flange doesn't match ya turbo?!

  12. #12
    Non-member tubby5's Avatar
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    Re: tubular manifold/b.m.s d/p fitting?

    i also run a k-tec tubular manifold and bms downpipe and it fits perfect

  13. #13
    Non-member Nayls's Avatar
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    Re: tubular manifold/b.m.s d/p fitting?

    Quote Originally Posted by Markey Mark (BD) View Post
    Are you running different turbo's to each other Richie and Nayls

    im running a gt25r

  14. #14
    Non-member Nayls's Avatar
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    Re: tubular manifold/b.m.s d/p fitting?

    Quote Originally Posted by RICHIE View Post
    oh is it the turbo your refering to or the actual downpipe itself touching..
    downpipe is touching the manifold

  15. #15
    Non-member jure's Avatar
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    Re: tubular manifold/b.m.s d/p fitting?

    Quote Originally Posted by markey b View Post
    the d/p looks like the flange doesn't match ya turbo?!
    No, everything Ok. Flange is same as SS gasket. 5 bolt patern and exhaust housing is classic T2/T25 so do not see the problem. One bolt/hole is blank.

  16. #16
    Non-member Adam L's Avatar
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    Re: tubular manifold/b.m.s d/p fitting?

    T2 and T25 stud patterns are totally different.

  17. #17
    Non-member jure's Avatar
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    Re: tubular manifold/b.m.s d/p fitting?

    My mistake. They fit on same 5 bolt flange. That was my point.
    Attached Images Attached Images  

  18. #18
    Non-member Mr 5's Avatar
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    Re: tubular manifold/b.m.s d/p fitting?

    iv got the same problem, ktec manifold and bms dp, mine doesnt quite touch,but when hot i can only get a piece of paper between the 2 so its a tight fit

  19. #19
    Non-member Frix's Avatar
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    Re: tubular manifold/b.m.s d/p fitting?

    is there gains to be had from a tubular manifold?

  20. #20
    Non-member jure's Avatar
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    Re: tubular manifold/b.m.s d/p fitting?

    I cannot tell since I changed turbo, downpipe, head, manifold, IC all at once. Cannot say is turbo more laggy (because of the its lenght) than before either

  21. #21
    Non-member Boris's Avatar
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    Re: tubular manifold/b.m.s d/p fitting?

    As a product of mine is being mentioned, I'll add some additional information to the thread..

    Firstly, apoligies to the few who have experienced clearence issues with k-t** manifold, it appears the sharp angles on the first header closes the distance from d/p to manifold to within 5mm, although this seems to vary.
    When the prototype one-peice was made it was designed to fit around the cast manifold whylst still giving enough clearence to avoid burning the heater hoses.

    A well designed equal-length manifold could produce some gains,(nice examples from italy ect.) but over the years im yet to see much back-to-back proof on the c1j. Check Stuart Clark's engine for reference to benifits...
    I think a high percentage of the club feel there are more gains to be had from removing restrictions after-turbo, and so I was catering my product to the majority of people with an o.e. manifold in situ.


  22. #22
    Non-member Nayls's Avatar
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    Re: tubular manifold/b.m.s d/p fitting?

    Boris,the downpipe is superb mate! in no way was i complaining at all mate (i know you've said nothing to think i was )

    it's far better quality than the manifold for sure! i was shocked when i shined a torch in the end of the manifold!

    Only reason ther manifold is on there is because it was on when i bought the car.

  23. #23
    Non-member RICHIE's Avatar
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    Re: tubular manifold/b.m.s d/p fitting?

    i wonnder if just another turbo flange spacer could be made just half an inch that would take it away from the manifold wouldnt it. boris how much were the flanges to have laser cut mate this would be the cheapest option

  24. #24
    Non-member Mr 5's Avatar
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    Re: tubular manifold/b.m.s d/p fitting?

    Quote Originally Posted by RICHIE View Post
    i wonnder if just another turbo flange spacer could be made just half an inch that would take it away from the manifold wouldnt it. boris how much were the flanges to have laser cut mate this would be the cheapest option
    thats what i was thinking

  25. #25
    Non-member Boris's Avatar
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    Re: tubular manifold/b.m.s d/p fitting?

    Quote Originally Posted by RICHIE View Post
    i wonnder if just another turbo flange spacer could be made just half an inch that would take it away from the manifold wouldnt it. boris how much were the flanges to have laser cut mate this would be the cheapest option
    When I had a large batch of flanges made they were about 15 each.
    I can enquire on monday about a small numer being made if required.
    Send me a pm if your intrested.

  26. #26
    Non-member RICHIE's Avatar
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    Re: tubular manifold/b.m.s d/p fitting?

    boris just a thought have you concidered making some manifolds.

  27. #27
    Non-member Duncan Grier's Avatar
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    Re: tubular manifold/b.m.s d/p fitting?

    On James 5 the ktec manifold is an earlier version and ktec modded it later on to get around the downpipe fouling issue.

    Never dented it in the end as James is going to go with another option - currently going to put his original downpipe back on for now (once the donut gasket turns up) could not stop it from leaking without

    On the ealier manifold you can get it to fit (with very very fine gap) but the angle it joins the exhaust is way off and does not seal. Also you have to loose the bracket which is really needed on the tubi mani

    Seems there are pro's and cons to tubi mani v's oe mani. I worry about lack of heat shielding on tubi - but I like to worry lol

  28. #28
    Non-member Nayls's Avatar
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    Re: tubular manifold/b.m.s d/p fitting?

    Quote Originally Posted by Duncan Grier View Post

    On the ealier manifold you can get it to fit (with very very fine gap) but the angle it joins the exhaust is way off and does not seal. Also you have to loose the bracket which is really needed on the tubi mani

    why is the bracket 'really needed' ? i've had to remove mine

  29. #29
    Non-member RICHIE's Avatar
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    Re: tubular manifold/b.m.s d/p fitting?

    Quote Originally Posted by Nayls View Post
    why is the bracket 'really needed' ? i've had to remove mine
    are you refering to the bracket that takes the weight of the turbo

  30. #30
    Non-member Nayls's Avatar
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    Re: tubular manifold/b.m.s d/p fitting?

    Quote Originally Posted by RICHIE View Post
    are you refering to the bracket that takes the weight of the turbo

    the one on the back of the block that goes between the downpipe & exhaust

  31. #31
    Non-member Duncan Grier's Avatar
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    Re: tubular manifold/b.m.s d/p fitting?

    Bracket takes the strain off the tubi manifold - big turbo and full exhaust hanging off it is never going to be a good thing -

  32. #32
    Non-member Nayls's Avatar
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    Re: tubular manifold/b.m.s d/p fitting?

    Quote Originally Posted by Duncan Grier View Post
    Bracket takes the strain off the tubi manifold - big turbo and full exhaust hanging off it is never going to be a good thing -
    yeah i suppose it aint

    mmm what to do then? it would'nt line up with it on.

  33. #33
    Non-member tubby5's Avatar
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    Re: tubular manifold/b.m.s d/p fitting?

    i had a bracket made up,it looks reall smart aswell a bit like the ones cossies have fitted i will get a pic for you

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