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  1. 06-03-2010, 12:51 #1
    dave r5
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    big problem

    hi guys

    well after 3 day of the 5 being road bound it went pop.
    i was in 5th at 5500rpm
    afr's at 12
    water temp at 70 degrees
    oil pressure at 5 bar

    and then the headgaset let go.

    uber amounts of smoke and a megga mess in the engine bay.

    found a headgasket and bolts on the shelf at wag benets so striped her down
    cleaned her up and put it back together, checked block and head every thing looked ok. so on it went

    started it up and she fired strait away and idled ok
    but ive got a very loud tapping from the top end.

    could i have bent a valve through hydrolick lock?
    why did the head gasket go?

    i only have 2 possible reasons. head lift or **** gasket

    what u rekon
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  2. 06-03-2010, 15:12 #2
    michael tierney
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    Re: big problem

    u might have bent a pushrod or theres a damaged piston u missed..do compression test
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  3. 08-03-2010, 11:39 #3
    dave r5
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    Re: big problem

    well problem solved,
    it skiped a tooth and the exhaust valves were hiting the pistons.
    so thats scrap.

    ouch

    may as wll chuck the forged pistons in
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  4. 08-03-2010, 12:21 #4
    Ricardo
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    Re: big problem

    5500rpm in 5th

    Hope you get it sorted Dave
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  5. 08-03-2010, 13:18 #5
    dave r5
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    Re: big problem

    cheers fella,

    yeah new bits are being delivered today.
    ordering rings tomorrow so hoping to have it built in 2 weeks.

    she was going damn fast aswell, pulling like a train. wont be long an shell be back.

    blocks painted already
    heads stripped and being ported tanite
    cranks going in tonight
    have a clutch and fly wheel on the shelf
    all is good in the workshop of renolvo bits haha
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  6. 08-03-2010, 13:23 #6
    Ricardo
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    Re: big problem

    Maybe i should drop a Volvo lump in the Clio I'll pop over some time to have a butchers if that's ok with you mate
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  7. 08-03-2010, 13:35 #7
    dave r5
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    Re: big problem

    yeah help yaself mate.

    allways welcome
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  8. 08-03-2010, 13:37 #8
    Ricardo
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    Re: big problem

    Quote Originally Posted by dave r5 View Post
    yeah help yaself mate.

    allways welcome


    PM me whenever you're over at the workshop
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  9. 08-03-2010, 13:46 #9
    Scoff
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    Re: big problem

    Hi Dave

    From experience those engines don't tolerate a lot of timing at WOT. Did your mapper listen for det ? If you can somehow send me your ignition map I'll compare it with some of the B18FT ones I've done.
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  10. 08-03-2010, 13:49 #10
    Sparkie
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    Re: big problem

    wouldn't have happened with a c1j



    headgasket would have gone long before that.
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  11. 08-03-2010, 18:26 #11
    dave r5
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    Re: big problem

    Quote Originally Posted by Scoff View Post
    Hi Dave

    From experience those engines don't tolerate a lot of timing at WOT. Did your mapper listen for det ? If you can somehow send me your ignition map I'll compare it with some of the B18FT ones I've done.

    i cant extract the map from my ecu on my laptop fella as its not got a serial port.
    altho i could do it on the pc at home i guess. as i have the cable

    there were no sign's of det to the pistons or the head..


    just spoke to maper on the fone he said theres not alot of ignition in it but i dont understand it any way lol
    ill see what i can do and send it over
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  12. 08-03-2010, 21:00 #12
    markey b
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    Re: big problem

    5500 in 5th is well over 70mph... may be your answer there!
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  13. 08-03-2010, 21:05 #13
    Spooky
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    Re: big problem

    ~ 110mph
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  14. 08-03-2010, 21:08 #14
    Spooky
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    Re: big problem

    Quote Originally Posted by markey b View Post
    5500 in 5th is well over 70mph... may be your answer there!
    unless the clutch is shagged...
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  15. 09-03-2010, 10:01 #15
    dave r5
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    Re: big problem

    its 104 mph in 4th at 6500 rpm
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  16. 09-03-2010, 10:18 #16
    dave r5
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    Re: big problem

    big problem part 2


    measured up my forged pistons last nite,

    realised there too big for the bore
    then realised i threw the old rings away

    prima racing can get rings but 2 weeks wait total price to bore and supply rings £200-£250

    ctm can bore and match sum rings £220 ish

    who else shal i call.

    i cant see it being track bound buy april 9th
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  17. 09-03-2010, 10:20 #17
    modfather
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    Re: big problem

    how about ktec racing
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  18. 09-03-2010, 11:38 #18
    dave r5
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    Re: big problem

    erm may b not lol

    ill stick to local engineering firms
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  19. 09-03-2010, 11:42 #19
    IANMM
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    Re: big problem

    this is who i got my rings from for my steel liners

    http://www.fpsdistribution.com/
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  20. 09-03-2010, 11:46 #20
    5teve L
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    Re: big problem

    CTM mate
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  21. 09-03-2010, 12:26 #21
    dave r5
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    Re: big problem

    yeah spoke to ctm originaly i tried big jim racing but no answer so ill try agen in a bit
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  22. 09-03-2010, 17:57 #22
    Markey Mark (BD)
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    Re: big problem

    Where did the forge pistons come from mate?

    Are they same design as the standard Volvo piston other than just abit bigger bore
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  23. 09-03-2010, 18:01 #23
    dave r5
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    Re: big problem

    i bought them from speebly mate

    but there from a prima racing engine.
    made buy arias retail at £700 ish fella.
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  24. 09-03-2010, 18:14 #24
    Markey Mark (BD)
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    Re: big problem

    Quote Originally Posted by dave r5 View Post
    i bought them from speebly mate

    but there from a prima racing engine.
    made buy arias retail at £700 ish fella.
    Ouch!

    Might keep in mind for future though but i am tempted to go slightly bigger capacity after a while if i find i need to.
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  25. 09-03-2010, 18:22 #25
    dave r5
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    Re: big problem

    same crown design

    just a difference in the skirts i beleive
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  26. 09-03-2010, 20:28 #26
    r5 rich
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    Re: big problem

    big jim racing??
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  27. 09-03-2010, 20:53 #27
    Kenobi
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    Re: big problem

    Quote Originally Posted by Markey Mark (BD) View Post
    Ouch!

    Might keep in mind for future though but i am tempted to go slightly bigger capacity after a while if i find i need to.

    I shall attempt to see what that is at trade for ya Marky.
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  28. 10-03-2010, 17:51 #28
    dave r5
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    Re: big problem

    finaly made progress

    blocks being delevired to a firm in kent on friday
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