Late bay Gti conversion

Discussion in 'Alternative engine in bus' started by illzlee, Nov 26, 2017.

  1. [​IMG]

    Used this time to play with the mount (a reversed and altered t25 diesel mount) to raise the nose by 25mm

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    Then banged/cut my head on my new towbar so went inside for a little cry


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  2. Engine and different box back in, hopefully for the last time.

    Started her up and she purred once again.

    So time to play with a scoop

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    Folded alloy will be screwed straight to radiator flanges.

    Used draught excluder strip to seal the edges

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    Fitted in place

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    Not a lot of clearance but I’m still looking at raising the van another 2”.

    Feels sturdy enough, time (and speed humps) will tell




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  3. Front view
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  4. Attempted to jack the front up a bit more to gain some clearance for the scoop.

    Have adjusted my beam up as far as I can and swapped from short shocks to standard

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    Didn’t achieve much, think the less stiff shocks have actually lowered it again...




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  5. Still, had a good outing today with the scoop fitted.

    Did a good 10 miles of dual carriageway in anger - pushing to 70 and beyond (slightly), and bearing in mind it’s 25 degrees today the water temperature sat at just over 80 degrees.

    Will be interesting to see how it operates fully laden and towing on a run


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  6. Had a week of commuting to work, including being sat in traffic for 20 minutes on the way home yesterday.

    As long as the van is moving, the scoop keeps it nice and cool (may be too cool), and only needed the fans putting on after being sat for 10 mins stationary.

    Very pleased thus far, though some rattles have appeared and the replacement gearbox synchromesh in starting to crunch slightly.
     
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  7. Just by way of an update, the van had its first major outing to busfest last weekend.

    This was a 200 mile round trip, which went very well. The van sat at 70mph most of the way the and back with temperature sat around 80.c

    The only hiccup was the stench of petrol, which is suspect is that awkward filler neck rubber that didn't quite fit on right!

    Oh and the exhaust is too loud, whilst it's a fun rumble and popping on overrun round town it got a bit boring on a 2 hour drive. Ordered a t25 petrol backbox and will see what I can do to fit that
     
  8. Kruger

    Kruger Sponsor

    Congrats on the maiden test run, how much ground clearance have you got on the rad scoop?
     
  9. not a lot!

    About 75-100mm.

    Next job is to jack the van up, or swap to cable operation to move the gear linkage and raise the radiator
     
  10. After the drone down to busfest I ordered a t25 petrol backbox and searched for a triangular Exhaust flange.

    Finally got round to chopping the existing backbox off the downpour

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    Welded the flange (badly) onto the downpipe with the backbox in place

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    Et voila!

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    The reduction in noise is immediately noticed. Sits very quietly and makes little roar when you stamp your foot.

    Should make long journeys more manageable


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  11. not driven it yet, van is SORN at present until spring so wont see any difference for a while.
     
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  12. I’ve just read this forum from the start! Hats off to you!
     
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  13. what rpm you doing at 70 please
     
  14. Hi,

    Don't know yet as not fitted my rev counter! will be done next spring
     
  15. Poptop2

    Poptop2 Administrator

    Good work and well told story. Good luck with the adventures to come in your tdi van
     
    illzlee likes this.
  16. *sigh*

    Arse in the air again for changing to the 3rd (and final) of my gearboxes after this one started whining

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  17. Engine dropped in an hour and a half, I’m getting quicker

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    Offending box out

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    Bellhousing s off ready for swapping

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    Next box all built up and filled with oil

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    Ready for refitting tomorrow


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  18. This gearbox is sound thank goodness so I tested the torque of the 8v engine with some bedroom towing

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    750kg of folding chateau was successfully dragged around the village at speed!

    You know it’s there, but on the whole happy with how it performs


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  19. theBusmonkey

    theBusmonkey Sponsor

    Gonna chuck these on here to give this lovely chap some inspiration over the Xmas period...
    Mr I is quite capable of doing an input shaft change as per earlier in the thread, but with this bay 6 rib unexpectedly revealing a limited slip diff, it means the diff has to be displaced to change the shaft.
    And of course as the engine requires a diesel bell housing, this is a late bay box retaining cable clutch but with the addition of a later diesel input shaft.
    So the donor bell housing was stripped, cleaned and rebuilt with the earlier air-cooled hardware, diff removed, cleaned and replaced with new seals and the backlash set to factory spec.
    Fingers crossed it's all good inside but for now this will get the wheels rolling:)
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