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M.H.

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Posts posted by M.H.

  1. It's a v57 block which apparently has thick walls. But has not.

    The taller deck gives more room for more stroke from am offset ground crank.

    Obviously only worth it if you can also go to 89mm or more bore

    Taller deck also means better rod stroke ratio

    • Like 2
  2. front mount intercooler one = 4jh1. that's a couple of generations back. most of everything is the same. engine a little different.

    they're nowhere near as grunty but still hold their own.

    the 4jh1 powered ones often go a bit gutless/unresponsive as they age. Not quite sure why. My old one wa a slug even after new MAF and all sorts of bits. We have 3 at work still. one is auto and goes like fuck all the time. the two manual ones are slugs when cold but get better as they heat up etc. blardy semi efi dieselz

    but yeah they're still solid utes. I'd buy one.

    The 4jh1 has the horrible vp44 injector pump. Rip it off and replace it with a mechanical pump from a 4jb1t, from there tuning is simplified significantly.

    • Like 1
  3. Where are ya?

    Also be very careful when pulling the injector out that you are actually undoing the entire injector and not just unscrewing the top half from the bottom half of the injector. (they are a serviceable item)

    If you separate them then it is a specialist job to rebuild them - very high spring pressures and set up with shims - not a back yard job at all.

    They come apart like this - you DO NOT want to do this.

    mercedesnozzleinstall37.JPG

    They don't screw in. They are held down. Best to try and get it out with the engine warm. Just use a spanner on tge flats if it to work it back and forth and the pull it out. It will take a bit of effort

  4. Just been down to steel and tube. Bought 2 of the combi bends for 85 each and a 5.5m length of tube for $105 had picked up a x pipe a while ago. Starts adding up quite quickly

    • Like 1
  5. I need to make an exhaust for my audi. It originally had a 20v turbo 5cyl and now has a 4.2 40v v8. The original exhaust is a twin pipe 2.25 inch. Im wanting to make it 2.5 inch. Does anyone have any recommendations for a twin inlet and outlet mufflers?

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