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Andrew Gilbert

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Posts posted by Andrew Gilbert

  1. thanks Roger, oddly enough I was reading another post where you mention the same so I'll pull the jets and see whats in at present.

    Yes, these 45's are from 1992 so 3 prog holes I think, but I wouldn't want to drill a 4th (or 5th) as per the newer DCOE's, So its possibly a toss up between a new set and set up or going to TB's and set up. If so then this may have to wait a while I think as funds will have to be deviated to elsewhere.

     

  2. I have a HPC c20xe on 45's, been set up nice but there's an issue.

    Light throttle in any gear results in spitting back through the carb, a bit more throttle its fine, on track its fine, full throttle its fine.

    Carbs have been rejetted, chokes replaced, rolling road dynoed and set up but low revs on the road in traffic can be a pain. New misabs and the things are not tight the manifold.

    I don't know what I'm looking at, and although I have a set of TB's to go on I'd like to retain the carbs if I can.

    Thoughts?

  3. The 7 degree manifold is used when the engine is canted over (so not upright) and this allows the carbs to be level (I suppose!)

    I can ask on a facebook page I run for these cars to see if there's a caterham manifold lying about for you if you're not a FB user? Someone will have one I'm sure.

    Failing that there is this one > https://www.ebay.co.uk/itm/Xe-Vauxhall-Inlet-Manifold-Weber-Kitcar/184473509843?hash=item2af37a5fd3:g:BsQAAOSwgKNfb5bG

     

  4. Hi, yes mine is on standard CC mounts and it does have a nose down type of install, the timing cover just about clears the upper line of the nose cone. Filters are more of less inline with the chassis tube and the filters are std KN items as fitted when new. Hard to see but hopefully this shows their relationship, the rear filter is slightly higher than the front 

    IMG_20200307_154429red_0.jpg.97898896d52859e7dbc20a718607141f.jpg

  5. Paul, you would have thought so.

    Mine is a VX race car that wasn't used in anger but was a Palmer motorsports car, and it has the caterham dry sump (bell housing tank), it did have 48's at one point in its life but they were changed for 45's and in my ownership we've changed those chokes to improve its road manners.

    When I'm next with my car I'll grab a photo of mine to see what differences there are.

    I'm thinking of going heritage bodies or direct to head TB's so the carbs etc will be redundant which is a shame.

  6. Hi, where did you find an ex race 16v VX? Great to see one coming back together.

    I was told they did re-engineer the manifold to improve flow for the 48's but I'm also told that the 45 and 48 share the same inlet manifold.

    Can I ask, are you sure you have the right engine mounts or that the inlet side is correctly fitted?

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