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  1. #1
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    SUPERCHARGING T5s

    Hi Guys,
    I have just re registered to this forum after a few years away from Volvo power for our race car, but we are now considering building a new T5 race engine but probably with a Jag supercharger instead of the turbo, I guess this has been done before so any advice will be very gratefully recieved.
    Thanks in advance.
    Paul.

  2. #2
    Gearbox Killer
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    MoleT-5R's Avatar
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    Colin will be along soon, he's our supercharger expert, or have a look at his build threads http://www.vpcuk.org/forums/showthre...gined-Project)

    Current Volvo's 1995 854 Gul T-5R 1996 855 Olive T-5R 1997 855 Olive AWD 1999 V70R AWD and 2005 XC90 D5 AWD
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  3. #3
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    Not sure of any benefits of fitting a supercharger instead of a turbo to be honest.
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  4. #4
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    The thought behind it was to hopefully give a much smoother power curve, something a little different.

    What would you recommend as a good engine build for a race engine ??

  5. #5
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    Colin would (and has) put both on at the same time

  6. #6
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    That could be an option for us, just need a bit of advice from you guys on here as to which base engine to use, which internal mods etc as I know we would need to uprate rods etc.

  7. #7
    Whiny Old Git
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    claymore's Avatar
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    It depends a bit on how much power you're after I suppose. what car is it going in?
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  8. #8
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    It is going into an Autograss Special so no limit on power, within reason obviously, but we would like good power but torque is obviously a major bonus.
    We are backed by Link ECU so we can map the engine to get the best out of it.

  9. #9
    Whiny Old Git
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    claymore's Avatar
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    Ahh, ok, so there's not a space issue then. if you want more than 400 bhp then I would put some rods in a 2.3, there are gains from using a later head as I believe it flows a little better and has thinner valve stems. I still think a supercharger would be a waste of time by itself because of the parasitic losses, a good ball bearing Garrett 3076gtx would spool very quickly. there is a lot of development involved in going compound charged, it took me about two years to get the car running as I wanted it.
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  10. #10
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    Thats good to know, Which engine code 2.3 engine would you suggest to start with??

  11. #11
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    I have a spare closed deck 2001 block which needs boring and honing. You can then fit any pistons you like. The bottom end crank ladder was repaired.
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