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Jimbo's 855 T-5R Project

edited April 2016 in Modern
Just thought I'd share my project with you lads :)

Started off 9 years ago as a bog standard 855 automatic with 300.000 k's on it did nothing with it for the 1st 4 years just run it as a daily drive, but then I thought I'd have a bash at making it a bit special, obviously 1st thing was a manual conversion, never done it before but being a qualified mechanic it's only nuts and bolts at the end of the day, so bought a scrap car for all the bits and mated them to a m59 I had lying around, with hindsight I should of sorted the engine at the same time but as always money and time are the issues, went though various stages of tuning 16T then 18T until a T35 garrett hybrid came up of my mates 940, obviously block needed forging so off it went to a local engine builder who bored it out to 81.4mm and fitted a set of kalmar union rods and melhe pistons, all was well until I took it to the drag strip where on its 1st run decided to chew the feek out of the m59 and blew a nice big hole in the case lol, fancied a change anyway as I found the gearing a bit long with the standard 4:00 final drive ratio so put a 4:45 final drive box in from a 2L and what a difference so much more fun to drive only problem it's now basically 1 wheel drive a problem which I will address when I can afford a quaife or gripper diff. It's taken me nearly 5 years to get to this stage and enjoyed every minute of it apart from the many times I've want to burn the bitch lol.Full thread is here hope the mods don't mind me posting the link?, 54 pages of mostly crap banter but ok for a browse if your bored at work :)

List of the mods

Forged block
81.4mm melhe pistons
3" bsr downpipe
Miltek cat back
De cat
18" pegs
Adjustable koni all round
Ebiach rear springs Apex fronts
Manual conversion with low range box
THS intercooler
Custom hard piping
3" throttle body
TurboTuner ecu live mapped
Aem digital boost and afr gauges
4" inlet cone filter
Porky 993 brakes
360bhp) / 555nm












  • Classic Car magazine shoot :)




  • RobRob @Rob - Lockyer Valley, SE Qld
  • jamesincJames @jamesinc Oz Volvo Ice Fortress
    Mmm nice pipework
  • Mmm nice pipework

    Gave them (Radtec) these mock ups which I used to run the engine in


    And they copied them exactly even with 3" at the throttle body end all for 150 pounds :)

  • They really come in useful and never blown one off even with the 2 bar of boost I'm running :)
  • AshDVSAsh @AshDVS - Geelong, VIC
    Looks great and it's great that you've done a lot of it yourself too. Certainly not the typical bolt-on-build that you can come across on some of the other Volvo forums too. :)
  • Looks cool and also liking the custom stuff.
  • Well another drag meet and i kill another box, last year my m59 spat it's internals out this.year it was a m56L, so out it comes again this time fitting back in with a.gripper or quafie diff wasn't planning on this till the end of the year but hey ho it's only more money lol

  • RobRob @Rob - Lockyer Valley, SE Qld
  • Rob @Rob wrote: »

    Yep that's what my mate said and a.few other choice words as bits of my casing flew out from under my car into his 404bhp C70 :)
  • Ex850RSnoopy @Ex850R Somewhere Over the Rainbow. Melbourne.
    Only cos you were in front of him! All that power is wasted , he now knows this......
  • Only cos you were in front of him! All that power is wasted , he now knows this......

    Yep and.he's an long time racing partner we are both after the UK forum record which is 13.2, I'm no where near at 14.05 but on the run I bust the box on i got a 2.2 60 foot fasted ever had so would of been in the 13's somewhere but will be back with another 4:45 final drive box but with a quaife fitted :) hopefully within 3 weeks
  • Ex850RSnoopy @Ex850R Somewhere Over the Rainbow. Melbourne.
    You need the best LSD you can get in there , I wasn't impressed with the 850R one at all .
    I think AWD is your only option......
  • RobRob @Rob - Lockyer Valley, SE Qld
    AWD =P~
  • You need the best LSD you can get in there , I wasn't impressed with the 850R one at all .
    I think AWD is your only option......

    No I wasn't impressed with the m59 either bust one of them last year, going.for a quaife
  • My wallet is lighter.......



    Hopefully get it mated to a new box this week.
  • RobRob @Rob - Lockyer Valley, SE Qld
    must be quite a bit lighter.
  • Rob @Rob wrote: »
    must be quite a bit lighter.

    Lol yes about 750 pounds, plus I.had to get another box this time a 4:25 final drive that wasn't to bad at 100, plus I'm moving house today big week of expenditure

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