B5244T5 (T5 engine) To shim or not to shim?
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    1. #1
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      B5244T5 (T5 engine) To shim or not to shim?

      Looking for some feedback here. I've got the B5244T5 (2.4L T5 engine) going into the VR, but is it totally necessary to shim or strong enough as is?

      I'm going to be running the IPD 4T4 turbo, full bolt ons and meth. Don't want to pull it apart if it's strong enough already.
      04 V70R Flash Green/Atacama6MT

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    3. #2
      Junior Member stomish's Avatar
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      Iíve been told you donít *need* to, but itís definitely worth doing while youíre in there.


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    4. #3
      Senior Member ScottishBrick's Avatar
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      B5244T5 (T5 engine) To shim or not to shim?

      No. Pointless. 81mm bore is more than strong enough and thereís no reason to split the block.


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      Last edited by ScottishBrick; 01-14-2020 at 04:18 PM.
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    6. #4
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      I have no idea, but I definitely want a ride once itís done!


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    7. #5
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      Quote Originally Posted by Ihatespeedbumps View Post
      Looking for some feedback here. I've got the B5244T5 (2.4L T5 engine) going into the VR, but is it totally necessary to shim or strong enough as is?

      I'm going to be running the IPD 4T4 turbo, full bolt ons and meth. Don't want to pull it apart if it's strong enough already.

      it's not pointless as some that never pushed high hp out of their 81mm bores are so quick to give advice...even with 400 at wheels you will see distortion between the sleeves in a 81mm bore so at 600 at the wheels i would not chance it but yes it is almost unheard of to crack them vs. 83mm bore...if you have the head off = yes , if not = i would not shim for less than 500 and more than 500 i would remove the head.
      Last edited by dougy; 01-14-2020 at 09:58 PM.
      2006 S60R 2.4 T5 mostly stock fine tuned by https://urbastuning.wordpress.com
      ipd = sways, inter-cooler, inlet/TB/OTE silicone piping, cat back exhaust, rear camber bushings, sub-frame inserts,
      Originally Posted by John C "We are in the presence of greatness! "

    8. #6
      Member HunterBD's Avatar
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      I was waiting for dougy to chime in. He would know. I can see where it is beneficial to shimming the block in high output engine builds. IMO if I had the head off I would shim it for future possible power, even if I had 400hp. Once you start adding power you may want more power...then you have to start all over again.


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    9. #7
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      Quote Originally Posted by tshiv View Post
      I have no idea, but I definitely want a ride once itís done!


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      Of course!

      Quote Originally Posted by dougy View Post
      it's not pointless as some that never pushed high hp out of their 81mm bores are so quick to give advice...even with 400 at wheels you will see distortion between the sleeves in a 81mm bore so at 600 at the wheels i would not chance it but yes it is almost unheard of to crack them vs. 83mm bore...if you have the head off = yes , if not = i would not shim for less than 500 and more than 500 i would remove the head.
      Realistically I'm never going to go larger than the 4T4 turbo which isn't going to make more than 500HP. We can't all be like you changing turbo setups like underwear

      Asking the question because I want a very reliable setup, but I'm also balancing my procrastination level. I've had this B5244T5 on the engine stand for almost 2 years.
      04 V70R Flash Green/Atacama6MT

    10. #8
      Junior Member Saffron-R's Avatar
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      I cracked a sleeve on a built but un-shimmed B5244T5 with that 4T4 turbo. Literally, THAT turbo ( I sold this to you).

      Absolutely, unequivocally, shim the block with any larger-than-stock frame turbo, or even a hybrid K24 for that matter. Especially if you have the motor on a stand.

      I speak from experience. I am currently on engine #5. Iíve had MTE/ipd tunes, and more recently running VAST tunes on my built Ď98 V70R.

      Best of luck, and youíre going to love the 4T4. I did.
      1998 V70R, M58 AWD manual, Built B5244T5 (Wiseco 81.5, RSI Rods), Garrett GTX3071R gen 2 .82ar (IWG), VAST custom tubular exhaust manifold and downpipe, Sachs 707pp/ R clutch,VAST COP E85 tune with dual VVT control, 3.25Ē ID MAF housing and custom intake, na TB, DW300, DW 950ccís, ipd diverter, ipd intercooler, DO88 aluminum radiator, Magnaflow exhaust, Kaplhenke dbl adjustable front&rear coilovers, Kaplehenke delrin subframe bushings, ipd sways/strut brace, Porsche BBK front, rear '00 VR rotors/calipers, 17Ē BBS RGRís, Jewels.
      485awhp, 598awtq on Mustang dyno

    11. #9
      Member IwantaS60R's Avatar
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      Quote Originally Posted by Saffron-R View Post
      I cracked a sleeve on a built but un-shimmed B5244T5 with that 4T4 turbo. Literally, THAT turbo ( I sold this to you).

      Absolutely, unequivocally, shim the block with any larger-than-stock frame turbo, or even a hybrid K24 for that matter. Especially if you have the motor on a stand.

      I speak from experience. I am currently on engine #5. Iíve had MTE/ipd tunes, and more recently running VAST tunes on my built Ď98 V70R.

      Best of luck, and youíre going to love the 4T4. I did.
      Hey Saffron-R, quick question....how much kg/h were you able to flow through that 4T4? I've never seen actual kg/h numbers for that turbo.

      TIA
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    12. #10
      Junior Member Saffron-R's Avatar
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      Quote Originally Posted by IwantaS60R View Post
      Hey Saffron-R, quick question....how much kg/h were you able to flow through that 4T4? I've never seen actual kg/h numbers for that turbo.

      TIA
      Oof, I used to know that information off the top of my head. I think I have the numbers in an email thread with my tuner, Iíll see if I can dig it up later. I know itís not much more that a K24, however. Despite the rather disappointing flow rate, the turbo is a real nice improvement over K24- only slightly laggier and so much more usable power over the RPM range- particularly up top. Great turbo, and unlike the hybrid K24ís out there that have simply been machined to accept larger wheels, this 4T4 is cast and much more robust- should have better long term durability. PM me with any other questions so we donít muddy this thread.
      1998 V70R, M58 AWD manual, Built B5244T5 (Wiseco 81.5, RSI Rods), Garrett GTX3071R gen 2 .82ar (IWG), VAST custom tubular exhaust manifold and downpipe, Sachs 707pp/ R clutch,VAST COP E85 tune with dual VVT control, 3.25Ē ID MAF housing and custom intake, na TB, DW300, DW 950ccís, ipd diverter, ipd intercooler, DO88 aluminum radiator, Magnaflow exhaust, Kaplhenke dbl adjustable front&rear coilovers, Kaplehenke delrin subframe bushings, ipd sways/strut brace, Porsche BBK front, rear '00 VR rotors/calipers, 17Ē BBS RGRís, Jewels.
      485awhp, 598awtq on Mustang dyno

    13. #11
      Member IwantaS60R's Avatar
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      Quote Originally Posted by Saffron-R View Post
      Oof, I used to know that information off the top of my head. I think I have the numbers in an email thread with my tuner, Iíll see if I can dig it up later. I know itís not much more that a K24, however. Despite the rather disappointing flow rate, the turbo is a real nice improvement over K24- only slightly laggier and so much more usable power over the RPM range- particularly up top. Great turbo, and unlike the hybrid K24ís out there that have simply been machined to accept larger wheels, this 4T4 is cast and much more robust- should have better long term durability. PM me with any other questions so we donít muddy this thread.
      thanks for the reply man .....to keep it on topic, I would also recommend shimming the motor especially given you have it out of the car.
      HERS - 2007 XC90 3.2
      MINE - 2004 S60R : List of modifications - PhMIC, EST grille, K&N filter w/velocity stack, Eibach springs, iPd rear camber bushings, ELEVATE front and rear sways, Powerflex front LCA bushings, superflex rear LCA bushings, Turbo back exhaust, Aquamist, TWM short shifter, TWM shift knob (Big Type R), Black Forgestar F14 18x8.5 wheels, roof spoiler

    14. #12
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      Quote Originally Posted by Saffron-R View Post
      I cracked a sleeve on a built but un-shimmed B5244T5 with that 4T4 turbo. Literally, THAT turbo ( I sold this to you).

      Absolutely, unequivocally, shim the block with any larger-than-stock frame turbo, or even a hybrid K24 for that matter. Especially if you have the motor on a stand.

      I speak from experience. I am currently on engine #5. Iíve had MTE/ipd tunes, and more recently running VAST tunes on my built Ď98 V70R.

      Best of luck, and youíre going to love the 4T4. I did.
      If you cracked 81 mm bore under 500 horsepower to Wheels your tuning was not right is why and also if you going to make statements/claim you crack 81mm, show documentation/ pictures to support your statement...and if it was built and you did not shim it well that's just dumb cuz you were there
      2006 S60R 2.4 T5 mostly stock fine tuned by https://urbastuning.wordpress.com
      ipd = sways, inter-cooler, inlet/TB/OTE silicone piping, cat back exhaust, rear camber bushings, sub-frame inserts,
      Originally Posted by John C "We are in the presence of greatness! "

    15. #13
      Junior Member Saffron-R's Avatar
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      Quote Originally Posted by dougy View Post
      If you cracked 81 mm bore under 500 horsepower to Wheels your tuning was not right is why and also if you going to make statements/claim you crack 81mm, show documentation/ pictures to support your statement...and if it was built and you did not shim it well that's just dumb cuz you were there
      Sorry, no pictures, just a hole in my bank account to prove it. Maybe a tuning problem, which is why I donít let Marco (MTE/ iPd) tune my car anymore. MTE tunes fragged 3 of my motors. This is why Iíve been with VAST.

      Agreed, dumb to have not shimmed the block when I was in there. Live and learn, and precisely why I chose to participate in this thread and imparting my experiences.

      I hope youíre doing super, Dougy, and happy new year. Thanks for giving me guff, always appreciated.
      1998 V70R, M58 AWD manual, Built B5244T5 (Wiseco 81.5, RSI Rods), Garrett GTX3071R gen 2 .82ar (IWG), VAST custom tubular exhaust manifold and downpipe, Sachs 707pp/ R clutch,VAST COP E85 tune with dual VVT control, 3.25Ē ID MAF housing and custom intake, na TB, DW300, DW 950ccís, ipd diverter, ipd intercooler, DO88 aluminum radiator, Magnaflow exhaust, Kaplhenke dbl adjustable front&rear coilovers, Kaplehenke delrin subframe bushings, ipd sways/strut brace, Porsche BBK front, rear '00 VR rotors/calipers, 17Ē BBS RGRís, Jewels.
      485awhp, 598awtq on Mustang dyno

    16. #14
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      Quote Originally Posted by Saffron-R View Post
      Sorry, no pictures, just a hole in my bank account to prove it. Maybe a tuning problem, which is why I donít let Marco (MTE/ iPd) tune my car anymore. MTE tunes fragged 3 of my motors. This is why Iíve been with VAST.

      Agreed, dumb to have not shimmed the block when I was in there. Live and learn, and precisely why I chose to participate in this thread and imparting my experiences.

      I hope youíre doing super, Dougy, and happy new year. Thanks for giving me guff, always appreciated.
      Aaron is the man! you are in good hands...im 99% sure whatever happened to it was improper tuning.

      happy new year to you saffron and sorry if i've been hard on you here and there.
      2006 S60R 2.4 T5 mostly stock fine tuned by https://urbastuning.wordpress.com
      ipd = sways, inter-cooler, inlet/TB/OTE silicone piping, cat back exhaust, rear camber bushings, sub-frame inserts,
      Originally Posted by John C "We are in the presence of greatness! "

    17. #15
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      Thanks for the responses guys, I think I'm going to go the shim route.
      04 V70R Flash Green/Atacama6MT

    18. #16
      Member CapeMayXC70's Avatar
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      I would listen and takes Doug's advise
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    19. #17
      Member HunterBD's Avatar
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      Quote Originally Posted by Ihatespeedbumps View Post
      Thanks for the responses guys, I think I'm going to go the shim route.
      agree. Do it right the first time.


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    20. #18
      Senior Member JaredR's Avatar
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      The failure is in tension not compression..........
      Last edited by JaredR; Yesterday at 06:35 PM.
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