R50/R53 :: Hatch Talk (2002-2006) Cooper (R50) and Cooper S (R53) hatchback discussion.

R50/53 Engine swap

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  #1  
Old 10-26-2023 | 07:00 PM
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jk6672
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Engine swap

I just swapped out my engine for an RMW 1.8 stroker, upgraded the clutch from my southbend to an OS Giken twin plate, and the Quaife LSD to the OS Giken.
it’s not the same car anymore. Gobbs of power on E85.
 
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ghostwrench (10-28-2023), Onizukachan (10-26-2023)
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Old 10-28-2023 | 02:14 PM
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From: Phoenix, AZ
I LOVE the smell of E85 exhaust!
 
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Old 10-28-2023 | 02:24 PM
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jk6672
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Originally Posted by ghostwrench
I LOVE the smell of E85 exhaust!
lol, at first I thought I had a coolant leak getting cooked 😄
 
  #4  
Old 10-28-2023 | 03:15 PM
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You will get sort of harassed if you get pulled over in the sense of them asking if you have been drinking. Between my meth and e85 I get asked all the time and always tell them its the 855 and offer a sobriety test lol. Fwiw even with the Driven Dt40 oil I had valve stem seals dry up on me. Rmw head of course. Just par for the course. That being said I did let it sit one winter without changing the oil so do keep that in mind that its possible this could happen to you after a few seasons as well. Not a big deal and I expected as much tbh. Dynoed yet? Tvs right?
 
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Old 10-28-2023 | 03:50 PM
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jk6672
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Yes, I have the tvs too. I need to swap my power flex bushings to the offset control arm bushings and ball joints and get an alignment. I was recommended West End Alignment in Huntington Beach.
what oil are you running? I was using Amsoil with the previous engine, but was told I needed to run something better with using E85.






 
  #6  
Old 10-28-2023 | 04:06 PM
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the dt40 helps with frothing from the e85 contaimition. I just had some valve seals dry up after about 20k of e85 use but again I should have flushed it that one winter it was stored but it could have happened regardless. No idea what seals were used or if they were e85 resistant or not etc. Cant trust the source either as he wouldnt tell you one way or another. That being said dt40 will also cause with long term use cat degradation. Make sure to get the vibratech lower for sure to save the flex basket on the rmw header.

What fuel lines did you use or did Jan supply them? Also fwiw I had the kenne belle BAP catch fire as well after a year of driving the dw65 to hard. I ended up dropping a dw400 and custom venturi setup in to ditch the bap. Watch your left handers while gunning it below half tank as even the dw65 will suck the basket dry under wot in about 3 seconds with e85 and cant refil fast enough when the tank level hits a certain threshold. Ideally a surge tank or a diesel tank should be used as its not a saddle.
 
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Old 10-28-2023 | 05:45 PM
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I have the lower vibratech already and Janninstalled the E85 kit with the DW65v fuel pump and 1000cc injectors.
 
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