Drivetrain (Cooper S) MINI Cooper S (R53) intakes, exhausts, pulleys, headers, throttle bodies, and any other modifications to the Cooper S drivetrain.

Drivetrain Blew motor up!!! AGAIN!!!

Old Jan 23, 2008 | 12:54 PM
  #76  
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If it is #4 all of the time... could this be a defect? Recall?
 
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Old Jan 23, 2008 | 01:02 PM
  #77  
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I dont think its a design flaw. I think its just the piston that get the hotest first when running lean.
 
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Old Jan 23, 2008 | 01:05 PM
  #78  
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Ahh, Thanks.
 
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Old Jan 23, 2008 | 01:12 PM
  #79  
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Plus there typically aren't recalls when stock cars are okay and modified cars are breaking

It is always good to have people pushing the envelope, though. I'll let you guys find the limits, then pick a safe spot short of them for my upgrades.

I can't afford the trial and error part
 
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Old Jan 23, 2008 | 01:17 PM
  #80  
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the number 4 piston is at the end of the cooling cycle. so it gets the hottest.
 
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Old Jan 23, 2008 | 01:22 PM
  #81  
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Originally Posted by mikeg4572
I dont think its a design flaw. I think its just the piston that get the hotest first when running lean.
on the R53 #1 is the hottest... the water pump enters right at #4

however, # 4 is also the end of the injector rail... so that could be an issue as well... but I doubt it since I am running stock fuel sys other than my injectors.

from what Mario said "the motor locked up" I would think something to do with oil, or lack there of
 

Last edited by Tüls; Jan 23, 2008 at 01:25 PM.
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Old Jan 23, 2008 | 01:33 PM
  #82  
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Lol...I knew it was one of the 4
 
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Old Jan 23, 2008 | 02:02 PM
  #83  
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LOL nice...
 
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Old Jan 23, 2008 | 03:34 PM
  #84  
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How has your beast been running Tuls?
 
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Old Jan 23, 2008 | 03:37 PM
  #85  
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Originally Posted by 002
Same thing here, #4 ringlands broken. I'm curious about what happened this time. Was it #4 on mario's car last time? I would like to know if it is always #4. Maybe time for a poll, for those that can set one up.

Maybe time to get myself to a dyno for a check up too.
I received a call from Mini Corsa and I guess I blew up all 4 of the rod bearings, from a lack of oil. The oil pump must have died causing the bearings to get WAY too hot and seize. Danny is sending everything out to see what can be saved; like crank, JE pistons, rods etc. If I keep my car I'm going to add an oil pressure gauge so I can keep an eye on everything. Thinking back I did hear a low bass like creaking noise before the motor blew.
I do know for a fact my air/fuels were right on because of my air/fuel gauges and my car was just dyno'd a week before that. At 7300rpm I'm in the 11's, which seems to be very safe.
I should know more by the end of the week.
Mario
 
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Old Jan 23, 2008 | 03:41 PM
  #86  
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no oil = bad for any motor.
 
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Old Jan 23, 2008 | 03:59 PM
  #87  
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too bad these babies didnt have a pressure kill switch controlled in conjunction with rpm . say at idle you're at say ... 15lbs. this is fine for idle but lets say you're at 3000 rpms ; i'd want that same 15lbs to kill the engine . anybody make such an animal?
 

Last edited by herbie hind; Jan 23, 2008 at 03:59 PM. Reason: change
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Old Jan 23, 2008 | 04:19 PM
  #88  
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Oil is an issue with our cars during heavy cornering. There has been a few blown engines because of this.

Shocking but Jan just made a new oil pan that keeps the oil flowing during heavy cornering. I had a pic but can't find it. The thing is it may not break during your track or canyon run but each time you go out and push your high HP/RPM mini you "may" be doing damage that could cause failure when you least expect it.

Maybe when Jan gets back he will be willing to talk about it. I think they are close to being able to produce production units.

Longboard
 
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Old Jan 23, 2008 | 04:41 PM
  #89  
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Madness did (does?) make a baffled oil pan.

- Matt
 
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Old Jan 23, 2008 | 04:42 PM
  #90  
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Originally Posted by ChrisMCS04
How has your beast been running Tuls?
silly... being that I am not a sea level.. and the temps have been cool lately... a few times I have spiked 35+ lbs of boost... I need better tires.... with the FMIC and 35 lbs... I am curious what HP I am gaining...
 

Last edited by Tüls; Jan 23, 2008 at 04:45 PM.
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Old Jan 23, 2008 | 09:00 PM
  #91  
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The oil pressure gauge is a good idea.
 
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Old Jan 23, 2008 | 11:37 PM
  #92  
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Originally Posted by Tüls
silly... being that I am not a sea level.. and the temps have been cool lately... a few times I have spiked 35+ lbs of boost... I need better tires.... with the FMIC and 35 lbs... I am curious what HP I am gaining...
Sweet!!!
Sorry to get off track guys...
 
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Old Jan 24, 2008 | 01:49 AM
  #93  
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Originally Posted by Longboard Mini
Oil is an issue with our cars during heavy cornering. There has been a few blown engines because of this.

Shocking but Jan just made a new oil pan that keeps the oil flowing during heavy cornering. I had a pic but can't find it. The thing is it may not break during your track or canyon run but each time you go out and push your high HP/RPM mini you "may" be doing damage that could cause failure when you least expect it.

Maybe when Jan gets back he will be willing to talk about it. I think they are close to being able to produce production units.

Longboard

wow... i have never heard of that happening on a MINI. The dealership built about 12 race cars and some have even competed in grand am... (all with stock oilpans) and never had an issue with oil starvation... sounds like a great theory... but haven't experianced it ever... with about 12 cars and 30K+ race only miles
 
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Old Jan 24, 2008 | 02:12 AM
  #94  
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What hapen to CASTROL SINTEX it dint work..
 
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Old Jan 24, 2008 | 05:40 AM
  #95  
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Originally Posted by isellem
wow... i have never heard of that happening on a MINI. The dealership built about 12 race cars and some have even competed in grand am... (all with stock oilpans) and never had an issue with oil starvation... sounds like a great theory... but haven't experianced it ever... with about 12 cars and 30K+ race only miles
I think it's a combination of low oil and hard cornering, not hard cornering alone
 
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Old Jan 24, 2008 | 06:08 AM
  #96  
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It would really be cool to see 4 o2 sensors, one for each cylinder to show the programming effects on the individual cylinder instead of a blended figure that the single o2 sensor sees. THen you could have slightly seperate maps for each cylinder or correct/port match so that you wouldn't have one cylinder run leaner than the other and risk damage....

Chad
 
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Old Jan 24, 2008 | 06:26 AM
  #97  
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Originally Posted by isellem
wow... i have never heard of that happening on a MINI. The dealership built about 12 race cars and some have even competed in grand am... (all with stock oilpans) and never had an issue with oil starvation... sounds like a great theory... but haven't experianced it ever... with about 12 cars and 30K+ race only miles

don't those grand am cars make about 180whp?
 
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Old Jan 24, 2008 | 06:46 AM
  #98  
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Originally Posted by isellem
wow... i have never heard of that happening on a MINI. The dealership built about 12 race cars and some have even competed in grand am... (all with stock oilpans) and never had an issue with oil starvation... sounds like a great theory... but haven't experianced it ever... with about 12 cars and 30K+ race only miles
Hey J...my VW (my old 1.8T not the Touareg) always oil-starved in hard corners. Had to throw a baffled oil pan in there. Also, I know my 3-series does it too. Not, surprised if the Mini does it. Nothing surprises me ever since my moonroof blew out in the Mini....
 
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Old Jan 24, 2008 | 01:45 PM
  #99  
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I had a 1987 E30 M3. One of the first mods recommended for this vehicle to install a $50 oil pan baffle. The very expensive engines were prone to burning out the #3 rod bearing due to oil starvation in cornering. The Factory never did anything about this well know issue as far as I know.

I believe Jan is working on a similar easy to install fix. Jan recommends running extra oil in the sump (1/2 qt.). He says that the crank does not splash it so it is ok. I hope I got this right Jan.

Has anyone installed an Accusump system to avoid momentary low oil pressure situations?
 
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Old Jan 24, 2008 | 01:48 PM
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Originally Posted by chadtoolio
It would really be cool to see 4 o2 sensors, one for each cylinder to show the programming effects on the individual cylinder instead of a blended figure that the single o2 sensor sees. THen you could have slightly seperate maps for each cylinder or correct/port match so that you wouldn't have one cylinder run leaner than the other and risk damage....

Chad
i would've liked a more central design to the intake . it seems all from one end for air is crap. if it were a v then who cares it'd be devided at least . who knows .
 
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