Engine Drivetrain 1st Gen Cooper S Most liked posts in thread: Help with boost numbers

:cornut: You're quite welcome and mum's the word but you've forgotten 2 other possible Black Mail facts against one or both of us.

1. I have a (dastardly) Alta:eek6::blush2: turbo intercooler air diverter(works great, fits great, keeps temps way down when Margi is moving). DaveO could get us kicked out for that.:wink:

2. You fly the USMC Force Recon babge(at least your small avitar looks like the avitar of a Force Recon guy that we have around here). This means that you're probably Force Recon qualified and (Holy Cow Dare I Say) you just took advice from an old Army SF Green Beret:eek6::wink:. This could get us thrown out of most bars that come to mind.

Jason (SFQC #3-[19]73 Ft Bragg, NC)

 

:cornut: Thank You. Once again it seems that I only open my mouth to change feet. Thank you for your kind words. It was Grand High Adventure such that I wouldn't trade it for any thing. If I embarassed you then I most humbly apologize. They who keep the 'Home Front' running, serve also!


Jason

 

:cornut: Forgive my being merely a 'turbo Prince' man(actually 08 BRG R56 MCS/JCWm) but here's what I know. Most 'super Pentagon/Tritec' types up grade their intercoolers to the JCW/GP type, get intercooler air diverters, or they switch to front mounted intercoolers(FMIC). My Margi, with FMIC stock and an Alta intercooler air diverter cruising at 70mph, runs the following temps: 3f above ambient/ambient below 40f, 8f above ambient/ambient 40f-95f ambient, 10f above ambient/ambient above 95f. This is with standard MINI antifreeze/water/WaterWetter mix(don't know why I included this but there it is). Now when rapid accelleration to pass is required, the air intake temp rises to 20f above ambient then rapidly retuns to previous temp when coming back to cruise.
Your 'boost level' sounds great.

Jason (I hope this helps

 

Unfortunately I Cannot speak for the boost, but I can chime in on the IAT. On my R56 with a Forge intercooler I was seeing about the same 136F temps. With the addition of Water/Meth I am now seeing about 10 above ambient at redline on a hot car. The highest I have seen is 96 Degrees on the track. While cruising if you pass then cruise you will see between -1 and -5 BELOW ambient. Highly Highly Highly recommend W/M.

-Brian

 

I have a 17% pulley and exhaust also with stock IC. I make around 16# at WOT just below readline. To fully utilize a 17 or 19 pulley and if you push the car hard regularly, you should get a bigger intercooler to help with the heat of pushing the eaton to its limits. Also water meth and a proper tune would make a world of difference in temps. The bypass valve could be suspect also in some boost loss.