btw whats the max the stock MAP wil register with the comp, cause I've logged my car and it peaks at 22.34 psi (I'm hoping I'm not pushing it higher than that) also blew a coupler apart this morning... damnit

 

i believe 23 or 24 and mine hits it at 6200

 

ya know. i saw this comming. so did someone else.


witt. you get my pm yesterday?

 

Somewhere around 23 psi should be 5v on the MAP iirc.

 

The car is absolutely a different car now.

 

Yeah, I have to dig up some parts and see what is usable and what isn't for ya.

 

Little more detail on that?

 

It makes my 2.5 pullied setup seem like it was stock

 

nice man

 

That's what I like to hear.

 

Just a little FYI for those on stock engines. I only ran the car for about 15 minutes after installing it but with the 3.34" (85mm) pulley, it seems to make about as much boost as the 2.8" M62 did assuming my boost gauge is somewhat correct. I have no data to compare yet as I had other things I had to do last night afterwards, I'll have something for you guys today though.

 

^sweet.

 

my boost gauge just sits at 20 pretty much

 

The MAP is a 2.5 bar gauge, or 3.5 bar absolute, so.. ~36psi is the max of the sensor...
What the ECU reads to... I have no clue.

http://www.bosch.com.au/content/lang...d_Function.pdf

 

yeah 36.80 according to a few pulls

 

36.80 psi?

 

yeah the map also takes atomspheric pressure 14.7 in to it

 

If you have the latest version of HPTuners they fixed the MAP scaling after a year of nagging them about it. Stock MAP should show 270.59kpa at 5v. Comes out to about 24.5psi when the over voltage code should trip.

 

Good deal.
270.6kpa sounds about right, considering the overshoot that Bosch allows for...

 

******* christ this thing is pushing 36psi

 

Anybody have specs on the stock supercharger mounting bolts? (thread pitch, length, diameter?)

 

**** I had em in my car yesterday, but I think they are 10mmx1.5x2.5" under head or something close to that

 

the only time i hit 20 psi was when it was 5 degree's out with a 2.7

yikes.

i knew i should have jumped on this in the begining

 

check the 2.4 s/c how to thread--listed there

 

damn makes me wish I was still s/c'd... oh well maybe I'll swap btwn for street an track lol