more BOOOOST!

[JShadzi at aol.com]

Marc, glad things are coming together! =)  Nothing like a slightly laggy turbo, you get what you wait for  =)

Where's your oil cooler currently mounted?  What do you have for a radiator?

Javad

>So I've finally ironed out most of the rough spots on my 4ktq w/034efi
>and decided to put the 1.8 bar spring back in.  Holy !#$!#@$!
>
>A quick (_understatement_!) spin around the block had me wishing for a
>few thousand more RPMs.  While I certainly lost a little bit on the low
>end switching from the K24 to the k26/T4 hybrid you really stop thinking
>about the shortcomings once 3k RPMs appears and *rapidly* disappears.
>From then on the car just absolutely rips to redline begging for just a
>few more seconds at WOT.  After the obligatory shift the wastegate
>chatters away just like the trans am cars (it did this before the
>stiffer spring but now it is much more pronounced) which is certainly
>music to my ears.  I don't think I'll get tired of that noise anytime
>soon!
>
>The big Isuzu NPR diesel intercooler is doing the job wonderfully.
>Intake temps are always cool when on boost.  Funny thing is that the
>highest temps show up just after I start the car back up after a good
>run and then drop right back down as soon as I get moving.
>
>Oil temps have me a little concerned.. the day before I put the fat
>spring in I was cruising on the highway at about 85 (but not really
>pushing the car that hard) and my oil temps got as high as 150 deg C
>which is too hot for my tastes.  This probably has something to do with
>me going back to the stock hood as I never had oil temps get up that
>high when I had the vented Sport Q hood installed.  I'll also try to rig
>up some ducting to the oil cooler as it is in a pretty bad spot right
>now which certainly isn't helping.
>
>I can't wait till I get the Saab APC unit hooked up which should give me
>even more boost and the added bonus of knock detection to back down on
>the boost automatically.
>