You say your turbo can efficiently boost up to 40psi. You have a map for me to look at? Thanks!
You missed the "s" in turbos 
K14/K24 compound
http://farm6.static.flickr.com/5123/5282317542_73497dd6cb_z.jpg
And keaton, that CO2 charge air cooler is actually a pretty sweet idea, could possibly work quite well!
have you dynoed your car yet? i remember following your build thread on either this site or another one ...i dont remember...
build thread link?
dyno vid/street vid links?
Car hasn't been dyno'd yet. I've been too busy to get much work done on it lately and I'm chasing electrical gremlins right now. I'll be switching from my cheap break in oil to synthetic soon, then I need to fab up some IC plumbing and mess with my pump, then videos and dyno will follow
Here's the build thread -
http://www.vwdiesel.net/forum/index.php?topic=27225.0Any more opinions on propane injection though?
This got a little bit sidetracked
Propane is a horrible cost=power=efficiency ratio compared to water/meth and nitrous. To efficiently get more fuel, turn the screw or get a Giles pump. Don't want the low boost fueling? Install a valet switch inline to the LDA air inlet. Turn it on for 0-2lbs of boost entering diaphragm, or off to allow full fueling.
Nobody in the competition diesel truck world even thinks of propane. Heck, the only people using it are long haul mileage record breakers in the truck world replacing diesel once at desired speed with propane. They literally have the fueling down so low that the primary fuel is propane/natural gas. The only way they are doing this effectively is for the ones with ECM control of the injection pump/quantity.
Too much fuel resulting in high EGTs? Water injection, with a bit of meth for an added boost.
A lot of fuel and not enough turbo? Nitrous hand down.
You say your turbo can efficiently boost up to 40psi. You have a map for me to look at? Thanks!
idk why everyone trys to compare propane to nitrous. they are 2 different things.. propane is a fuel, nitrous is an oxidizer.. 2 completely different things, and they have different functions..
if you fog a small amount of nitrous in the intake, you will not see the mileage gains you would from propane/CNG..
and if you fog propane in there, it makes your EGTs go up quite a bit. nitrous makes them go down.