2 days ago when it was about 50-65 degrees out i was gettin a little over 15 psi...but last night i was gettin close to 19 psi cause it was like 27 degrees out...

 

colder air = better air.

 

yea but i posted a thread kinda like this awhile and people were saying i had a clogged cat or something

 

lol, nope it's the cold.

 

It's just the colder air

 

ok thank u

 

the difference between 90* in summer, and -30* in winter, is perhaps 1.5lbs of boost for me.

I dont know how your seeing 4lbs....thats alot for only dropping down to 30*

 

innaccurate gauge reading

 

on mine or his?

 

i'd say innacurate gauge...i have the s3 pulley and i've never boosted that much and it's been almost the same weather in dallas and tyler.

 

how often you in tyler?

 

something else is wrong with your car, sounds like a clogged cat. The cold air wont give you 4lbs of extra boost. I see maybe 1-1.5lbs of extra boost going from 80F to 0F. If your seeing that much extra boost, i would assume your guage is off or your having exhaust issues.

 

agreed, most i've seen for boost change is 1.5 lbs due to cold weather

 

his

some people are confused on how to read the gauge sometimes.

the lil marks are 1/4 readings. dunno.

 

i live in Mn and the temp was 0. I left a thread on this a little while back. I have a stage 2 and max the psi at 15. In that nasty ass cold weather I maxed out about 16.5. It felt faster that is for sure. A 4 psi jump though is a lot. Something doesn't make sense here.

 

**** venom im gonna kick u in the nuts if ur complaining about cold in texas..it gets to -30 C up here in winnipeg..

 

The most dramatic increase I saw with S2 in the cold weather was 2 psi, went from 15 to 17, so 4 psi sounds like a lot to me as well.

 

Bad gauge or reading it wrong . It gets way colder up here and ive never seen close to those numbers on a smaller pulley even .

 

you better hope its the gauge.
cuz if your pushing 19psi on stage 2.....your on the ragged edge....

 

i always max out the boost in cold or hot air...i replaced like 2 boost gauges

 

On my mechanical boost guage Ive never seen more than 1 psi variance between extreme weather conditions .

 

i got my boost way over 15 psi once, and was confused as hell until i realized the emergency brake was on

 

x2 clogged cats can make you build bigger booste becuase the air is not going throw your exhaust its building up so all the back pressure