Quote: Originally Posted by
catlin987987 
In Vacuum I get -16 to -20 Inches of mercury
and have seen down to -22ish
so say 10 psi reading in vacuum.
at I've seen up to 21.5ish psi in boost
thats 30 some psi each way.
I am I maxing it out?
how much is boost and vacuum.
I have no idea what your saying here....
But the stock MAP only reads up to 17.5 psi...so anything above that and you'll pull timing.....