Quote: Originally Posted by vegasDSM
i keep it around 18psi on pump (91 here in vegas) however, my boost controller sometimes doesnt work and i see 20-22psi....
this is w/out water injection..
p.s. when i spoke with hahn, they told me not to run more than 19-20psi on pump.....
i do see some serious timing retard 5-6 degrees between 3800 and 4500rpms..
Is that on the 20g? the 16g might be a little different because it doesn't have the cfm capacity of the 20g.