supercharger pully to boost chart anddo i change pullys

[blown apex]

ok 0-1000 feet
3 head gaskets
93 pump gas
blow off valve
im at 11.8 lbs boost @ 10400 rpm
runs good 2 seasons now no problems
do i dare to go back to the 26/22 pullys with
pump gas and 3 stock head gaskets
(looking back this was 16 psi boost on
stock compression and blew up from low fuel pressure
and compression)
oh i cant find the ulhmer fuel or pully chart
thanks

 

[kinger]

Here is the pulley chart.

http://www.ty4stroke.com/download.php?id=47710

26/22 is what you need for 11.8 PSI. You on a stage 1 or 2 blower?

 

[blown apex]

blower

stage 1
when i blew up it was 26/22 and 16 psi
with stock compression 10800 rpm
racepak dash and i checked transducer with a air regulator
my 26/24 is 10.8 psi now with 3 head gaskets
im kinda scared to go to 26/22 again on pump gas
thanks kinger

 

[kinger]

That is odd it should be impossible to make that much boost on a stage 1 blower no matter what pullies you use.

I run 26/22 on .060 shimmed engine on 91 fuel running 10-11 psi. Been that way for 3 years. Even ran 87 twice with a can of Torco race fuel additive.

Something was a miss on yours I suspect I seen spikes to 14 psi when I let off the throttle before the BOV opens but never under load.