eddierotary

iTrader: (7)

ok heres the story, first of all i have a 89 rx7, but wait, i swapped a 93 stock port 13BREW with the stock twins and everything. also i have a 3 inch RB enhaust with the DO modified for the twins, power FC 3 inch IC pipes and 18x12x3 ic msd ignition mand plus more. anyways i have it sequencial but im having problems with it. i look thru the arquives and i make sure i have all the vaccum lines hooked and in the right spot but heres my probelm

front turbo works awsome, spools fine to .50 bar, real quick but around 3200 rpm like it runs out of breath almost to .0, then like i heard the second turbo like trying to kick in but it doesnt, and if i let off i heard this howling sound like an unbalance turbo. but if i keep the foot down it will slow down , no boost until it hit the 4500 rpm mark and is like winds up and then takes off and get .57 bar of boost. then i rev it up to like 6000 rpm and like it runs out of turbo again, like the most i seen is like .1 bar. well the other dilema, when i do the first step on that will do what i just explain. it feels like both turbos are running parralel because then boost comes late , like 2500 rpm i dont heard the 1 turbo spool at all is just weird all of it.

now my question is. is this a setting that is on the PFC that makes it run like this or a bad solenoid or what the heck is going on????

i search, looked on all the faqs on the website, did the boost test. i really want to run it sequencial because i like doin autox with the car i know with the stock twin sequencial working will makes his car quick, but is been 2 month now and i havent figure it out. thanks

eddie

tiger18

iTrader: (1)

Hi there,,, i cant pin point your exact problem but i can give you this link to help you start searching for the problem.

http://www.autosportracetech.com/RX-...leshooting.htm