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i have a hks race wastegate 50mm with a 11psi spring trying to controll it with a greddy profec b boost controller. The problem i have is when i turn the boost controller on can't boost no more than 7psi, but when off it would go to 15psi on a 11psi spring. i have vac line frm turbo to in on...

Hello everyone need a little help pls. I went to dyno my car yesterday and couldn't reach 400hp only 396.The car ran fine and had enough fuel.The problem was it would boost up to 18psi and at 5-6 grand the boast would rise and the horse power would drop everytime.So we chked the boost contoller...

Do anyone no who makes a custom brakett so i can keep my a/c on my car. i'm trying to install front facing intake but want to keep a/c.

put AN fitting on fuel rail for feed line and now car leans out only at 2600-2700 rpm's. its like a flat spot and then the car smooths out threw out the the rest of the rpm's. i have 680cc precision turbo injectors,-6 feed line,255 walboro, vpc/safc. the car only stumbles at that rpm. i tried...

i have 7mgte that is really running rich. i found a broke wire on 02sensor (repaired). Car still running rich chked intake sys. for vaccum leaks all repaired. For fuel management i have safc/vpc. The car cranks okay, but when start you have to keep foot on pedal,but when release pedal car...

car will not stay running,after stall the car would noy start bck until you wait awhile. So tried to adjust the fuel with safc no responce. Car wouldn't adjust. So i unplugged idle control vaul and car would stay running, but still running really rich. I'm running vpc/safc set up. Could someone...

i have a 7mgte supra with the bosch 044 inline pump upgrade.i have apexi safc controlling fuel.I've tried to dial fuel out but still file plugs. chg the plugs the car runs but low idle can't adjust idle. the car stalls sometime and can't get it to crank bck until let it sit for awhile. Have fuel...

okay, here how goes i had 550cc injectors. Had issues with leaning out at 4100-6000rpm. so replaced them with 780cc and thought that would cure my fuel problem,but it didn't.the car runs great 1st-3rd and when you hit 4th and at 4100rpm it run lean. my setup is 780cc injectors,aem afpr with...

car 89t i'm getting the karman signal from the apexi but no afm reading and throttle at 100%. car was running fine 2 days ago went to the movies and car started but wouldn't move because not reading afm and was running really rich. got codes 22,24,41,51 can't figure out problem think safc is...

do anyone know if the safc1 and safc2 wiring them to a vpc is the same for 89t. do the pink wire and orange wire wire the same?

went to the movies car was running fine, came out the movies started car and when tried to move car wouldn't move. looked at safc was reading no afm signal , throttle was reading at 100%. got codes 22,24,41,51. car now runs really rich steal no afm signal and throttle at 100%. rechecked all...

could someone help me? My 7mgte has starting problems. Just had the motor rebuilt and trying to start it. It starts but after running 25 to 30 mins. it gives me code 14. I chked ignition system everything seems okay. But when remove pluggs they are black like they are not firing. Car will not...