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rim size for GN. are they 5x4.5 or 5x4.75 this is the lug nut spacing Im referring to. thanks

ok, I bought a bstc from fullthrottlespeed and hooked it all up. well, it doesn't work. the red led comes on and even with the knob set on high the boost is still the same 16lbs but then I get a check engine light and code 31. so I checked the voltage at the waste gate solenoid and I have...

ok, i think i can explain the function of it as a valve to bleed boost away from the wastegate. so when the desired boost level is obtained the computer closes the valve allowing all boost to go to the waste gate. now the question is in normal driving such as cruising is the solenoid open or...

I have 50lb injectors and walbro 340 pump. would increasing my fuel line diameter to 7/16 from the tank to fuel rail be worth it? i'm looking for more volume and less pressure or will my fuel rail still be a restriction?

seems no one wants to race me when i'm in my gn but everyone wants to race when i'm in my dually pickup. i usually get most people off the line cause that diesel got 370ft/lbs of torque. i hate ricers.

put 275/60/15 tires on my stock national rims and now the driver side tire touchs the frame(car not moving)but the passenger side is fine. is this just bad body bushings?

I install 275/60/15 tires on my stock grand national wheels and I noticed something weird when I put them on the car. the passenger side tire fit ok without rubbing but the drivers side tire is touching the frame at the front and rear. has anyone else seen this. is it just body bushings?

has any got info on the gt 40 turbo. how well did it spoll up and what torque converter were you using.

How many of you guys running mid 11's have steel main caps and or block girdles?

does any one run one of these turbos and does it really need a 2800rpm stall speed or does it need more?

i would like to thank 1320 for his imput. i went to probe the blue wire on my cam sensor and found that it wasn't connected to the cam sensor. must have broken off. haven't fixed it yet but pretty sure thats the problem. thanks.

WHO RUNS LEADED FUEL AND HAS PROBLEMS WITH THEIR O2 SENSORS. I'M JUST PLANNING ON RUNNING LEAD FUEL A FEW TIMES HERE AND THERE. WOULD THIS BE A PROBLEM?

AFTER REPLACING THE WATER PUMP ON MY CAR , I FOUND THAT IT WOULDN'T START. ALL FUSES ARE OK, ALL SENSORS ARE PLUGGED IN. IS NOT GETTING SPARK AND PRETTY SURE NOT GETTING FUEL BECAUSE THE PLUGS ARE DRY. IS GETTING FUEL TO THE RAIL. DID I POSSIBLY DISTURB THE CAM SENSOR WHILE CHANGING THE...