Please Help Sluggish 81 280zx!!

[Guest 81s280zx]

--------------------------------------------------------------------------------

I RECENTLY BOUGHT A 81 280ZX VERY NICE CAR HAS AROUND 160k MILES BUT DOESNT SMOKE AT ALL NOT EVEN WHEN I REV IT UP WELL IT RUNS OK BUT WHEN I GIVE IT GAS AND HOLD DOWN THE PEDAL IT WONT GO PAST 5K RPMS NO MATTER HOW LONG I HOLD THE PEDAL DOWN MOVING OR STAYING STILL IT JUST WONT WIND OUT MY FREIND HAS A 79 ALL STOCK AND IT RUNS WAY BETTER SMOOTHER IDLE REVS UP FASTER GOES TO 7K RPMS LIKE IT SHOULD AND IS ALOT FASTER CHIRPS TIRES IN 2ND GEAR MINE WONT COME CLOSE TO THAT AND IT SOUNDS LIKE A DISEL TRUCK WHEN ITS IDLEING NOT SMOOTH AT ALL I REPLACED SPARK PLUGS,CAP AND ROTOR,FLUSHED ENGINE,OIL CHANGED,NEW OIL AND AIR FILTER,PUT SOME ENGINE RESTORE IN IT,ALSO PUT SOME FUEL INJECTOR CLEANER IN IT I CHECKED AND REPLACED ALOT OF THE VAC HOSES, I TWEAKED ON THE TIMMING DIDNT HELP,TWEAKED WITH THE AIR FUEL SCREW ON THE THROTTLE BODY HELPED A LITTLE BIT BUT STILL IDLES ROUGH IM THINKING IT MIGHT BE MY PLUG WIRES I HAVENT REPLACED THEM YET AND THEIR NOT VERY NEW I CHECKED MY FIRING ORDER 3 TIMES AND ITS RIGHT , OR MAYBE MY GAS TANK IS DIRTY OR SOMETHING I TOOK OFF MY FUEL FILTER AND BLEW THROUGH IT PRETTY EASILY DIDNT REALLY SEE ANY BAD GAS HAS ANYONE HAD THIS SAME PROBLEM AS I AM I MEAN IM LOSSING POWER BY THE TIME I HIT 5K RPMS ENGINE JUST GETS LOUD AND DOESNT PULL PLEASE CAN ANYONE HELP ME WITH THIS A.S.A.P I WANT TO GET HER RUNNING GOOD SO I DONT GET BEAT BY A HONDA AND RUIN THE DATSUN NAME LOL J/K ANY HELP WOULD BE GREATLY APPRECIATED THANKS!

[slownrusty]

Let's see here advice for you:

1) Take the damn CAPS LOCK OFF

2) Concerned with beating a honda?

3) Sell the ZX and buy an Integra.

 

Problem solved.

 

Easy!