First will swap out prom back to Hypertek prom. Then the ramps been wanting to build ramps for along time so I can work on the vette.

 

Dan

 

 

I had a little bit of this problem with starting, and to stay running, while my '82 was in the shop for general maintenace. While moving the car outside, my mechanic said the car stalled and shut down. Eventually, with numerous troubleshooting trys and replacing both air throttle valves to no avail the car would not stay running.

 

Searching the car from front to back, we eventually found that the fault was in the fuel tank. Not the sending unit mind you, but the attaching hardware had failed. The sending unit has a hose held by 2 teflon clamps (pictured above) that is in turn attached to the fuel line leaving the tank and going to the engine/fuel pump. While both of the clamps over time had become 'brittle', one of them actually broke at the geared teeth and allowed the hose atttached to come undone and pretty much just rerouted the fuel right back into the fuel tank...allowing just enough fuel to reach the injectors and start the car for a few seconds.

 

So, I would also look at the sending unit assy and make sure all of the hardware that is attached, is in fact, attached and in good condition.

 

I replaced those teflon clamps with typical radiator hose clamps. The car runs like a champ now!

 

And keep in mind, this issue is only for the '82 MY...the only C3 with a in-tank fuel pump.

Took cover off vette, warmed up here 40 degrees.....

Took battery out and topped off charge and put in hyperchip. Pins on stock prom were messed up.

Will start  vette when battery is charged......

Will need stock prom when inspected. Anyone know where to get a stock prom????????

 

Dan.

Put new battery in and tried to start but did not hear the fuel pump charge( whine) so will be checking all connections. Removed the rubber at gas tank filler found the wiring and hoses to be in good shape.

Feel the fuel pump is culprit.

Dan

 

Dan

Dan