What stall and gears are you running? Do you have jet extensions on your secondaries? If you are launching hard they could be uncovered and are basically dry when you launch the car.
A power valve can sometimes help mask the dp pop and stumble if you are running out of secondary pump shot. This is because the power valve pops open and richens up the primaries a little when you stomp it to the floor. Another thing that will help is running as much initial timing as you can and putting in your advance quicker. A 50 cc secondary accelerator pump is pretty much a given with a 37 shooter.
You can see my 65 fastback at: http://hottarod.stangnet.com/
http://members.aol.com/macstang/Gifs/macstang3.jpg
A power valve can sometimes help mask the dp pop and stumble if you are running out of secondary pump shot. This is because the power valve pops open and richens up the primaries a little when you stomp it to the floor. Another thing that will help is running as much initial timing as you can and putting in your advance quicker. A 50 cc secondary accelerator pump is pretty much a given with a 37 shooter.
You can see my 65 fastback at: http://hottarod.stangnet.com/
http://members.aol.com/macstang/Gifs/macstang3.jpg
