Post your combo

Car: 1970 Duster 340
Weight: im not sure
Gear ratio: ill get back to you on that
Tire diameter:
RPM through: trap my car is traped in my backard since i got it
MPH through: traps ^^^
ET: phone home

Engine CID: 340
Head Type: ok ill just answer the parts i do know
Valve size:
Head Work: stock
Cam Manufacturer: stock
Cam specs at 50:
Carb type and size: Edelbrock 600ish performer
PV Rating :
Jet sizes :
Plug number and brand:
Intake Manifold Type: offenhouser 2 stage hi rise
Piston Make:
Compression Ratio: 10.5? checking it tomorrow hopefully

Trans type: 747 a/t
Trans Mods: stock
Convertor type:
Convertor stall :
Trans Brake :

Drive shaft stock or aftermarket: stock

Initial timing:
Total timing:
Total advance at what RPM:

Rear end type: 8 3/4

as you can see, i havnt really dove into it yet :(