AVS2 carb tuning. Anyone with experience out there?
On another note, is this 650 big enough for my 340? I do have an new 800 cfm AVS sitting on the shelf I could try but I really think the 650 should be sufficient for this engine.
Yes the 650 is big enough. If you can't get the 650 to work right . then I suspect you will have even more trouble with the bigger carb.
I would tighten up the air door two full turns and see what happens
now; What's your TC stall and what gears and I assume you have an A-body, but which one?
Can you give an idea of cam and cylinder pressure. Oh wait I see you said 73 340 and stock type Comp cam. Is it this one?
Brand:
COMP Cams
Manufacturer's Part Number:
20-212-2
Part Type:
Camshafts
Product Line:
COMP Cams High Energy Camshafts
Summit Racing Part Number:
CCA-20-212-2
UPC: 036584500124
Cam Style: Hydraulic flat tappet
Basic Operating RPM Range: 1,500-5,500
Intake Duration at 050 inch Lift: 218
Exhaust Duration at 050 inch Lift: 218
Duration at 050 inch Lift: 218 int./218 exh.
Advertised Intake Duration: 268
Advertised Exhaust Duration: 268
Advertised Duration: 268 int./268 exh.
Intake Valve Lift with Factory Rocker Arm Ratio: 0.454 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio: 0.454 in.
Valve Lift with Factory Rocker Arm Ratio: 0.454 int./0.454 exh.
Lobe Separation (degrees): 110
Computer-Controlled Compatible: No
Grind Number: CRS 268H-10
If yes then I suspect your cylinder pressure is gonna be in the basement, so your combo is gonna need some help from stall and/or/together-with rear gears