I have a 1970 C-20 longhorn pickup with 350, the compression is 165. I have just installed cam/lifters, timing chain and heads. It also has a edelbrock performer rpm dual plane manifold, edelbrock perfomer carb 750 cfm and headers.

specs:
LS9 350

CAM: CLEVITE 229-1730 S2019

DURATION @.050" INT. 204
EXH 214
DURATION 270
280
LOBE SPREAD 112

VALVE LIFT .420
.443
CAM LIFT .280
.295

HEAD SPECS: #882
1.90 INT
1.50 EXH

Any comments on this setup are welcome, also need timing info.