I am planning soon to install a Summit 8601 Cam and lifters in the 360 in my '81 J20 tow rig.

Here are the specs of the SUM-8601 cam I have:

Cam Style: Hydraulic flat tappet
Basic Operating RPM Range: 2,000-5,000 RPM
Intake Duration at 050 inch Lift: 224
Exhaust Duration at 050 inch Lift: 234
Duration at 050 inch Lift: 224 int./234 exh.
Advertised Intake Duration: 282
Advertised Exhaust Duration: 292
Advertised Duration: 282 int./292 exh.
Intake Valve Lift with Factory Rocker Arm Ratio: 0.496 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio: 0.521 in.
Valve Lift with Factory Rocker Arm Ratio: 0.496 int./0.521 exh. lift
Lobe Separation (degrees): 114
Intake Valve Lash: 0.000 in.
Exhaust Valve Lash: 0.000 in.


I got this cam as a bargain.
I wanted a cam that was little less radical, but I was assured that if I recurve my dizzy for an initial 14 degrees,
I should be fine.
I currently have a Edelbrock Performer 2131 intake, with the EGR blocked off
and a Edelbrock Performer carb that needs rebuilt or replaced.
I have a single 2.5" exhaust that dumps right in front of the rear axle via a Flowmaster Series 40 muffler.
My 360 retains its stock Motorcrap ignition.
I have the parts for a TFI, but I desire a GM HEI.

My J20 is a dedicated tow rig that will see mostly the highway.
Before I start tearing my 360 apart, any comments or concerns about using this 8601 cam in my J20?