Carburetor Question - Is this a good call?

crashcaptn said
it runs JUST good enough to cruise about town and look bitchin'. Starts great, cold running wonderfully, warms up and then starts acting like an asshole. At stop lights i kick it in neutral when warm otherwise it'll sputter out

You said 273 right? With solid lifters right?.
Loosen up your lash ; 4 on the intakes 2 on the exhaust and " see what happens"