Car is a 64 Chevy II, 3.08 posi rear end with 26 tires

Engine: 250 bottom end with cast pistons, balanced and zero decked with about 200 miles since rebuild, Toms Thrifty cam (212 degrees duration @ .050 lift, .512 lift at valve, 110 lobe separation), timing has been set at 10* initial on a large cap HEI distributor with external coil and I've tried full manifold vacuum and ported vacuum

Head: 70s small plug head with smog ports plugged, intake lumps, 1.84/1.6 valves, Offenhauser intake, 3stud exhaust manifold with 2.5 exhaust and glass pack muffler

Carb: 0-80457sa (4160 style) Holley in 3 barrel configuration (one primary barrel plugged), with quick change secondary spring housing and secondary jet metering block added for adjustability

Trans: typical TH350 with Moroso adjustable vacuum modulator and the aforementioned Summit 1700-2100 stall 12 converter
Manual disc brakes

Cruising speed is about 2200 rpm at 55 mph


Edited by ACH57 (11/29/17 06:14 PM)