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View Full Version : Would anyone know my valve clearance



lyons17r
03-07-2011, 12:06 AM
I have a complete stock 1977 400 sbc and I have sportsman heads with 2.02/1.60 valves... And thanks for looking I think the heads are 64 cc chamber

lyons17r
03-07-2011, 12:30 PM
I kno that's what I was wanting to kno.. How much lift I could run.. Well thanks

gadirtracer
03-07-2011, 07:26 PM
If your asking MINIMUM piston to valve clearance.....080" on the intake valves & .100" on exhaust, w/steel heads/block and a flat tappet.
With 64cc heads & flat tops, shouldn't be a concern.