Reply to "Fuel type"

maraudermikeMember

quote:
Originally posted by Aus Ford:
If it has stock valves replace them asap.

Stock valves break without warning and will destroy the engine.

I use closed chamber 2V heads on a 351 with flat top pistons and run on 91octane standard unleaded without any problems.

It is a matter of getting the correct advance curve in the distributor.

These are 4V closed chamber and based on the casting number they should be the ones used on the 70 351 HO engine. So I end up with those heads along with my 74 block with 4 bolt mains and hydraulic lifters along with the Sealed Power camshaft.

6/15/166:07 PM

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