Larger valves in 2F head

[Roadnoiz40]

Anyone ever put larger valves in a 2F head rebuild? What did you use, what springs etc.

 

[Mace]

Waste of time, you need the restriction for low end. LArger valves will kill your bottom end and not help much in the top end.

 

[Rice]

Waste of time, you need the restriction for low end. LArger valves will kill your bottom end and not help much in the top end.

Nailed it. For an engine that tops out in the 4000 range bigger valves will only cause a loss of low end torque.

Is this an attempt to keep from having to scrap the head (cutting new valve seats) or an attempt at more HP?