What PSI cap do I need?

[67ozziecuda]

Guys,
What's the correct radiator cap pressure (PSI) for 67 barracuda 273 Formula S 4V motor, no A/C but has power steering?.

Thanks
Dave

 

[abodyjoe]

i think they were 16psi. not 100% sure.

 

[Bad Sport]

That sounds about right.

 

[RedFish]

I think 16 psi is correct for original. A lot of owners install a 7 psi otherwise know as a weak system cap when the radiator, freeze plugs, and other components are questionable. If you have needed
to add stop leak products a lower pressure cap is recommended.