Headers TBP's vs DUFFY

[Monster Mike]

Not sure. WH sells a few different shorties. PM a link to the ones you want to buy and I'll let you know.

 

[72pabronco]

Mike.
Are the new shorty headers going to work with p heads?

 

[Monster Mike]

Mike.
Are the new shorty headers going to work with p heads?

No. I would like to add a shorty header to our line up that can do it all. In time we hope to do that.

MM

 

[centex77]

I’ve got tom’s headers on mine. Fit real well. Still gotta have the rest of the exhaust dabbed up. I’m not to concerned with breaking the motor in with them. Not sure why they say not to. Seen many engines broken in with long tubes both EFI and carb.

 

[sykanr0ng]

I’ve got tom’s headers on mine. Fit real well. Still gotta have the rest of the exhaust dabbed up. I’m not to concerned with breaking the motor in with them. Not sure why they say not to. Seen many engines broken in with long tubes both EFI and carb.

Coated headers need to cure properly when new, and that means temperatures not too hot but hot enough.
New engines are usually not tuned yet and may run too hot or too cold exhaust temperatures.

End result badly cured and discolored header coatings.