Radiator cap question

[SuperStang90]

I got a new aluminum radiator and it seems the stock cap isnt deep enough for the rubber to seal against the bottom of the neck. I can squeeze on the radiator hose and I get coolant out of the overflow fitting. Is there a deeper cap that is made that will go down further? Thanks in advance

 

[SuperStang90]

Anyone? bueller?

 

[Sean]

Just try a new cap first.

 

[SuperStang90]

Just try a new cap first.

I swapped it with one off my buddies car and same thing. I'm just assuming it has a deeper neck then most radiators? FML I guess I'll just buy a new one from Oreilly and see what happens

 

[Sean]

ahhh get a stanton cap for a commercial truck. Like q 16psi cap. Those come with sligthly taller filler necks.

 

[boydfoose]

Try a new CSF radiator cap instead, I think the sizes are all standard or try swapping parts and see which fits or not