Mc kay injection for BBC info needed

Just bought this Mckay injection, it,s a 2,9" and it,s magnesium.
The pump has no name or markings on it.

Any info on injection and pump is welcome.

Also the nozzles are stamped 38 could this be for gas or alcohol?

My plan is to run it on alcohol in a 468 BBC in my altered.

 

Looks like an Enderly pump. I would guess 38s are for fuel. Can you get some pin gages and measure the hole size? Are they Hilborn nozzles?

 

Looking good Tommy
You can allways call "the Doctor", or contact Don at Hilborn


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Taildragger&fenderles

 

The Doctor is contacted
Thanks.

 

I will try to measure them, really don,t know if they are Hilborns.
Anyway to determine the pumps capacity other than flow it?

Thanks.

 

If the nozzle orfice size is .038 the it is for alcohol, put about a .110 return pill in it and that should get you in the ballpark. Good luck.