Technical Riley Intake?

I foolishly bought a good looking Riley intake manifold (from this site) for mu B motor ***uming that it was original (I frequently forget that almost everything as been cloned by now). I also was unaware that those manifolds are for a Riley head although it can be modified to fit a stock motor.
Can anyone tell me how to determine if it’s an original or a copy? Does it have enough value that I should not modify it?

 

Can you post up a picture so we can see what you have?

 

I have never posted pictures on here before but I will give it a try

 

I would say yours is a newer part using the Riley name with a modification to differentiate it from original, AFAIK Riley cast his name in capital letters and did not extend the “tail” of the R to underline the name. Also, I don’t think George Riley ever made a manifold with the three bolt Stromberg pattern, he concentrated on the Winfield/Riley square bolt flange.
He also made manifolds with two bolt flanges that were more street oriented to use a Ford A/B carb or the 1 1/4” Zenith. Those used the original Ford manifold to block bolt spacing.

 

Now all you need is the head

 

You are right Windup

 

You might want to get a hold of the Hermans at H & H flathead. I talked to Mike at the GNRS because he had some Riley things on display. When George Riley died, he owed a lot of money to John Vesco. Vesco got all of Riley's patterns and castings. Vesco got Fred Lobello to machine new castings made from Riley patterns. I was good friends with Fred Lobello and remember him doing all the machining the way Riley had intended. When both Fred and Vesco died, H &H bought the tooling. I talked at great length with Mike Herman about the history and his purchases. He would know of your part is original or a knockoff.