I have a old magazine from 1964 with an ad for that thing. It makes some pretty outrageous claims. I have heard that intake has serious fuel puddling issues and a huge internal volume. Its a very poor design.
Would be a fun project to smooth out some of the flow with some epoxy... get rid of some of the dead space. As long as it's not a huge dollar collectors item.
By Ralph Ridgeway (also developed the SBC stud girdle), earliest non-fabricated tunnel ram (although they were used in the 1950s) that I've heard of, primitive compared to more modern designs, plenum volume too big for a street engine.
Same thing I have heard, hang it on the wall....someone will see it one day and you can make them very happy..
I am going to try it out on a "T" that I have just for fun! I also have an old Nicson 2-2bl intake that I am currently running.
good luck with that, i think those are a wide open throttle only manifold similar to this Edelbrock I had to try on a 454 only took a few minutes running to realize it would never work on the street as said already the plenum and runners are far too big to get it to behave nicely
Its a HIGH RPM manifold for sure, will do you NO good on the streets, will just keep your plugs foulded out, etc., etc.......
My thought was to run two Holley 450's and block the secondaries from coming on....any thoughts on that?
I ran a ridgerunner ram with a single four barrel top plate and a 600cfm carb on my 55chevy for a couple of years. it had very poor throttle response and made no power until 3500 rpm, but it never fouled plugs , that could be because it was only a four barrel. I still have it and my try it on my 57 chevy.
Do you have an image of the ad? We just picked up a Big Block Ridge Runner Ram so now we have a SBC and a BBC and would love to have an ad.
My converted FI unit. I found a single AFB worked fine. I had raised the floor and shortened the runners. I used it on the street on my Nova. I still have it!
I have two of these RidgeRunner intakes. The polished single top I ran on a street rod Anglia back around 1988. Sold the car and kept the intake on the shelf until last year when I bought a 37 Chev coupe (street rod) and finally using it again after 36 years. The second one I've had pretty many years and never ran, it has both a single and dual top. Maybe not 100% efficient intakes but something different looking from the every day common look. They are a little cold natured in cool/cold weather but mine starts right up and idles/runs fine. They don't have a big open plenum like the picture suggest, the plenum from carb mount to inside where the runners start is about 3 inches and that area is flat so the gas doesn't puddle like the Edelbrock bread box style did.
The V bottom plenum floor into straight runners sure reminds me of the newer Victor Ram 2-piece design. I've had good results cleaning up all the casting flash and using an air driven needle scale gun to texture the aluminum Victor Ram plenum floor, simulating a golf ball like surface seems to reduce large puddling of the unsuspended fuel by absorbing it and spreading it out in the rougher surface area; easier to be whisked up when the rpm goes back up. Thats my theory and I'm sticking to it, my 60-foot times improved considerably. Might be worth a try on a Ridgeway
Bolting the Ridgeway on a bigger cubic inch small block may also help, most times they were bolted on 265/283 and 327s. A 400+ cubic inch engine will be moving lots more air
Say, on an all aluminum 427 Rodeck, would look cool if nothing else. People said this McFarland Tork Link wouldn't work either.
I have a 2x4 Ridgerunner manifold . Its sitting on. 413" SBC 12-1 with big RHS heads. Would love to find matching valve covers for it.