Arao 4-Valve Heads
Its a shame, The heads don't perform....If they did everyone would have them
These heads sound really cool. Its too bad they have customer service problems. I would love to see some of these heads in person and see what you actually have to go through to get them installed correctly.
A repost of the Unstable Bob Memorial Dominion head pic's:






I'd post the photo of Unstable Bob holding a valve cover, but it has been known to frighten children and small farm animals.......






I'd post the photo of Unstable Bob holding a valve cover, but it has been known to frighten children and small farm animals.......
BOO YA!!!! These heads are gonna work, some how, some way, some day!
They are in good hands with Bret B and Jon B. We have an understanding that it ain't gonna happen overnight, and I think if I wasn't such a cool and charismatic person they wouldn't have touched this project with a 10 foot push rod!
They are in good hands with Bret B and Jon B. We have an understanding that it ain't gonna happen overnight, and I think if I wasn't such a cool and charismatic person they wouldn't have touched this project with a 10 foot push rod!
BOO YA!!!! These heads are gonna work, some how, some way, some day!
They are in good hands with Bret B and Jon B. We have an understanding that it ain't gonna happen overnight, and I think if I wasn't such a cool and charismatic person they wouldn't have touched this project with a 10 foot push rod!
They are in good hands with Bret B and Jon B. We have an understanding that it ain't gonna happen overnight, and I think if I wasn't such a cool and charismatic person they wouldn't have touched this project with a 10 foot push rod!

I was saving to do this as well after reading some article that a 4v head was used on a TSBC, put on an engine dyno and gained 100hp w/ no other improvements. After hearing of the lack of enthusiasm and lack of production so many years ago I'm glad I decided to spend the money elsewhere.
It's actually an interesting story - one of our customers was helping a friend move some items out of his dead father's house and under a blanket in the garage resided a built motor (fresh) with a set of heads that he had never seen before. He took some pictures of the motor and brought them in to us, were we were able to inform him what exactly it was. He has now bought the motor off the friend so that we can take it apart and figure out what needs to be done to get things running as it's not setup correctly now - it looks like the heads were dropped in place for mock-up but no valvetrain work is actually completed. It will end up going into a '72 step-side pickup.
What is that is so hard to set up with these things? Has any reliable source ever actually installed a set and got them to work? It is damn intriguing but sounds like a career opportunity for someone, not a winter project. If anyone could figure out how to make them work, and the results were as good as they "should" be, they could go into business making and selling motors with the heads installed and I bet there would be a market.
I haven't been following the thread, but are the basic heads still being made?
Rich
I haven't been following the thread, but are the basic heads still being made?
Rich
I was originally under the impression that we would be getting the motor ASAP, but apparently he has run into money issues so I have not even gotten to take a look at it in person yet - still waiting hopefully as I think it will be a fun motor to throw on the dyno.


