I am guessing you will not love that aluminum flywheel if you plan to drive the vehicle on the street.
Racing, yes, but street........hope your heel/toe driving technique is up to snuff.
I have owned two, and still have one of them; so very familiar with their advantages AND disadvantages. They significantly improve the way an engine will accelerate ABOVE a given threshold; and literally KILL ALL low-end torque!
The first was an off-topic 4 cylinder that made more than 2 HP/CID at the rear wheels! With a 5.13:1 rear end, it wouldn't pull a 1700 pound car in first gear below 2500 RPM. But when the tach hit 4000, you better be ready to shift, because 2 heart-beats later is was at 9000.
The one I currently have is in a 350P V-8 producing about 1.5 HP/CID. I started this build when I was younger, but it took 28 years to finish as I was always building carburetors for others. By the time I got it finished, my heel/toe coordination was not as good as it had been 28 years earlier.
Hot (after about 30 minutes) it idles grudgingly at about 1000 RPM. Until it warms to normal temperature, it won't idle below about 1800, and would die at every stop sign. Finally had to install a carb with a manual choke. Each time I approach a stop sign for the first 30 minutes, pull the choke (amount depends on how long the engine has been running). Yes, the car runs like a scalded dog about 3000 RPM, but if I knew it would take so long for me to finish, I would NEVER have considered the aluminum wheel. I rarely need 3000~6000 RPM these days.
Please understand BOTH of these engines were DESIGNED for high RPM (the four cylinder red-lined at 9500, the V-8 at 9000) so the aluminum wheel gave benefits.
Not saying you will have the same experience as I, but something to think about.
Jon.
