96RedCav
That Cavalier guy
First off, Don't know if any of you are into 4 cylinder cars, or even showcase any here..But I figured some might be interested just because of the engineering involved. Also, If I didn't put it in the right section, you can beat me later. Just read this first.
These guys in Greece know how to do it. This takes some SERIOUS cash and skill. From another site, But it was a seriously cool read. Alot of tech talk in the original thread so it is highlighted here. It is from a company called Extreme Tuners in Athens, Greece. He says he keeps it down to about 30 something PSI due to traction issues. Kinda makes the power seem un-useable, but cool none the less.
Cast Garrett compressor wheels (right) tend to come apart above 50 psi. CNC billet aluminum wheels (middle) are stronger, but why not be different and use your own CNC billet titanium (left) compressor?
You'll need a turbo big enough for the job, which in this case is a 108mm twinscroll T4 turbo, with custom quad ball bearing CHRA and 100psi capability.
To get enough airflow at 12,000rpm(!) to get the job done, you'll need a skillfully ported head, complete with titanium valves and copper-beryllium valve seats:
And you're going to need a set of camshafts to handle the rpm and withstand tremendous ramp pressures, so why not a set of hollow titanium billets with DLC at only 234 grams each?
And since there is no aftermarket rod up to the task, just ask for a set of billet mmcs-titanium connecting rods at 286g each. Rod/Stroke ratio is 2.07:
For pistons, a set of custom beryllium pistons with DLC fits the bill, and since methanol is the fuel, 13:1 SCR is fine:
A strong wrist pin is needed as well:
Toss in a custom titanium billet crank:
A set of 9000cc/min injectors:
And since a factory 4G63 block probably wouldn't hold up, just CNC machine your own from billet aluminum:
No head gasket is used:
And to put all that power to the gearbox, one needs a suitable multiplate clutch:
Yes, it is smaller than a cam gear:
An example of very efficient turbo manifold design from one of their recent projects:
And last but not least, a dynosheet from this car, running 'only' 48psi and hydraulic cams, Not the Ti hollows pictured earlier:
Since some of you are wondering what this costs, I know the Ti rods are around $3,250 each, and the Ti crank is around $31,000. Block is rumored to be around $9,000. They are now working on a CNC billet cylinder head and carbon fiber turbine housings. These guys have good connections with F1 parts fabricators.
These guys in Greece know how to do it. This takes some SERIOUS cash and skill. From another site, But it was a seriously cool read. Alot of tech talk in the original thread so it is highlighted here. It is from a company called Extreme Tuners in Athens, Greece. He says he keeps it down to about 30 something PSI due to traction issues. Kinda makes the power seem un-useable, but cool none the less.
Cast Garrett compressor wheels (right) tend to come apart above 50 psi. CNC billet aluminum wheels (middle) are stronger, but why not be different and use your own CNC billet titanium (left) compressor?
You must be registered for see images
You'll need a turbo big enough for the job, which in this case is a 108mm twinscroll T4 turbo, with custom quad ball bearing CHRA and 100psi capability.
You must be registered for see images
You must be registered for see images
You must be registered for see images
To get enough airflow at 12,000rpm(!) to get the job done, you'll need a skillfully ported head, complete with titanium valves and copper-beryllium valve seats:
You must be registered for see images
You must be registered for see images
And you're going to need a set of camshafts to handle the rpm and withstand tremendous ramp pressures, so why not a set of hollow titanium billets with DLC at only 234 grams each?
You must be registered for see images
You must be registered for see images
You must be registered for see images
And since there is no aftermarket rod up to the task, just ask for a set of billet mmcs-titanium connecting rods at 286g each. Rod/Stroke ratio is 2.07:
You must be registered for see images
You must be registered for see images
For pistons, a set of custom beryllium pistons with DLC fits the bill, and since methanol is the fuel, 13:1 SCR is fine:
You must be registered for see images
You must be registered for see images
A strong wrist pin is needed as well:
You must be registered for see images
Toss in a custom titanium billet crank:
You must be registered for see images
A set of 9000cc/min injectors:
You must be registered for see images
And since a factory 4G63 block probably wouldn't hold up, just CNC machine your own from billet aluminum:
You must be registered for see images
You must be registered for see images
No head gasket is used:
You must be registered for see images
And to put all that power to the gearbox, one needs a suitable multiplate clutch:
You must be registered for see images
Yes, it is smaller than a cam gear:
You must be registered for see images
You must be registered for see images
An example of very efficient turbo manifold design from one of their recent projects:
You must be registered for see images
You must be registered for see images
And last but not least, a dynosheet from this car, running 'only' 48psi and hydraulic cams, Not the Ti hollows pictured earlier:
You must be registered for see images
Since some of you are wondering what this costs, I know the Ti rods are around $3,250 each, and the Ti crank is around $31,000. Block is rumored to be around $9,000. They are now working on a CNC billet cylinder head and carbon fiber turbine housings. These guys have good connections with F1 parts fabricators.
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Damn rednecks haha
