|Sirio is introducing a new high-performance engine that boasts massive .23 cubic inch displacement. The included photos suggest a 7+2 port configuration with a three-port exhaust. A turbo two-piece cylinder head and a very large diameter turbo crankshaft are also included. A skirted piston and a machined double-bushing conrod round out this big bore package. Supposedly a new engine mount is required to install the engine, which has small-block engine mount spacing between the bolt holes, but is wider than a standard small-block thanks to the much larger crankshaft bearings. A standard exhaust port is also used, which should enable the use of this engine for many other applications beside the T-Maxx. Many standard 90 and 180 degree exhaust headers already exist that will fit this engine. It should also become very popular among those who like to stuff larger engines in their car or truck. Now it will be much easier because the crankcase of this new engine is much more compact than a standard big-block. Engine will include mounting hardware.
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