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What's New?
Prior to our latest dyno test, the most powerful small-block engine we've tested was high-strung .12 competition engine. At 1.6 horsepower, this engine put out more power than any
small block of any displacement - until now.
In a recent dyno test for an upcoming issue of RC Nitro magazine, the
new OS .18 TZ rear-exhaust engine cranked out a record setting 2.28 bhp at 30,500 rpm. It shatters the 2hp barrier for small-block
engines well before anyone else had a chance to get close, making more horsepower than four very prominent big-block engines
we've previously tested. The TZ also set a new high mark for torque, measuring an amazing 83.1 oz.-in. at 25,850 rpm.
The
new TZ is a ground-up design that features a 5-port configuration with a turbo head and crank. An all-new 3-needle 11K carb
features a big 6.5mm venturi for better breathing
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