This engine featured reverse-flow cooling, revised cylinder head design, a crank-triggered optical distributor, and electronic fuel injection.Four-barrel versions in passenger cars pumped out a neck-snapping 180 horses with dual exhaust, and the Corvette version of the 265 small-block garnered 195 horses.
This carburetor and intake system was paired with cylinder heads featuring 1.72 1.50 valves and 56cc combustion chambers. The engine shown here has been installed into an early Nova with lots of polishing and chrome. Most other four-barrel 327 engines in 67 were of the 275hp variety. Very underrated at just 290hp, these little engines would easily rev past 7,000 rpm. Compared to the Z28 engine one year earlier, the LT1 350 provided lots of low-speed torque the 302 did not offer, but lacked the unique driving personality the 302 displayed. The first LT1 small-block was the only engine available standard in the Z28 from 70 through 72 and optional in the Corvette for the same model years. For 70 these engines had 11:1 compression, and 9:5:1 for 71 and 72. Engines like this 383 make huge amounts of torque for impressive performance on the street and the track. Although it looks entirely different than the first 265 small-block, this engine is still designed with the 4.40-inch bore spacing. At the time these engines boasted performance never before seen with a small-block. Today, the small-blocks advancements with 505 hp from the LS7 overshadow the LS6. Installed in a 06 Z06 Corvette, the engine will propel the car 0 to 60 mph in 3.5 seconds (all in First gear), blast through the quarter-mile in 11.5 seconds, and if there is enough room to continue up, you can expect top speeds of 195 mph. One camshaft is for the intake and the other is for the exhaust.
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