Alex C. wrote: "So if the old small-block was so good, how come they dumped it
and moved to the Vortec engine family for the trucks? Fuel economy and/or
emissions concerns, or something else?"
The old small block was a workhorse, but the newer balanced engines were for
superior for fuel injection, the use of and harmonic balancing. The newer
engines also developed more power with better fuel economy. Now, the 350 that
was fuel injected in 87 is an awesome engine. But, 1988 represented a watershed
year for GM becuasue of the development of the newer engines.
Until the design of the 3800 V6, the 307 ("Y" code) engine and the 305 (made by
chevy) was, in my opinion the best engines GM made UNTIL the design of the 3800
V6.
Donald H. Snook
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