"Fraser, Ron" wrote:
>
> I never saw any Chrome in the bores of the Chevy Vega Aluminum
> engines. I worked at the engine assembly plant in Buffalo N.Y. the summer
> of 1972.
> The process was to infuse a silicon compound into the aluminum matrix
> of the cylinder walls so the rings would ride on the harder silicon compound
> and not the softer aluminum. According to some people on the inside, Chevy
> never got the process right. I believe in the last years of that engine
> they used cast iron sleeves for the bores, then dropped the engine in favor
> of the "Iron Duke" engine.
> I drove a '75 Vega for over 100,000 miles, got 32 to 40 mpg after
> tuning and tweaking, the body rusted out, the engine was still strong.
>
> Ron Fraser
Ron,
Ours was a '75 Vega as well, and I am sure it was iron
sleeves. Ran OK, as long as I used JB Weld to seal up the
crack in the head that leaked water. Don't laugh, it worked.
Steve
--
Steve Laifman < One first kiss, >
B9472289 < one first love, and >
< one first win, is all >
< you get in this life. >
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