09-30-2009, 10:47 PM
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#109
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Too Many Great Choices
Drives: Grand Sport/Z07
Join Date: Jun 2009
Location: A Mountain Road
Posts: 7,454
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Quote:
Originally Posted by wildpaws
One of Chevy's own dyno tests for their 302 Z/28 engine dated 8/2/67 showed a single four barrel version with 440 HP @ 7400 RPM and the two four barrel version with 468 HP @ 7400 RPM, the fuel injection version (which was never put into production) was 470 HP @ 7400 RPM. According to the data sheets accompanying these tests, they were using Traco Racing prepared heads rather than the stock heads, otherwise the engines appeared to be stock.
Clyde
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those were SCCA racing engines not factory 302's.
there have been new test by mags on this subject and with all the factory goodies they only made 360 or so HP.
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