In 1966 I believe there are two different part numbers for Corvette power steering pumps - one for Big Block (5696999) and one for Small Block (5696222). I do not see outward differences. Is the big block unit calibrated for more weight over the front wheels, therefore a higher rate of assist - or has it something to do with RPM limits ?
Big/Small Block Power Steering
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Re: Big/Small Block Power Steering
Peter-----
There are no internal differences between the 2 pumps. If I recall correctly, the difference involves some minor variation in the configuration of the resevoirs and/or the mounting. One of the 2 resevoirs was never available in SERVICE, though; you only got it with the pump assembly.In Appreciation of John Hinckley- Top
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