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Andrews products offers adjustable pushrods that are made in either anodized aluminum or chrome moly steel. Aluminium is lighter but chrome moly is stronger. What is the recommended pushrod material and why? Does one want a lighter valvetrain or a stronger one?
Do the chrome moly, I've replace a few sets of the pretty anodized ones for people that had flexed & bent. Weight differential in a near stock engine is negligible, you'd have to be running a huge ***** out drag motor to worry about that.
As is so often the case with queries like this, it is well worth visiting the manufacturer's website, where we will find:
"Aluminum (T7) or chromemoly pushrods (EZ-Install type) are available to match any of our camshafts. Aluminum pushrods are lighter while the chrome-moly steel pushrods are more rigid for high performance."
I would use T7 ones myself, except in an extreme case.
It is all a compromise down to the last period.
For stock springs low lift cams, most anything will work.
As soon as you trespass that marker everything else changes too.
As is so often the case with queries like this, it is well worth visiting the manufacturer's website, where we will find:
"Aluminum (T7) or chromemoly pushrods (EZ-Install type) are available to match any of our camshafts. Aluminum pushrods are lighter while the chrome-moly steel pushrods are more rigid for high performance."
I would use T7 ones myself, except in an extreme case.
If the chromemoly are EZ Install, and the other are not, that would make a big difference in my selection. Not sure if that is what is being stated, but I would want to know for sure.
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