Rod/Piston weight matching
#1
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Rod/Piston weight matching
/I've got a set of supertechs which all weigh the same except for one which is 1.5 grams heavier than the rest.
I've got a set of rods where the lightest rod is 532.1g total, and the heaviest is 522.6g total. (Adding big end weight + small end weight since they are written on the box of each rod)
When I match a piston to a rod, should I be matching it to the small end weight or the total weight of the rod? The small ends are all within .5 of each other, but if I were to match the heaviest piston with the lightest rod (lightest total weight), the total weights would be damn near equal.
Which weights should I be matching, and how close should they be? If I don't need to match them perfectly I'd rather not take them all the way to my machinist to take some weight off. I don't have a scale or an efficient way of removing material. Right now all the piston/rod assemblies are within 1.6 grams of each other (total weight).
Opinions? Should I throw this together or should I match them perfectly? Empirical data is appreciated aka "I tried this and its been fine for x amount of time"
I've got a set of rods where the lightest rod is 532.1g total, and the heaviest is 522.6g total. (Adding big end weight + small end weight since they are written on the box of each rod)
When I match a piston to a rod, should I be matching it to the small end weight or the total weight of the rod? The small ends are all within .5 of each other, but if I were to match the heaviest piston with the lightest rod (lightest total weight), the total weights would be damn near equal.
Which weights should I be matching, and how close should they be? If I don't need to match them perfectly I'd rather not take them all the way to my machinist to take some weight off. I don't have a scale or an efficient way of removing material. Right now all the piston/rod assemblies are within 1.6 grams of each other (total weight).
Opinions? Should I throw this together or should I match them perfectly? Empirical data is appreciated aka "I tried this and its been fine for x amount of time"
#2
https://www.miataturbo.net/engine-pe...ce-rods-65019/
I think soviet didn't weigh his pistons, I think he just bolted it all together.
I think soviet didn't weigh his pistons, I think he just bolted it all together.
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