Anyone have weights for stock LS3/L92 pistons?
#2
I have some in a box here somewhere, I installed some Mahle 4.070" pistons in mine to repair a scuff in the bore. Mahle also sells a stock bore piston, i paid $650 for mine with rings. If i remember I'll weigh one tomorrow after work
#4
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Going with a forged piston over stock hyper pistons will be a significant weight difference.
If the stockers are over 600 like someone suggested, forged pistons will be significantly lighter.
Unless you can find something dead nuts the same or +/- 10g, I wouldn't install them without balancing.
Inadvertently, I ended up with pistons 65g lighter than stock in my ls1 without balancing, and It hammered itself to death in 1k miles.
If the stockers are over 600 like someone suggested, forged pistons will be significantly lighter.
Unless you can find something dead nuts the same or +/- 10g, I wouldn't install them without balancing.
Inadvertently, I ended up with pistons 65g lighter than stock in my ls1 without balancing, and It hammered itself to death in 1k miles.