Re: Loose Wrist Pin In Rod
Shops, as I remember, use a stove to heat the small rod end to cherry red, then insert the rod while hot, into the piston and press the pin in place using a small hydraulic press. If the tech wasn't watching the pressure gauge, he/she would never know the 'force' used to press the pin in place.
My thought is the Pontiac block, same cylinder on both rebuilds, or a faulty piston rod, as in overheated and has taken a different dimension since then, hence the looseness.
Maybe the professional engine builders will diverge their knowledge.
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