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07-05-2010, 01:38 PM
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seperating pistons from the rods
hello,
im tearing apart an old 350 i just got and i cant figure out how to get the pistons and rods apart. do i just need a little more elbow greese or is it something i have to take to a shop? thanks 
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07-05-2010, 02:15 PM
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They press on and off. This is best left to a shop to perform. They are pressed off with a high tonnage press and placed back on with the rod heated in a oven to expand it. The shop also makes sure the piston orientation is correct on the rod. I also hope you numbered the rods upon removal. If not you`ll have to ask the shop to orientate them for you upon reassembly.
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07-05-2010, 02:18 PM
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machine shop.
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07-05-2010, 02:23 PM
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machine shop
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07-06-2010, 08:18 PM
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Hack saw, matches, and an apple. Wait, what are we talking about?
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07-06-2010, 08:29 PM
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If you don't plan on re-using the pistons and you have access to a hydraulic press, you can press them out cold. If I knew I'd be boring-out the block, I'd do as much as possible to keep labor costs down at the machine shop. Luckily the place I worked at, had a press to use. As mentioned earlier, hopefully you marked the rods/caps and main caps, before removing them.
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