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240 connecting rods

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Old 04-07-2011, 10:47 PM
troy's66customcab troy's66customcab is offline
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240 connecting rods

OK i bought a set of refurbished connecting rods for my 66 240. should i have the rods balanced since I'm sure they didn't come from the same engine or does this matter?
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Old 04-07-2011, 11:12 PM
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I would recommend taking them to a machine shop and have them reconditioned.
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Old 04-08-2011, 12:14 AM
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If you're going to keep it, I'd have it balanced. Take the pistons too.
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Old 03-31-2012, 02:38 PM
seattle smitty seattle smitty is offline
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Yup! You don't want to put an engine together and find that the rearview mirror shivers in certain rpm ranges. A slight imbalance at 4500rpm can amount to hundreds of pound of force, beating your bearings, ripping up your motor mounts, cracking various things. An inline six can be made to run very smooth, if you're willing to spend the money and//or do the work. Fortunately, Ford Big Six crankshafts have been found to generally be rather well-balanced from the factory, so you could save money there. But you definately want to get your rods balanced end-for-end, and the pistons, and most definately the flywheel, if you have it reground. I went the cheap route (no balancing) a few times when I was young, but the third one shivered the mirror, and fasteners wanted to back out. Now I get complete balancing jobs done (incl. Big Six cranks); expensive, but worth it to me.
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Old 03-31-2012, 06:09 PM
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What Herr Schmidt said X2.
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