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06-27-2020, 09:03 PM | #1 |
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Join Date: Apr 2011
Location: Plainview, Texas
Posts: 757
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1936 LB rods?????
Hello, is the stock rod for the 36 LB engine 18-6200? I know they can be replaced by the 21A rods, but they are heavier, building a stock engine.
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06-27-2020, 10:12 PM | #2 |
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Join Date: May 2010
Location: Masterton, New Zealand
Posts: 3,816
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Re: 1936 LB rods?????
You are correct, I use the 21A or 91A rods in all my 21 stud rebuilds. I get all my engines balanced....
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06-28-2020, 02:21 AM | #3 |
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Join Date: Jul 2019
Location: Southern Oregon
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Re: 1936 LB rods?????
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The rod weight for the 18, runs 477 - 481G For the 21A its, 474.5 - 486.5G All the small end weights are nearly the same but, the 21A has a larger tolerance. The 48 rod, is lighter though at 462 - 468G. The weight difference on it, I believe is in the cap, itself. It's a little hard to read but, this is the actual Ford spec for those rods. I don't have the weight info for the 91 rod though, it appears that any increase in it's weight, would be do to weight of the cap, itself.
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Frank '35 Ford Model 51 '48 Ford F3 '54 Ford Tudor Mainline Last edited by frnkeore; 06-28-2020 at 02:26 AM. |
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