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IH Silver Diamond Verses Black Diamond Engine


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  #1  
Old 01-26-2013, 10:31:32 PM
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Default IH Silver Diamond Verses Black Diamond Engine

Please refresh my memory. If I take a BD240 (Black Diamond) out of an IH truck, will a SD220 (Silver Diamond) bolt up the same?
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Old 01-28-2013, 12:31:28 AM
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Default Re: IH Silver Diamond Verses Black Diamond Engine

Yeap. They are basically the same.

---------- Post added at 10:31 PM ---------- Previous post was at 10:29 PM ----------

You can also go with the BG series engines which have the better head.
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Old 01-28-2013, 10:35:12 AM
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Default Re: IH Silver Diamond Verses Black Diamond Engine

Thanks. That's what I thought but I wanted to be sure before the swap begins.
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Old 01-30-2013, 03:16:17 PM
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Default Re: IH Silver Diamond Verses Black Diamond Engine

Except the SD 220 is 220 cubic inches and the BD 240 is larger.
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Old 02-05-2013, 03:51:10 PM
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Exclamation Re: IH Silver Diamond Verses Black Diamond Engine

The SD also has poured bearings. If you plan to use at highway speeds, a more modern engine might be in order. When used in the L series trucks (110 & 120 '49 to '52), 45 MPH tops! Late '52 to '55, you would get 50 MPH out of them, until the internal resonant vibrations broke the exhaust valves. The later GD series '55 and later), was a better engine - modern bearings and an updated valve train.
Andrew
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Old 02-06-2013, 01:10:49 AM
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Default Re: IH Silver Diamond Verses Black Diamond Engine

Are you sure the SD has poured bearings? The Green Diamond has inserts and it predates the Silver diamond. Here is a web site with great info.
http://www.binderplanet.com/forums/s...ad.php?t=45980
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Old 02-06-2013, 12:19:11 PM
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Default Re: IH Silver Diamond Verses Black Diamond Engine

I checked out the Binder web site. It does have good info. We have a 1956 S-130 with a bad BD240. We located a 1953 R 130 with a good SD 220 engine for the swap. We are going to leave the truck in it's barn clothes and just use it for short runs.
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