Category Archives: Engine

SD Engine Tune-Up

The gross HP of the SD-220 is 100, and the net HP is 90, both figures measured at 3600 rpm…which is also the maximum recommended rpm. Original spark plug recommendations were AC 45 Commercial, Champion J-8, or Autolite ┬áN-7, gapped … Continue reading

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BD and BG Engine Specifications

Engine specifications for the IHC BD and BG engine series. Model Number BD-220, BG-220 BD-240, BG-241 BD-264, BG-265 Number of cylinders 6 6 6 Bore 3-9/16" 3-9/16" 3-11/16" Displacement (c.i.) 220.5 240.3 264.33 Compression Ratio 7.5 to 1 7.5 to … Continue reading

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Part numbers and cross references for IH fuel pumps

IH FUEL PUMPS year engine model IH number AC Delco Carter-NAPA   GRD 109692HA 9501 M836 50-66 SD,BD,BG 84838R94 4459 M835   SV offset bowl   40375 M3405   SV inline bowl   40334 M2774   SV W/O filter 433114C92 … Continue reading

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SV Engine Specifications

Engine specifications for the IHC SV line of engines. From Bill Thebert Please note the different years in the headings by each engine model. Note that by 1979, for example, emissions equipment had reduced the HP output of the 4-196 … Continue reading

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Identifying an IH engine

Its fairly easy to find the id stamp on the IH sixes. Its stamped into a flat surface at the right front corner of the block just below the head and exhaust manifold. Might take a little work with a … Continue reading

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Cylinder Compression

Notes gleaned from several sources on OldIHC.org Cylinder Compression The following table shows the theoretical compression pressures for the various compression ratios. The pressure is given in pounds per square inch at cranking speed, which is approximately 125 to 150 … Continue reading

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Release of Light Truck V-304A Engine for Scout, D-Line, and Metro Models

SLM70-39 September 14, 1970 Following is a list of features incorporated in the V-304A engine used in the light-duty truck models listed above. 1. PISTON: A cast aluminum piston less the top ring groove insert. This type of piston is … Continue reading

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Engine Colors

We will try to keep a list of the best matching paint colors here for you. GRD engines: The closest color that I have found so far for the GRD is made for Ace Hardware. It is in their "Rust … Continue reading

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Engine Painting

Engine painting is not all that difficult.? Here are some simple instructions that we have found to be the best match.   By John Ligon… With regard to engine painting, I have had excellent results using the special family of high … Continue reading

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IH Oil Filters

Oil filter part numbers and cross references. Oil Filters year engine manufacturer mfrs p/n IH part number AC Delco Baldwin Fram Fleetguard NAPA Wix   FC,HD,GRD Deluxe JC 70 671H . JC-405 . LF-505 1011 51011   SD,BLD,BD Deluxe CU … Continue reading

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