Richie..... ..congrats on yer new-to-you 2N. Shermans were dealer installed and the first were OverDrive, next came the rare UnderDrive that unfortunately used the same "L" type shifter. And lastly came the more common and desirable 3-speed combo with doglegged "S" shifter lever. Since it is extremely difficult for neubies to judge tractor speed, you haffta depend upon shifter lever placement to help you determine iff'n OD or UD. Lever FORWARD is straight-thru, lever AFT is shifted. (whether OD or UD, aft is shifted) Now then, when yer Sherman lever is shifted AFT, are you doing faster or slower??? 3) extra gaskets ain't goin' to seal yer eroded block. While J&B Weld is good stuff, there is BETTER hi-temp puckey. Go to good autoparts store and shop, then do the following. DRILL some 1/8" blind holes to hold the thin skim of puckey like rivets. Figger-out how to WEDGE or clamp a flat board TIGHT against yer puckey-patch so you don't haffta do "machine-shop grinding" for flush fit. The flush board will also fight gravity. Protect the board with wax so nuttin sticks to it. (wax paper, plastic baggy) NOW puckey away and clamper tite, cure for 24hrs. Simple, eh?..... ...Dell PS..... NO sealers on gaskets, torque BRASS studnuts to 27-ft/lbs, muffler clamp thickside DOWN
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