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Mod | | Forums66 Topics126,780 Posts1,039,295 Members48,100 | Most Online2,175 Jul 21st, 2025 | | | Joined: Mar 2008 Posts: 374 'Bolter | 'Bolter Joined: Mar 2008 Posts: 374 | I finally found the tranmission cover and inspection plate for my '46. Are these items installed with slotted screws or bolts, etc? Also, did these items originally get installed with gaskets or are they just installed 'metal to metal' to keep water splashes to a minimum. My service manual was of no help.  Are these items normally painted the same color as the transmission? Is the front inspection plate left shiny metal or painted a different color? See pics for reference. Thanks in advance fellow Stovebolters! Pic of cover and inspection plate Pic of cover and inspection plate 2
Last edited by Big Tee; 08/14/2013 3:48 PM.
| | | | Joined: Mar 2010 Posts: 10,059 Renaissance Man | Renaissance Man Joined: Mar 2010 Posts: 10,059 | Stove bolts Baby! I'm not sure which kind of captive washer they are. I think they are exterior star type.
1952 5-window - return to "as built" condition | 1950 3100 with a 235 and a T-5 transmission
| | | | Joined: Sep 2006 Posts: 2,393 Shop Shark | Shop Shark Joined: Sep 2006 Posts: 2,393 | I don't know exactly what kind of attachment a '46 would use for those covers, but my '50 uses slotted pan head screws, no washers. They are much easier to remove and remount with a long screw driver than trying to use a socket with extension. Less chance of over tightening and distorting the sheet metal too. Just my thoughts. No gaskets were used. I painted mine chassis black to prevent corrosion, but I do think a natural finish was stock. And yes, I know a stove bolt is slotted, but generally with a smaller head than a pan head.
Last edited by DrewP; 08/15/2013 8:10 AM.
Drew
| | | | Joined: Mar 2010 Posts: 10,059 Renaissance Man | Renaissance Man Joined: Mar 2010 Posts: 10,059 | Drewp, Are you saying a pan head screw has a larger head diameter than a stove bolt like those used for the tappet cover and the oil pan? I don't know what the pan head screw you are referring to looks like. Carl
1952 5-window - return to "as built" condition | 1950 3100 with a 235 and a T-5 transmission
| | | | Joined: Feb 2002 Posts: 12,029 Cruising in the Passing Lane | Cruising in the Passing Lane Joined: Feb 2002 Posts: 12,029 | screw head shapes, different types come in a range of head sizes but what you're talking about is not the "transmission inspection cover" [center floor pan inside cab] it's the bellhousing dust cover or sometimes called a clutch cover, and any fasteners I've ever seen there had bolt heads, not screw heads Bill | | | | Joined: Feb 2002 Posts: 12,029 Cruising in the Passing Lane | Cruising in the Passing Lane Joined: Feb 2002 Posts: 12,029 | well we all know that after 50 years there's no telling if any fasteners on a particular part are 'original', especially on something like the inspection cover, which in many cases is missing altogether ... I'd use whatever works, but if the goal is a show level resto, then the assembly manual or pictures from a shop manual should provide the answer
Bill | | | | Joined: Sep 2006 Posts: 3,597 'Bolter | 'Bolter Joined: Sep 2006 Posts: 3,597 | | | | | Joined: Mar 2010 Posts: 10,059 Renaissance Man | Renaissance Man Joined: Mar 2010 Posts: 10,059 | My question now is, are the oil pan and tappet cover screws stovebolts? If not, then why do they call these engines stovebolts?
1952 5-window - return to "as built" condition | 1950 3100 with a 235 and a T-5 transmission
| | | | Joined: Feb 2002 Posts: 12,029 Cruising in the Passing Lane | Cruising in the Passing Lane Joined: Feb 2002 Posts: 12,029 | the sheet metal fasteners look[ed] like 'stovebolts' on the early engines - true stovebolts are bolts [with square nuts], not screws .... and why the engines are called stovebolts is lost in the mists of time  Bill | | | | Joined: Sep 2003 Posts: 200 Shop Shark | Shop Shark Joined: Sep 2003 Posts: 200 | My '51 had slotted screws (stovebolts) with external star washers at all the mentioned locations. Mark
1951 Chevy 3100 Some days you get the bear. Some days the bear gets you.
| | | | Joined: Mar 2008 Posts: 374 'Bolter | 'Bolter Joined: Mar 2008 Posts: 374 | Thanks for all of the information fellas. I went with the slotted screws and am super happy the factory had the foresight to put 'access holes' in the crossmember to tighten the two screws closest to the back of the truck. I also made a cork gasket for the bottom half. See pic. Pic of two piece trans cover | | | | Joined: Mar 2010 Posts: 10,059 Renaissance Man | Renaissance Man Joined: Mar 2010 Posts: 10,059 | Anyone have pictures of early engine with actual (in appearance) stove bolts on them?
1952 5-window - return to "as built" condition | 1950 3100 with a 235 and a T-5 transmission
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