As I noted previously; I have the same casting 413 running in my Satellite. I will elaborate a bit more on this. The block is 2658836, but the rotating assembly I put in it is from a 'regular' 413 with the 6-bolt crankshaft flange. Yes, the measurement from the rear main seal register to the crank flange is different, but that is because the flange is extended more outward from the block. This will be a problem if you are looking for a transmission to fit to the back of this crank. I did a search on the internet once for the application of these cranks and somewhere it was mentioned that these cranks were also found in early Max Wedge engines, but I cannot verify this and I still think that the problem would arise of getting a transmission to properly attach to the block and crank. The flange on the crank in the Industrial 413s I had was flush on the transmission side.
The block is essentially the same as any other RB, with the difference in the additional strengthening ribs on the sides of the block for the 2658836. That is why the casting number is on the top rear at the bellhousing flange. The ID pad on the front if the engine will be stamped similar to regular passenger car engines. The 413 in my Satellite is stamped G413, which makes it a '71. The other Industrial 413 I had a few years back was casting 1852029 and was stamped V41, which would have made it a '64 model year engine. The number was cast on the side of the block, as on regular RBs. The rotating assembly, however, was exactly the same as on my '71 413. This engine would make a nice MW tribute engine with almost all the markings for a 62 MW engine (AAQA on the front, 1852029 casting number), but the V41 would and single R cast on the front (not R2 or R3) would definitely rule it out as a correct engine.
The engine is most likely reverse rotation, with the rotation being different on the camshaft (not the crankshaft). Both the Industrial 413s I had, had the direct drive camshaft sprocket. I don't think that the timing chain was used on the Industrial engines until the 413 was replaced by the 440. The crankshaft is normal rotation, just the camshaft is driven directly by the crankshaft. There is no layout change between Industrial engines and regular engines to accommodate this sprocket and I can confirm that you can use a regular camshaft with timing chain etc. on this Industrial engine, too. Just strip the engine to the bare block and treat it as a regular engine during a build.
As for the casting number being the same for 413s and 426s; I suspect Chrysler having done the same for the 361/383 Industrial engine at some point in time. A guy here in Holland has a 69 Coronet 4dr, Original /6, which he converted to a 383. Casting number actually says it's a 361 Industrial engine. Since the 383 was also rebuilt at the time and bored to +0.030, I think that the 361 Industrial engines with the same casting number was cast with molds from a 383, but with the bore of a standard 361 to achieve a thicker cylinder wall thickness. I did not sonic check my 2658836 block, but perhaps someone can check this block to see what the cylinder wall thickness is and to verify if it is a 426 block, but with the bore of a 413. I did see a block for sale once with casting 2658836 and stamped as a 426. I believe it was on this forum, actually.
SuperFly TNT
