Hey, I happened to have the original "Chrysler Corporation Broadcast" sheet for my 1969 Imperial. The first 2 letters of the VIN are Y M under the heading car line, what and it was made at plant C. Would that happen to be Detroit? T.L. > Dear Sgt., > > This is the first time I've heard about the power steering pump. Thanks for > that tip. I am always seeing people advertizing cars claiming to have the TNT > package and I wondered how you could tell (aside from the obvious dual >snorkel, > which is easy to switch). > > Does this mean that if you have the larger diameter pulley you have a hi perf > engine? Is it possible someone could remove the dual snorkel, for whatever > reason? > > Last thing is, what was the special order designation? For Police use? Was >it > even more powerful than the "L" code?? > > Mark M > > FltSgt@xxxxxxx wrote: > > > Hola > > > > There are three items to look for when pondering if you have a regular >engine > > dressed up or the real thing. All 375 hp 440 engines came with dual snorkle > > air cleaners, Exhaust manifolds that curve upward before dumping down-ward > > and the power steering pump has a larger diam pulley with spokes. > > > > As the last thirty years have passed since MoPar issued the 375 hp engine > > many people have cloned the engine. The one item that gets over looked is > > the power steering pump. Either they can not find or they do not know of >the > > differance. Or the original wore out and a regular ( power robbing ) pump > > was replaced. > > > > As the word got around the 375 and 390 hp 6 pak exhaust manifolds became a > > looked for item 'cause the installment would mean a 3 hp and a 5 lb torque > > gain over the regular 350 hp OEM exhaust manifolds, on top of the gain that >a > > owner may have by going to dual exhaust. ( The same manifolds are on the >hot > > 335 hp 383's ). > > > > The last thing to check is the VIN. If you have a 1966 or 1967 the letter > > "J" = 440 and the letter "K" = spec order. For 1968 and newer the letter > > "K" = 440; "L" = 440 high perf and "M" = spec order. > > > > If you ever get to look at our 63 or 66 Le Baron you will see the dual > > snorkle air cleaner housing's , the hp exhaust manifolds and the large diam > > power steering pumps and valve covers with the word I-M-P-E-R-I-A-L and the > > VIN code states "J". > > > > Rodger & Gabby > >