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Car Forum / Antique and Collectibles / Studebaker / September 2005Cloverleaf engine question
Were Cloverleaf engines bare blocks, or were they factory short blocks, or other?  SignatureLark Parker I think they were built by Leprechauns Ray > Were Cloverleaf engines bare blocks, or were they factory short blocks, or > other? Evidently Leprechans do not know how to fit piston rings or set crankshaft end play. SignatureLark Parker > > Evidently Leprechans do not know how to fit piston rings or set crankshaft end > play. What do you expect outta the little buggers? <g> Ray All the above would seem to fit the bill, as I've seen them in the crate either, or. Found a complete engine one time, minus intake, water intake, and fuel pump. Bo > Were Cloverleaf engines bare blocks, or were they factory short blocks, or > other? Heavy duty factory engines and replacement short blocks for trucks. Theres no mention in the car parts book that I can find discussing "cloverleaf engines." Factory Installed engines would have a 5E(259) or 6E(289) engine number plus a cloverleaf. Details are in the truck parts book, on the serial # page and the engine parts page dealing with blocks, stripped engines(long blocks I6's only) and short blocks. > Were Cloverleaf engines bare blocks, or were they factory short blocks, or > other? > Heavy duty factory engines and replacement short blocks for trucks. Does it say what made them "heavy duty"? -Dick- I asked about cloverleaf engines a year or two ago as I have a never-been-fired cloverleaf short block. It has the aluminum timing gear, chrome rings, and (supposedly) heavy duty bearings. I always thought they came just as complete engines, but apparently not. Studebaker George > I asked about cloverleaf engines a year or two ago as I have a > never-been-fired cloverleaf short block. It has the aluminum timing > gear, chrome rings, and (supposedly) heavy duty bearings. I always > thought they came just as complete engines, but apparently not. > Studebaker George Do you know what would constitute "heavy duty bearings". Are they larger (wider) than stock or made from a different matierial? If a different material, what would it be? Thanks, -Dick- Dick, The heavy duty bearings are a different material. Articles I have read say they are a heavy duty trimetal composit of aluminum and copper lead composition. Jack jack...@highland.net wrote: > Dick, > [quoted text clipped - 3 lines] > > Jack Thanks, Jack. -Dick- As far as I know the cloverleaf engines were checked to be used as R series engine blocks for uniformity of wall thickness and other blueprint specs but were used for replacement HD engine blocks if you ordered one. My brother has one that has other HD parts but I could not tell you if it came that way. Wiz > jack...@highland.net wrote: >> Dick, [quoted text clipped - 8 lines] > > -Dick- Mr Wizard, There were cloverleaf engines decades before the R series were concieved. > As far as I know the cloverleaf engines were checked to be used as R series > engine blocks for uniformity of wall thickness and other blueprint specs but [quoted text clipped - 17 lines] >> >>-Dick- "#These engines and blocks are equipped with heavy duty main and connecting rod bearings and chrome faced top piston rings. Part No.s 1686288, 1687546 and 1553053 also include aluminum camshaft timing gear. Note- All heavy duty engines can be identified by the cloverleaf symbol stamped on the engine number pad." From bottom of page No. 16 1957-61 Truck parts book section 0100 Engine Assembly >>Heavy duty factory engines and replacement short blocks for trucks. > > Does it say what made them "heavy duty"? > > -Dick- That sounds right. I did see one in a 62 wagon many years ago. Wiz. > "#These engines and blocks are equipped with heavy duty main and > connecting rod bearings and chrome faced top piston rings. Part No.s [quoted text clipped - 10 lines] >> >> -Dick- If I remember correctly, the cloverleaf engines are replacement service engines, only and are so identified. Production line models (in trucks at least 57 on) will have a seial number such as 5EXXXXX, or 6EXXXXX stamped into the boss. Bo |
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