It'll look something like (caution, going totally from memory here) "HW340 R 3650 1234" where H is the series (not 100% sure on this, but H should be 1972), W=Windsor assembly plant, 340=340 (duh), R=regular fuel, 3650=10,000-day calendar date that the engine was BUILT, and 1234=the 1,234th engine built that day. The numbers for the ENGINE are stamped on the driver side of the block, right under where the head mounts. Decode our VIN code Mopar VIN Decoder will decode most US built Chrysler. To get the ACTUAL assembly date for the ENGINE, you need to look at the front of the block on the machined face. Get a 1971 Engine Codes Code: Application: Displacement: Compression. It looks like it came from the 1,657th car down the line, which would agree with the very early casting date for the engine. If the last three digits are 3-1-8, its a 318. As pictured with the micrometer, the piston measures a bit over 4, which specs show to be standard bore of 4.04. SHARE POST 2 wrenchbender54 Member from west central Wisconsin Look on the side of the block, right under the exhaust manifold. Ive owned this engine in present state for 16 years. next day delivery flowers Careers mopar 340 block casting numbers. Casting s are the following Heads X heads 25318-70 2.02 1.60 valves Block 27809-73. 2=72 model year, B=Hamtramck assembly plant (for the car), 201657 is the sequential number for the particular car. OPTUMRx Payer Id: 65241 Mailing Address P When you register on OptumRx However. That's the partial VIN on the pan rail, the 2B201657 are the last digits of the VIN for the car it came from. The block was cast 6/15/71, but it's a 72-model year engine. What does the 5 mean at the end of the casting number after the 340-? I also found the serial number of the block which is 2B201657. (A number 4 near the front and one near the rear of the block.) I know the engine was made on 06-15-71. Hellcrate 6.2L Supercharged Crate HEMI Engine. R-10 -.I have a 340 engine dated 6-15-71 casting number is 2780930-340-5 It has two large number 4's stamped on both sides of the block. Put a factory-engineered Mopar performance engine under the hood, and youll instantly take. M-2-3 -#2&3 Main bearing journals undersize. the decoding sites but no joy The plate below the white sticker and bar code has the numbers. 008" oversize lifters.ġ965- 67: Maltese Cross-. Engines, Exhaust and Fuel systems - Engine decode 340 /360. X & Maltese Cross or B-.010" undersize crank journals. 008" oversize lifters.ġ964: Maltese Cross. X & Maltese Cross-.010" undersize crank journals. SP- Special police carsġ963: LC- Low comp. X & Maltese Cross-.010" bearing undersize.
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