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How can I tell intake push rods from exhaust push rods on the 348/409?

exhaust intake push rods
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How can I tell intake push rods from exhaust push rods on the 348/409?

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The exhaust valve push rods are longer than the intake rods on both the 348 and 409 engines. Back to the top Q: What size flywheel or flexplate did 348 and 409’s use? A: All w-motors used a 14 inch 168 tooth flywheel or flexplate. Back to the top Q: Were the 348 and 409 truck blocks a tall deck version? A: No, there was no tall deck block W-motor. Back to the top Q: What’s the easiest way to tell the difference between a 348 and a 409? A: The first thing that comes to mind and the most obvious is the dipstick location. 409 engines had the dipstick on the passenger side and 348’s had it on the driver side. This isn’t a fool proof method however as the oil pans are interchangable. The best way is by checking numbers. There is a block casting number on the back of the block. Use the casting number page to decode these. A more accurate way is by decoding the suffix code from the front of the block. These can be decoded by using the list on the suffix codes page. If the engine is out and yo

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