Mopar 440 Engine Serial Numbers4/14/2021
I have spent the last 3 12 years building a 6 12 model af a Potomac River Dory Boat thet will be RC.The engine and gear were painted the correct Chrysler color with 13 reproductions of the 330 valve cover decals.Can anyone tell me what the engine model plate numbers were for the M-440330hp.I have found part of the numbers in an old service book for a M-440300hp.
Mopar 440 Engine S Mac River DoryThe tag is on the back of the motor and should look like this. MODEL TYPE SERIAL M440WR19 EO9615 PART NUMBER mANY MANY THANKS TO ANYONE WHO CAN HELP. If you can get me a good pictures and dimensions it would be greatly appreciated Thanks, Steve. I have twin 440s one was rebuilt wonderfully by a true old school mechanic but he died before getting to the other (might have been his relentless pursuit for perfection.) Can anyone help. ![]() We have compiled a list of the casting numbers for both the cylinder heads and engine blocks, to be used as a reference when searching the junkyard. Mopar 440 Engine S Series Cylinder HeadsThe A-series cylinder heads featured polyspheric (not hemispheric as found in the FirePower engines) combustion chambers, which led to them being referred to as Poly engines. It came in 277 cubic-inch, 301 cubic-inch, 303 cubic-inch, 313 cubic-inch and 318 cubic-inch displacements, along with a Dodge-specific variant measuring 325 cubic inches, but called a 326. Available in 350 cubic-inch and 361 cubic-inch variants at first, there were also 383 cubic-inch and 400 cubic-inch B-series engines. They shared most of their architecture with the RB-series, but with a shorter 3.375-inch stroke. Both the B and RB-series engines featured wedge-style combustion chambers. The 426 Wedge was Chryslers main performance engine until the 426 Hemi came on scene. The iconic Mopar performance engine only existed in a 426 cubic-inch displacement in production vehicles, and is probably the rarest of any on this list. The first would be on the top of the intake runner, under the valve cover. The second location is on the underside of the intake runner on the cylinder head. ![]() That number is the last eight digits of the Vehicle Identification Number. When identifying the block, you want the raised seven-digit number, not the stamped eight-digit number. In this case, 3698330 an RB-series 440 cubic-inch block, cast June 28, 1973. Greg has spent fifteen years and counting in automotive publishing, with most of his work having a very technical focus. Always interested in how things work, he enjoys sharing his passion for automotive technology with the reader.
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