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Hey all,

Finally after 10 years off the road, the '71 Road Runner is going back together. Most know I've run a 440-6 in the '71 since the late '80's.

I am strongly considering putting in a MP 528cid, 640HP Mopar Performance crate engine. The book says it's assembled by Ray Barton. Anyone have any experience or feedback on this engine or Barton assembled stuff??????

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The key point in your question is who is building the motor. In the past Barton wasn't building them all. If Barton builds the motor you will have a great running piece. But if it is built by somebody else you will be very disappointed.
I would call Barton and ask him if he is building all the MP528 crate motors.