M & R Machine Shop
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Today, and always customers are the key to our success. M&R Machine Shop is equipped with high quality machines and years of experience to keep ahead of the competition. Owner Jason Myers has been an automotive machinist and engine builder for nearly 25 years. He and his wife Gloria purchased M&R Machine Shop in 2003.

Our strive for excellence and precision for our customers has brought us growth and success and the need to relocate our facility to better serve our customer's needs. M&R was relocated in 2012 to its current location at 406 Maple Ave Greencastle, Indiana, Our engine professionals take pride in machining your engine parts, or your entire engine with the highest quality in mind.
Reviews (7)
Dan Ritenour
Dan Ritenour
Jan 13, 2021
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I went to Jay to build a 500 HP 413 c.i. FE ford that rapped quick with great throttle response and I got exactly that and more. He listened carefully and worked with vendors to make my vision reality and ended up with 530 HP with more tuning to go. The car idles smoothly with power brakes and steering yet when it time to go, it runs like a scalded ape. I would reccomend M&R to anybody.
Jeremiah Bridges
Jeremiah Bridges
Dec 18, 2020
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Owner operator " Jay" and I have a long standing relationship spanning 2 decades of business history. He has always been honest pricing and completion in a timely fashion
Zach Stahl
Zach Stahl
Nov 15, 2020
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Positive: Professionalism
I own a diesel repair business and I have been using M&R for over ten years. The workmanship is outstanding and the quality of parts is the best available! I Highly recommend M&R machine shop.
Service: Engine building
Chad Buell
Chad Buell
Oct 02, 2020
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Positive: Professionalism, Punctuality, Quality, Value
I learn something new every time I go. Very knowledgeable and professional. Can’t beat the quality to price ratio, second to none. My go to every time!!
Services: Engine repair, Tuning
Rob Cook
Rob Cook
Sep 08, 2020
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Very knowledgeable about the work and products they sell. Definitely has all of my present and future business.
James Rogers
James Rogers
Aug 18, 2019
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I had a Kohler motor overhauled. Jay and his help were very kind and courteous. He gave me an estimate, tore into the motor, saw the problem and called me with the information. I have yet to run motor but I have nothing but confidence in the results. Would recommend .
Mike Rogers
Mike Rogers
Oct 20, 2018
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Done really good work on the rebuild of my engine. They were fast and friendly.