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MID-LIFT Advanced Rocker Arm Tech, by Jim Miller: Shattering the Myths of Rocker Arm Geometry, Cam Selection & Cylinder Head Integration

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Description

A pioneering professional’s comprehensive insight to the previously confidential world of precision rocker arm design and application to Over-Head Valve competition engines. Written by the founder of the Patented MID-LIFT roller rocker arm geometry for internal combustion engines, and color Illustrated, Jim Miller explains the critical elements of valve train design and system integration with in-depth tech and terminology defined for pro and novice alike.Jim Miller has over 40 years in the high performance racing world as an engine parts developer and manufacturer for all forms of professional and amateur racing, who holds four valve-train patents. He is a pilot; an avid aviation enthusiast; and a hands-on domestic and international manufacturing engineer. He has been a published technical automotive, truck and motorcycle editor, writer and photographer since 1975. MID-LIFT.com has provided valuable insight and products to racers and engine builders from around the world, since 2003, where it continues today. (Retail: $87.50 U.S.) Read more

Publisher ‏ : ‎ JM Miller


Publication date ‏ : ‎ March 10, 2016


Language ‏ : ‎ English


Print length ‏ : ‎ 180 pages


ISBN-10 ‏ : ‎ 0692595295


ISBN-13 ‏ : ‎ 99


Item Weight ‏ : ‎ 1.13 pounds


Dimensions ‏ : ‎ 8 x 0.43 x 10 inches


Best Sellers Rank: #5,162,841 in Books (See Top 100 in Books) #1,055 in Automotive Racing #1,478 in Classic Cars (Books) #2,159 in Automotive Engineering (Books)


#1,055 in Automotive Racing:


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Top Amazon Reviews

    • A MUST HAVE for any SERIOUS OHV Engine Builder
Format: Paperback
A MUST HAVE for any SERIOUS OHV Engine Builder. This "Advanced Rocker Arm Tech" book, goes FAR BEYOND just a part of the valve-train on America's traditional Overhead Valve Engines (not overhead cam). It covers pages and pages of "terms and definitions" first of all, so that the crazy world of engine building can be understood without having a degree from MIT (and even those guys will find terms here, common over the years since the 1950s, which they won't learn in College). Secondly, it expands on Cylinder Heads and air flow formulas to select CAM LIFT and DURATION, which no one selling cams explains about heads; and no one selling heads explains about cams! Naturally, the rocker geometry is the heart of all this, because the rocker arm is what DELIVERS all this CAM information to the valves to make the heads work; and Jim goes to great, diverse lengths to explain how so much of the CAM information, which engine builders take great pains to decide on, is LOST by "over-arcing" rocker arms. Not just one side of the rocker, but BOTH sides. Something all the well known rocker companies (Jesel, T&D and others) never discuss or solve. Hence, Miller's MID-LIFT Patent. I see that one of the few people who rated this very niche world book compliments it in his review as "highly educational and enlightening," and then goes on at great length to diminish key points, and extrapolate his own misguided conclusions about what Jim's "methods" for applying the technology is all about. In summary, he concludes that only professional engine builders with all new parts and no limits in budget or design can make use of this book. The other reviewer of this book goes on to say "if you are building a GM LS engine, which does not have adjustable valve train in its stock configuration, you do NOT need this book to determine correct valve train geometry and pushrod length. Conversely, if you have this book, the LS builder would be advised to consult and use it, but at this price, I caution the buyer to consider their “street/strip” application and ask themselves if the cost is justified." AS I OPENED WITH, the amount of information in this book goes FAR beyond just "rocker arms," and it is FUNDAMENTAL information for integrating HEADS and CAMS and ROCKER ARMS into the final product. SIMPLE changes can be made to FIX bad rocker geometry, such as just pushrod length; not to mention selecting the correct cam. As far as the cost to value implications of this other reviewer go, who believes only a NASCAR level, MIT engineer can make use of the cost; one only needs to ask if they'd pay $70 or so, to fix a $2,000; $4,000 or $10,000 engine. Because even the "street" engines this other reviewer feels can't use this MUCH information, cost well over any of these values. Like they say, it isn't what you know that will get you, it's what you DON'T know; and owning this books solves a lot of the mystery too many high performance brands like to keep in the dark. ... show more
Reviewed in the United States on June 5, 2024 by j. Michael O'Hara
    • Valvetrain Geometry
Format: Paperback
Jim Miller goes into great detail on how to properly set up engine valve geometry. This book goes way beyond the felt tip marker approach. A must have for any engine person.
Reviewed in the United States on March 26, 2022 by David R Zappa
    • Interesting but not required for the majority of engine builders
Format: Paperback
I found the book highly educational and enlightening. My review and rating focus on the practical use of this book for the majority of users who are not NASCAR engine builders i.e., high sustained RPM usage. Miller spends a lot of time espousing that his method is the only viable method to determine correct valve train geometry. That is not correct or his methods and his book would be more popular and mainstream. Miller is certainly spot on that correct valve train geometry is required and complicated to arrive at. Miller is correct that many methods, including OEM approaches, are either not correct or inefficient. Miller’s use of geometry and trigonometry to determine valve train geometry are correct and well explained. However, Miller’s methods apply more to developmental engines where valve train parts are new designs and need to be designed correctly from the onset. Also, Miller’s book and methods apply to high sustained RPM race engines where valve train stability and max power are required e.g., NASCAR. Miller’s methods do not so much apply to common muscle car or import street engines where the user has assembled the correct (compatible) head and valve train components that are not a radical departure from tried and true combinations. For example, if you are building a GM LS engine, which does not have adjustable valve train in its stock configuration, you do NOT need this book to determine correct valve train geometry and pushrod length. Conversely, if you have this book, the LS builder would be advised to consult and use it, but at this price, I caution the buyer to consider their “street/strip” application and ask themselves if the cost is justified. It is hubris for Miller to claim that correct valve train geometry cannot be determine without strict adherence to his methods. That’s like saying no one understands geometry and trigonometry except Miller. Nonsense. I seriously doubt OEM engineers in today’s CATIA based design environment use Miller’s strict methods or even know about them. To put it another way, today’s OEM engineers know how to arrive at correct valve train geometry without Miller’s prescriptive method. If this book were more reasonably priced, which it is not, then a 2.5 star rating may be in order but to spin this book as “thee” one and only method to determine correct valve train geometry is like saying Tesla is the only one can build an electric car. It is not fair to say that the majority of engine builders don’t use Miller’s methods. It is fair to say that the majority of engine builders determine correct valve train geometry all day long without Miller’s book or even knowing who he is. Sorry Jim. ... show more
Reviewed in the United States on September 12, 2023 by Bryce Hawker

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