Newbie Question: Roller Lifter Orientation - Hot Rod Forum : Hotrodders Bulletin Board
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Old 01-30-2005, 10:39 AM
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Newbie Question: Roller Lifter Orientation

I need to confirm that the side of the lifter that has the little triangular notch faces the piston, and that the lifters don't need to necessarily go back in their original holes as non-roller lifters do since rollers don't wear to the cam. I'm pretty sure these are true, but I'm having a hard time finding confirmation.

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ESteveK

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Old 01-30-2005, 10:46 AM
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I don't know what triangle you are talking about. Maybe that is a brand specific deal. I can tell you that you are right you do NOT have to put them back on the same lobes. They do not "mate" with a cam like a flat tappet.

Royce
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Old 01-30-2005, 10:50 AM
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Not sure on the triangle either, but if it is a retrofit type lifter, the link bars face each other, opposite the piston.



Ed www.edgesz28.com
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Old 01-30-2005, 08:48 PM
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Thanks for the replies. With respect to the triangular notch, I guess that's a characteristic of Ford roller lifters.
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Old 01-30-2005, 08:53 PM
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While it is true that you do not HAVE to put them back in the same hole.........

I am old school......and mark them...so they go back in the same lifter hole...

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Old 01-30-2005, 09:25 PM
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roller lifters

I go with the Duece on that one.
If those are Ford Roller lifters, I would just give your local Ford dealer a buzz and find out about the triangle.

Call and ask for either the parts department or the service department.
Better yet, grab a shop manual like a chiltons or Hanyes and go from there. Those manuals will cover a wide variety of years of a specific model vehicle. Im refering to the paper bound versions rather than the hard bound.
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Old 01-30-2005, 10:03 PM
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Thanks again for the replies. Hotrodders.com is really the best.

Putting each lifter back in the original bore was my plan. When I took them out, I put each one in a separate compartment of a specially made box. Unfortunately, the box got knocked over and the lifters went flying. In hindsight, marking them would have been a better idea. Lesson learned.

Calling the service department is a good idea. I'll try that tomorrow. I'm using a Haynes manual now. Unfortunately, it falls down in describing the roller lifters. All of the pictures in the book are those of non-roller lifters.

Thanks

ESteveK
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Old 02-06-2005, 09:11 PM
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One service shop said the lifters can physically only go in one way. I checked that out and it proved to be wrong. Except for the notch, the lifters are symetrical.

Another service shop agreed immediately that the notch had to face the piston cylinders.
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