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  #16 (permalink)  
Old 10-25-2012, 04:42 PM
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Originally Posted by painted jester View Post
A lot of young hot rodders and enthusiasts think roller cams are a new innovation! Jester
I haven't been able to pin down the first automotive roller cam. I know the first automotive hemi was the 1912 Peugeot Grand Prix motor.

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Old 10-25-2012, 05:38 PM
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Originally Posted by techinspector1 View Post
I haven't been able to pin down the first automotive roller cam. I know the first automotive hemi was the 1912 Peugeot Grand Prix motor.


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Old 10-25-2012, 08:46 PM
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Old 10-26-2012, 06:14 AM
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Originally Posted by painted jester View Post
This has nothing to do with the tread : I ran roller cams back in the 1960s, and my father did in the 50s!! With Zddp!!! A lot of young hot rodders and enthusiasts think roller cams are a new innovation! LOL

Jester
rollerized lifer cams or rollerized cams.. that ran in roller cam bearings?
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Old 10-26-2012, 07:03 AM
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Originally Posted by painted jester View Post
A lot of young hot rodders and enthusiasts think roller cams are a new innovation! LOL

Jester
That IS funny. Roller cams were factory original on H-D, going at least as far back as the '20s.

For that matter my '64 Panhead had a roller cam/lifters. Hydraulic, at that.


Aftermarket hydraulic roller lifters for '53-up H-D. Note how large the roller is.
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Old 10-26-2012, 03:49 PM
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Originally Posted by E.Furgal View Post
rollerized lifer cams or rollerized cams.. that ran in roller cam bearings?
Are you asking a question you need an answer for? Because the difference is very simple ! (I never heard of rollerized cams!) I have used rollerized cam bearings and the last ones I installed the block machining for it was $700.00! A little expensive for most people and not needed for most engines the lead Babbitt bearings work well enough !unless you want extended life for race type abused engines or industrial engines that run 24 hrs. a day 365 days a year ! When you say "roller cam' its understood by most engine builders and cam co.'s that your talking about a cam ground and designed for roller lifters! Usually an engine builder uses rollerized cam bearings after many Babbitt bearing failures! Or is running them to head them off On very expensive engines!

I hope this answers your question

Jester
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