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Old July 21st 2015, 08:07
effvee effvee is offline
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Aluminum Push Rods

Good morning, I noted on the Thorsten site they offered a tapperd aluminum push rods. The expansion rate of aluminum,being used along with my aluminum cylinders. My question is would these push rods help with adjustments?

Last edited by effvee; July 21st 2015 at 08:15.
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Old July 23rd 2015, 22:56
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SuperRSi SuperRSi is offline
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As I am now building a 80X102 with Nickies, I have the same question!
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Old August 10th 2015, 07:50
exportbug exportbug is offline
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For more information: www.tp-technologie.de
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Old August 10th 2015, 08:21
effvee effvee is offline
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Hi,does anyone know the expansion rate for the aluminum cylinders. If I were to use aluminum push rods, I think it would be double the clearance, at operating temperature?
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Old August 11th 2015, 00:10
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Exportbug are you posting that for a TP contact or is there some information we are looking for there somewhere?
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Old August 17th 2015, 05:00
exportbug exportbug is offline
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Quote:
Originally Posted by SuperRSi View Post
Exportbug are you posting that for a TP contact or is there some information we are looking for there somewhere?
I post it, because if someone needs more informations.....greetings Thorsten Pieper
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Old September 23rd 2015, 06:54
70Turbobug 70Turbobug is offline
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With cylinders,case and heads made of aluminum the expansion of the components are identical. All aluminum no matter what alloy expands and contracts at the same rate. As does steel and iron at the same rate. Aluminum expands greater than steel/iron. So with aluminum pushrods you can actually run a tighter valve lash clearance if the rest is also aluminum. With steel/iron cylinders you need more clearance because the aluminum expands greater and faster.

-Mark
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Old September 24th 2015, 21:04
effvee effvee is offline
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Having slept on it, now I've learned that
with aluminum valve covers and the aluminum pushrods your engine runs quiter. A quite running engine, is something that I want. Come on Christmas

Last edited by effvee; September 25th 2015 at 06:45.
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