Need to replace push rods?

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Jul 19, 2009 | 11:43 PM

Qiken

Thread Starter

Racer

Joined: Sep 2005

Posts: 449

Likes: 1

From: Victoria

Need to replace push rods?

Soon to install zz4 camshaft and 1.5 comp cam roller's in 89 with 75,000. Do I need to replace the push rods as well as valve springs etc.
Installation sheet say's if you dont change you will void warranty,its just I have not read here when other's have fitted new rockers they have changed out there push rods as well.
Also What are the oem spec's of the standard pushrod length/dimentions?

Jul 20, 2009 | 03:20 AM

rodj

Le Mans Master

Joined: Aug 2000

Posts: 8,838

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From: Australia

So long as your staying SA and not installing "proper " guide plates, no need.
Stock SBC roller pushrods are 7.200

Jul 20, 2009 | 07:17 AM

Qiken

Thread Starter

Racer

Joined: Sep 2005

Posts: 449

Likes: 1

From: Victoria

Quote:

Originally Posted by rodj

So long as your staying SA and not installing "proper " guide plates, no need.
Stock SBC roller pushrods are 7.200

Thanks Rod.

Jul 20, 2009 | 12:19 PM

lt4obsesses

Le Mans Master

Joined: Dec 2006

Posts: 5,139

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From: H-Town Texas

Push rods are pretty inexpensive, even the hardened ones. I can't think of any reason not to replace them while your in there.

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