Non Corvette question about a 440 Chrysler

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Jun 11, 2011 | 10:53 AM

Milest

Thread Starter

Racer

Joined: Oct 2000

Posts: 405

Likes: 31

From: Houston, Texas

Non Corvette question about a 440 Chrysler

I have a 440 Chrysler in a boat that I am replacing the camshaft in. It is opposite rotation and I am getting a cam manufactured and retrofitting to a hydraulic roller system. I am only replacing the cam, due to some scarring on a lobe that I have had re-welded and ground twice.

My question is do I need to use special break in oil for the new roller cam and lifters? I am going to start using Amsoil Z-Rod 20-50 in both this engine and my 72 Corvette, and was about to order the oil.

Thank you,

Miles

Jun 11, 2011 | 01:04 PM

mrvette

Team Owner

Joined: Jul 1999

Posts: 65,492

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From: Orange Park Florida

The cam requires nothing special in the way of oil....being a roller....

Jun 11, 2011 | 01:21 PM

cv67

Team Owner

Joined: Oct 2004

Posts: 81,241

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From: altered state

St. Jude Donor '05

beauty of a roller, no break in or special oil required.

install set preload and go.

Jun 11, 2011 | 03:00 PM

Mike Ward

Race Director

Joined: Jul 2001

Posts: 15,892

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Quote:

Originally Posted by Milest

I am going to start using Amsoil Z-Rod 20-50 in both this engine and my 72 Corvette,

why such heavy weight oil?

Jun 11, 2011 | 11:51 PM

Imo Apita

Pro

Joined: Jan 2009

Posts: 576

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Why did the same lobe need to be welded twice? Something going on that may or may not be fixed by switching to a HR cam.

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