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Re: [Tigers] Aluminum heads recommendations

To: Cullen McCann <cmccann@lwpb.com>
Subject: Re: [Tigers] Aluminum heads recommendations
From: Larry Paulick <lpaulick@comcast.net>
Date: Wed, 04 Nov 2009 17:08:37 -0500
A full roller rocker, i.e. tip and fulcrum has several advantages, as 
mentioned cooler operation, and they can increase the rocker ratio, 
thereby giving a higher lift to the valves, without changing the cam.

Ford makes some very nice roller rockers, that are very affordable from 
Summit.

Larry

Cullen McCann wrote:

>hmmmm...well my understanding on the term "roller tip rockers" is to imply
>that its not a full roller rocker but only the tip is roller. I have seen
>stamped rockers that looks similar to the factory rocker arms but have a
>roller tip....but do not have the roller fulcrum. I thought it was motivated
>as a lesser costly solution to a rocker arm that is more performance that
>stock...but not as much as the full roller. I could be mistaken....
>
>
>Cullen
>
>
>
>
>
>
>Cullen, Bugz and all:
>
>This issue of clearance with roller rockers came up when we were rebuilding
>my '67 289. I was talked into "roller-tipped rockers" as a viable solution
>to the clearance problem, and they certainly fit under the LAT alloy valve
>covers with no problem.
>
>But I have never heard these discussed on this list. Please excuse my
>ignorance, but can anyone run the pros and cons past me (an anyone else
>that's interested!) of these rocker arms, or is the only "pro" the fact that
>they fit?? They certainly work well enough so far. (About 10,000 miles...)
>
>Thanks guys,
>
>Dave
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