[Healeys] High Lift Rocker clearance issues

[Bob Spidell]

What is the effect of the higher lift (i.e. more torque, more high-end, both, neither)?


bs

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Bob Spidell         San Jose, CA        bspidell at comcast.net
'67 Austin-Healey 3000             '56 Austin-Healey 100M
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 -------------- Original message ----------------------
From: "Steve B. Gerow" <steveg at abrazosdata.com>
> Greg Wilkinson wrote:
> > 

> 
> They may have changed the design--they said if you rotate it through by hand
> and nothing interferes you're good to go.
> 
> The pushrods don't come close to rubbing. Their design offsets the rocker
> shaft to increase the ratio--I believe the rockers are nearly the same
> length overall.
> 
> They said exhaust valves on the Healey stand up fairly far so interference
> with the head is not generally a problem. They also said the majority of the
> Healey sets they sell are 1.6s.
> 
> The only issues I encountered are a tight fit between the oil banjo and
> adjacent stud nut and the fact the banjo has to be shimmed with extra
> washers to provide clearance for the rocker's higher profile. This has the
> effect of requiring even more care with the banjo bolt to avoid stripping
> the threads in the hole.
> 
> Also happy to report no clearance issues with my Ray Juncal finned aluminum
> valve cover.
> 
> -- 
> Steve Gerow
> Pasadena CA
> 59 BN6