[Fot] TR4 lifter source

[Tony Drews]

We tested some from BPNW years ago and they were fine as far as 
hardness.  I run their lifters.  However I can't buy their 
"performance" onces because someone has decided to grind a bevel 
around the outside edge, reducing the diameter running against the 
cam.  If you run a cam that doesn't require full diameter those are 
OK too, though.

Tony Drews

At 10:24 AM 12/31/2014, toodamnfunky at comcast.net wrote:
>I'm beginning an engine rebuild and Ken G is out of " good" lifters. BPNW has
>lifters and claim they test every batch. This from their website.
>Any feedback on lifters would be appreciated.
>Jim g
>B
>
>These are Heavy Duty Tappets (lifter) for a Triumph TR3, Triumph TR4, Triumph
>TR4A. They are lightened and have an extra oil drilled in the side for extra
>lubrication. Every batch of tappets are tested when they arrive from the UK.
>Each tappet will have a minimum hardness of Rockwell 54. The industry standard
>is 50 for tappets. We have never had a bad batch of tappets like other
>companies and never will because of our dedication to dealing with only
>quality suppliers.
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