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@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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