[Fot] Re TR4 camshafts

John Styduhar johnstydo at gmail.com
Mon Oct 23 13:48:55 MDT 2017


​Follow the instructions for setting the cam and you will be fine.  An
adjustable cam sprocket will make the job easier.

On Mon, Oct 23, 2017 at 11:54 AM, riverside--- via Fot <fot at autox.team.net>
wrote:

> Yikes!   I  have always had great success with Dema's cams.
> I hope his shop survived the fires.
>
> art de armond
>
> -----Original Message----- From: patrickmannion1--- via Fot
> Sent: Saturday, October 21, 2017 5:11 PM
> To: fot at autox.team.net
> Subject: [Fot] Re TR4 camshafts
>
> Hello all,
> I have always nearly always built Triumph TR4 engines with cams from Dema
> Elgin Superlobes in Santa Rosa. Occasionally I had installed other cams
> supplied by customers that had a valid timing card supplied. I decided with
> the English pound being low vs the Dollar I would try the PH1 Cam from
> Newman Cams in England. I had heard good things about their PH1 cam as
> being a great street cam.
>
> When installing the cam. Information on there website stated peak cam lift
> was .295" (it is only .220") resulting in a lift at the valve being .120"
> less than stated. Starting off with" incorrect lift figure all valve event
> figures on the website are wrong. After several emails I got a two sentence
> email saying ,set Intake for max lift at 110 degrees ATDC and the cam will
> work,
>
> After doing lots of engine modifications I would like a more scientific
> answer than the cam will work. Has anyone used this cam or a Newman cam
> before, or found that the information supplied by Newman was incorrect. I
> hate to eat the cost of the camshafts I bought or incur the cost of sending
> them back to England, but I would have no confidence in using a camshaft
> without having a correct timing card for the camshaft. -
> thanks
> Pat Mannion
> Santa Cruz California
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