Keith,
I have a Babe Erson cam in my 69 TR6. I believe with the same specs,(almost
sure),with a shaved head 10 to 1, lightened flywheel,ZS carbs, headers, and
freeflow exhaust. it runs pretty nicely. I would agree that it is reasonable
at idle, and has plenty of power.
Phil Smith
TR6 Hot Rod
----- Original Message -----
From: Keith Ehrlich <kehrlich@bellatlantic.net>
To: <triumphs@autox.team.net>
Sent: Wednesday, May 03, 2000 1:14 PM
Subject: TR6 Head shaving
>
> Ok, the list got me through the great cam struggle. Thanks to everyone
> who was so patient with my questions-the three Michaels, Henry, Bobsta,
> Bud, Randall, Fred, the two Teds and some other of the usual suspects.
> Now I know enough to be dangerous to myself and others.
>
> BTW That story ends with my ordering a Babe Erson cam from Ken Gillander
> at British Frame and Engine. He's a very knowledgable guy. The so called
> "mild" specs are 287 lift at the lobe, 412 valve lift, net of .18 (!)
> lash, with 238 duration at 50 degrees. Overlap is 18. Sounded wild to me
> but I am assured it is reasonable at idle, and had plenty of power
> through the useful band.
>
> The new story is: as long as the head is off, I might as well, um, well
> you know.....
>
> I have two opening questions for those who are in the know:
>
> 1. There seems to be variying opinions over what the highest compression
> using garden variety premium gas the head can handle with reasonable
> timng advance. For example, BPNW recommends 8.8:1, Goodparts uses 9.7,
> Brit Frame and Eng said go for 10 but can be talked back down to
> 9.5-9.75 Ted Schumaker says go for 10. Given my new cam specs cam and
> its overlap, what do listers think is the ideal compression to maximize
> power and be assured of decent timing advance with pump quality premium?
>
> 2. British Parts Northwest seems to be the only shop with off-the-shelf
> comped and reconditioned heads and their price is not a lot different
> from that quoted at my local shops for similar work on my original head.
> Anyone have experience or opinions on their product and/or alternative
> off-the-shelf solutions? ( this one can be responded to offline to
> protect the guilty).
>
> Thanks gang.
>
> It would be impossible to own this car without the help of this list.
>
> Keith Ehrlich
> 74 TR6
>
>
>
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