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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