Well, you can be assured that unleaded gas is not an issue, and the weight
thing you mentioned. I had one gifted to me when my PO did a good engine
rebuild. I've had no trouble and the power is good.
J Donoghue
In a message dated 6/29/06 3:32:02 PM, rmort@bezeqint.net writes:
> Hey guys,
> I've finally decided to do something about all that blowing oil smoke, and
> rebuild my engine right.
> I'm going to be in the states next month, so I have an opportunity to bring
> back some goodies and save some shipping as well.
>
> I am looking at buying an assembled (springs & valves) head to bolt on to
my
> existing block, and in shopping around have found that the aluminum heads
> really aren't that much more than the iron ones - around $1000 from the
> usual suspects, and I have seen them on ebay for 800 and
> http://www.britishmiles.com/ (not a promo, no personal interest, know
> nothing about them, YMMV) is advertising one for 689$ !
>
> Anyway, I wanted to know, is there really that much benefit to switching to
> an aluminum head rather than a cast iron one?
> (mine has been skimmed one too many times to rebuild, and the valve seats
> are ruined from various non-standard 'improvisations')
> Is it likely to cause me more trouble than it's worth (heat warping, . .
.)?
> The weight savings / performance gain would be nice, but for the way I use
> my car I can get along just fine with the stock power output, so i don't
> have to have it for that alone.
>
> Also, are all new heads out there more or less the same, or is there really
> a difference between the various vendors? Remember that because of my
> location I have little recourse for a failed part (the shipping to return
it
> makes it cheaper to just take the loss), and will pay more for peace of
mind
> if it means I know I get a good part.
>
> Thanks for your input,
> RMartin
> 70 roadster
> Tel Aviv
>
J.A. Donoghue
Director of Publications
Flight Safety Foundation
601 Madison Street
Suite 300
Alexandria, Virginia, USA
22314-1756
Phone: +1 (703) 739-6700 ext 116
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