Larry,
I've never been clear on this. Are there two different aluminum heads
manufactured? I've known about the Pierce one since before it was
available (you probably did too- it was supposed to be a crossflow
originally), but I thought all the aluminum heads were the Pierce one?
Gerard
At 7:52 PM -0700 8/24/03, Larry & Sandi Miller wrote:
>Having had both, my ass in the seat tells me that $ for $ the aluminum head
>out performs the steel version.
>
>That is, for the price of an aluminum head the large percentage of us cannot
>build a steel head that will perform better.
>
>David Anton might but he would have to throw in his work for free to keep
>the cost down if he were to sell it.
>
>Most of us could not do enough of the work ourself or the quality of the
>work necessary to make it happen.
>
>The aluminum head performs right out of the box.
>
>My guess is that if you were to buy the steel head on the open market you
>will have to pay $1300 to get one that will out perform the aluminum head.
>
>BTW Cap'n Bob my aluminum (Pierce) head uses the same plug as the steel
>head.
>
>Larry Miller
>
>
>----- Original Message -----
>From: "gerard" <pixelsmith@gerardsgarage.com>
>To: "Robert E. Shlafer" <PilotRob@webtv.net>
>Cc: "Robert Duquette" <RobertDuquette@Sympatico.ca>; "Spridgets"
><Spridgets@autox.team.net>
>Sent: Sunday, August 24, 2003 7:25 PM
>Subject: Re: engine health
>
>
>> Hey Cap'n,
>>
>> I don't know where you get your numbers from to make this claim, but
>> I have recently heard from an extremely knowledgeable and well known
>> source that the aluminum head does NOT flow as good as a stock cast
>> iron head and that if the extra money spent on the aluminum head
>> invested in even mild porting of a stock head with Rimflow valves
>> would perform much better. I only recently heard this and was
>> surprised myself, but the credibility of this individual I think is
>> without question. If you have some factual data to back up your
>> claim, I'd like to hear about it.
>>
>> Gerard
>>
>> At 9:35 PM -0400 8/24/03, Robert E. Shlafer wrote:
>> >Hey, Bob....consider.....
>> >
>> >That aluminum head is not only
>> >lighter, it also flows around 30%
>> >better than stock, runs cooler, uses 12mm
>> >plugs due to a "centered" plug in the
>> >combustion chamber (more even burn
>> >across the piston) and comes with
> > >hardened seats.
--
One meets his destiny often in the road he takes to avoid it.
~French Proverb
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