yep, alloy reduces the thermal efficiency. And as you say less heat
means a lower air pressure in the chamber. Now, you cangain some
significant hp by switching from iron to aluminum but without a zillion
other mods, the hp will never be significantly high. Ie as youknow, you
gotta have the bottom end parts, the rods, pistons, cam, valve trail etc
to have a good reliable high power motor. I think reliablity is an
inverse square law lol...seems to be for me any way.
I now finally have the rce car off the jack stands ready to move outside
for some more salt wash down then wasing with a salt killer. Then some
primer paint ans some wax... then I can fire it up. Yeah! Maybe by next
week.
My orange tiger is still in pieces. Have all parts tostart reassembly
except the hardtop shell. That should be available Weds. The House of
Kolors Shimmerin Sunset Orange pearl paint is very nice. I also
purchases dome merkur wheels from Brent edinger and had them repainted
in the color he had them but added a small pin stripe around the rim in
a flat orange paint as well. They are going to look awesome!. I am
considering having my Tiger valve covers powder coated in a similar
orange scheme as well. Right now, I have to cut the grass, lol... when
the new lawn mower arrives... I have killed the yardman once again.
Motor is fine dbut the drive system is kaput. Even with a new belt....
more on the saga of the cars later...
Should any of you who are returning from TU pass within shouting
distance, please drop in!. Shop is a mess but I like company and the
beer is cold...
mayf
Drmoonstone@aol.com wrote:
> Good comments. I can supply phone numbers so you can talk to Mr.
> Begosian. Dr. were not talking, in this case about high tech (which
> you are well qualified), were talking bolt on magic alum heads getting
> a 300% increase in HP with no cost, no rise in compression ratio......
> LOL. The plain truth is a decrease in heat transfer rates of alum from
> the combustion chamber reduces the effect compression ratio that can
> be run with pump gas (91 octane or less) without destructive detonation.
>
> Sean
>
>
> **************
> Gas prices getting you down? Search AOL Autos for fuel-efficient used
> cars.
> (http://autos.aol.com/used?ncid=aolaut00050000000007)
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