RE: Flow figures

[tom hecht <baddd65@xxxxxxxxx>]

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this is why edelbrocks are good buy.
my engine had 915's with 2.19 valves, a pro shop
did as much porting as possible, the cost for this set-up
was around 1900 bucks. well, one hot day, the engine 
got hot and cracked one. (maybe too much porting?)
i put a set of 88cc eddy's (1300bucks) on, the car had more
top end power, ran about 1 tenth quicker and did not have to have 110 gas
 
i believe it is very hard to beat aluminum heads, whether it is eddy's
for the street, or indy's for the track, indy sr's can be had for roughly
the same price as a decked out pair of steel heads.
 
tom
65 satellite

Dave Walters <whdavid@xxxxxxxxx> wrote:


Robert neal zimmerman wrote:
> 
> Talking of heads, in this book by David vizard i am reading he talks
> about how iron heads actually make more power because of the thermal
> efficiency, that is aluminum heads conduct heat better than iron, so
> they suck heat from the combustion chamber instead of leaving it on
> top of the piston and in the combustion chamber where it belongs .
> Just like thermal coatings, they help keep heat in the chamber ,
> and an iron head will too. 
> Now that would of course be identically shaped and valved heads,
> iron vs. aluminum.
> I never would of thought of that- pretty smart for a Chevy guy!
> Neal Zimmerman, Eugene Oregon

That's why you build the engine with 1 more point of mech. 
compression,to compensate for the loss of power in an aluminum head.


Dave Walters
Denver, Co.


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Please address private mail -- mail of interest to only one person -- directly to that person.  I.e., send parts/car transactions and negotiations as well as other personal messages only to the intended recipient, not to the Clubhouse public address. This practice will protect your privacy, reduce the total volume of mail and fine tune the content signal to Mopar topic.  Thanks!

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