Rr: Re: [s-cars] What to do while the head is off?

[Rich Dauenhauer]

>From: CaptMagu at aol.com
>Date: Tue, 13 Aug 2002 11:22:09 EDT
>Tom
>While the head is out you might want to port match
>the IM and EM, add the RS2 exhaust cam with Bilstein
>lifters,
>debated at great length would be
>porting/extrude honing of the head with particular
>care to the area around the valves and extrude honing
>of the manifolds, steel headgasket, and last but not
>least a head studding kit and manifold fasteners from

>ARP Raceware. I have done all the above, but like a
>lot of things involved in automotive tuning its real
>hard to put a qualatative figure as to how much this
>or that mod did to improve performance.

Hap, This as well has been of some intrest to me, in
consideration of such mods. Bolt on's are great but
unless you have direct comparison info some of the
potental value is lost. How much did it cost to
Extrude Hone your EM, your IM? Did you feel the money
was well spent? I imagine they give you some charts or
something showing the improved flow characteristics?
Has anyone a direct dyno comarison of this(these)
paticular add-on without convaluting the results with
head work, exhaust cam, chip additions ect?

Rich
95.5 S6


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