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Re: Trick Flow vs. Edelbrock Heads

To: Steve Laifman <laifman@flash.net>
Subject: Re: Trick Flow vs. Edelbrock Heads
From: twojohnsons@home.com
Date: Fri, 31 Mar 2000 08:37:31 -0500
Caution on the Trick Flows. They make the most HP for a street head, but the 
wedge design is said to screw up the valve train geometry and result in problems
w/valve guides, noise, & premature wear. Go w/Edelbrocks--best quality. You 
want the
small valves (1.9 & 1.6) so you won't have to notch your pistons. The 2.02s are 
big, and give HP while taking away low-end torque. And torque is the "funnest" 
about a Tiger. It will appear once you ditch the 288 rear end gears.
Also, aluminum heads allow more compession w/o knock. Something about the 
of the metal.
UPS says mine will be here next Tuesday. Also, I was advised to use graphite 
w/aluminum heads.
Edelbrock has a web site where you can sign up for a free catalog. Good one, 
Al J.

Steve Laifman wrote:

> Derek,
> I haven't seen this, but you should check it out.  The Twisted Wedge heads 
> good, but I found out a few things talking to the racing guys.  All aluminum 
> are thicker than the iron one.  Using roller rockers increase the valve cover
> height.  Watch out for just how much clearance you have on the inner valve 
> corners to fire wall.  You can NOT mill these heads down to fit.  They were 
> thicker because they are aluminum and they had to.  Of all of them, the 
> is closest.
> Ford just lost a huge settlement, and is replacing, or paying those who have
> replaced, their head gaskets - or lost their motors from blown ones - on 
>their V6
> iron block with aluminum heads.  The difference in expansion causes the 
>gasket to
> start leaking, and disaster is just around the corner.  There is a new gasket,
> steel or carbon fiber, or some such - and about $50, that is supposed to solve
> this.
> I was told that the Trick Flow does NOT use Threadserts, or Helicoils on the
> threaded aluminum holes where vital connections must go, like your bolts and
> studs, whereas Edlebrock does.  If this is so, it would be a decisive 
> to me.
> There are TWO versions of Edelbrock, mostly differing in runner and chamber
> volumes, as well as exhaust valve size.  I believe the early 289 is the one 
> would want.
> This information is not validated by me, as I just am not considering the 
> but you should look before you leap.  They cost about the same.
> Steve
> --
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