5Kcstqa - head removal before upgrades at 160Kmi?

Ben Swann bswann at worldnet.att.net
Fri Feb 15 17:03:50 EST 2002


Man this is really mushrooming.  I guess I should pull the valve springs
and keepers,  lap the valves, mild port and poish.  Well this will be the
second head within a year.  How much meat is in this head for P&P?  I
suppose with the new cam, not to radical, but a bit more lift, I should get
Autotech springs.  Since the power is getting up there, should I consider
Raceware studs(expensive) or just get new stock headbolts?

Any BTDT, caveats..

Ben

Still looking for repies on the clutch issues.

On Friday, February 15, 2002 2:45 PM, Eric_R_Kissell at email.whirlpool.com
[SMTP:Eric_R_Kissell at email.whirlpool.com] wrote:
> Ben,
>
> I would replace the head gasket. Pulling the head will make it easier to
replace
> the manifold studs anyway, which you should plan on doing. You will be
taking
> things down pretty far to do the modifications you describe, so pulling
the head
> and changing the gasket is really not that much more work. I found it
easier to
> pull the head and then remove the manifold. While you have the head off
you can
> clean up the ports.  I did this when I had the head off of my 1986 5kcstq
> several years ago. Nothing dramatic - I just cleaned up some of the ugly
stuff
> that I saw and said "that can't be good for flow." IIRC, I used a Dremmel
and
> elbow grease, so nothing fancy. I suspect this is one of the reasons that
the
> engine in my 1986 feels more willing than the one in my 1989.
>
> HTH,
>
> Eric R. Kissell
> 1986 5000cstq, 1.8 bar (SJM), K24, Fuchs
> 1989 200q Avant, 1.5 bar, K24, Bilsteins
> 1987 VW GTI 16V, 1984cc, Bilsteins
> Evansville, Indiana, USA
> ______________________________ Reply Separator
_________________________________
> Subject: 5Kcstqa - head removal before upgrades at 160Kmi?
> Author:  Ben Swann <bswann at worldnet.att.net> at INTERNET
> Date:    2/15/2002 1:29 PM
>
>
> More questions:
>
> I will be performing some more "while I'm at it" performance mods to
> 5000Turbo Quattro Avant, as I have a slight but growing exhaust manifold
> leak.
>
> These will consist of 2-piece manifold, and high flow Cat and on back
> Stebrosystem, additional fueling, cam, lifters.
>
> I will be doing Timing belt, water pump & tensioner "while I'm at it"
among
> other PM.
>
> Should I replace the Head Gasket even though there are no compression
> problems or leaks, or should I leave well enough alone - if it ain't
broke,
> don't fix it.???
>
> If it is a good idea to replace the head gasket, will I make the overall
> job easier to remove head, manifolds, turbo, and downpipe as a unit and
> then dissasemble on a bench???
>
> As always I appreciate the BTDT replies.
>
> Ben





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