overheated 4kq, new moter needed? New to list :-)

[Todd Phenneger]

Tom,
  Welcome to the list.  YOull be addicted in no time. :-)
The 5-byl 2.2l motor is nearly bulletproof.  SO, I'm tempted to
say just replace the head and gasket.  But you obviously need to
make sure the head is block are flat.  Check the deck of the
block to make sure it didnt' warp.   Then take the head to a
machine shop and have it checked.  If its fine you should be
able to just replace it.   (Great time to port and Polish the
head, maybe get bigger valves and some more compression though) 
  If you just want to transplant, you can get an NF code motor
from an Audi 5kq or 100q and put that in.  Or out of an Audi
80/90q if you take the intake plumbing with it.  These are 2.3l
motors that had 15more hp to begin with.  And with a port and
polish (they already have the bigger valves) and maybe a cam are
good for 150hp.  
  Hope that helps a bit
l8r
  Todd

--- Tom B <dr_hydro at hotmail.com> wrote:
> Hi all,
> I am new to this list, hope you don't mind some newbie type
> questions. I
> have been given an 87 4kq that was SEVERLY overheated. The car
> is now
> blowing bubbles (exhaust) inside the overflow reservoir. I
> realize that the
> head is probably warped, and the head gasket is most
> definately shot. My
> question is this: should I try to replace the head gasket and
> put another
> head on, or should I skip that and go directly to the engine
> transplant
> route?
> 
> I am afraid that if I just replace head/ gasket that I will
> find that other
> internal parts (rings, bearings, etc) were stressed and will
> prematurely
> fail.
> 
> Any and all opinions will be carefully considered, thanks for
> your time :-)
> tom
> 
>
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