[DeTomaso] oil-burning question - rope trick

[Tomas Gunnarsson]

I've done this a couple of times and simply allow the engine to spin as desired. This will leave the piston at BDC which works just as well as TDC from a pressure point of view but is not unstable.

Tomas

----- Original Message ----- 
From: <SOBill at aol.com>
To: <mbefthomas at comcast.net>; <michael at michaelshortt.com>
Cc: <detomaso at realbig.com>
Sent: Tuesday, January 08, 2008 6:45 AM
Subject: Re: [DeTomaso] oil-burning question - rope trick


> The valve springs can be removed and the oil seals can be installed  with the 
> heads on the car.
> 
> 
> The type of valve spring compressor used to do this is Moroso  # 62370 and is 
> sold by Jegs as # 710-62370 for ~$82.
> 
> A similar compressor is sold by Summit as #SUM-906784 for  ~$42.
> 
> Google Moroso 62370 and you will find many sellers ...... maybe a  bargain 
> can be found.
> 
> Articles covering this procedure always show the valves being held  closed by 
> compressed air with the piston at TDC. This isn't that simple, if the  piston 
> is not at exact TDC, 100psi of air will likely make the crank rotate  forward 
> or backward. This means you need to put the car in gear and use the  e-brake 
> to hold the engine.
> 
> A way to simplify the problem and also eliminate the need  for compressed air 
> is to move the piston down a fair  ways before TDC and feed as much medium 
> size nylon cord thru the spark  plug hole as you can get. Move the piston toward 
> TDC. The nylon cord will  conform to the combustion chamber shape and hold 
> the valves closed. You can now  use the spring tool to change the springs or 
> seals. After the springs or seals  have been changed, move the piston back down a 
> little and pull the nylon cord  out. 
> 
> Have fun,
> 
> 
> SOBill  Taylor
> sobill at aol.com  
> 
> 
> 
> 
> 
> 
> **************Start the year off right.  Easy ways to stay in shape.     
> http://body.aol.com/fitness/winter-exercise?NCID=aolcmp00300000002489
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