[DeTomaso] Best valve spring compressor and keep the valves inplace

[Tomas Gunnarsson]

Or you could just let the air pressure turn the crank to BDC and be done with it! :-)

Tomas

----- Original Message ----- 
From: <SOBill at aol.com>
To: <doug1 at gtcinternet.com>
Cc: <detomaso at realbig.com>
Sent: Wednesday, November 21, 2007 6:51 AM
Subject: Re: [DeTomaso] Best valve spring compressor and keep the valves inplace


> Doug,
> 
> The valve spring compressor 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.
> 
> The articles always shown 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 eliminate this 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. 
> After the springs have been changed,  move the piston back down a little and pull 
> the nylon cord out. 
> 
> Have fun,
> 
> SOBill  Taylor
> sobill at aol.com  
> 
> 
> 
> 
> 
> 
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