[DeTomaso] Valve Stem Seals for ferrea f5040 valve / triplespring

[Rolf Poulsen]

Al the work have been done before I got the car. So I just need to find the part for my mechanic - since he can't find any that fits in europe. 

But thank to you I now know what the right guide diameter is. And thanks to J Deryke I will get some made of teflon (they are only 5 bucks extra) 

 

Rolf

 


From: guson at home.se
To: rolf_poulsen at hotmail.com
Subject: Re: [DeTomaso] Valve Stem Seals for ferrea f5040 valve / triplespring
Date: Tue, 2 Jun 2009 23:06:22 +0200




I found a picture on the web of how the head preparation for the seal installation is done:
 
http://www.mustangandfords.com/techarticles/5226_building_new_302_engine/photo_29.html
 
If you have any doubts I suggest you talk to the person who's doing the work on your heads.
 
Tomas

----- Original Message ----- 
From: Rolf Poulsen 
To: guson at home.se 
Sent: Tuesday, June 02, 2009 9:28 PM
Subject: RE: [DeTomaso] Valve Stem Seals for ferrea f5040 valve / triplespring

 
Okay thanks. Howards Cams 93310 looks like the winner :)  
 
> From: guson at home.se
> To: detomaso at realbig.com
> Date: Tue, 2 Jun 2009 19:14:28 +0200
> Subject: Re: [DeTomaso] Valve Stem Seals for ferrea f5040 valve / triple spring
> 
> Rolf,
> 
> The Cleveland heads are not machined to use that kind of seal from the factory. The outside of the guide is machined cylindrical to enable the seals to stay put. If your heads already had this type of seal installed before you simply measure your guide and buy what fits. Otherwise you have the head machined to fit the seal you choose.
> 
> Tomas
> 
> ----- Original Message ----- 
> From: "Rolf Poulsen" <rolf_poulsen at hotmail.com>
> To: <detomaso at realbig.com>
> Sent: Tuesday, June 02, 2009 6:55 PM
> Subject: [DeTomaso] Valve Stem Seals for ferrea f5040 valve / triple spring
> 
> 
> > 
> > 
> > I need to buy some valve stem seals. The valve stem diameter is 11/32 in. the outside 
> > 
> > diameter of the old seals is about 0.630 in. 
> > 
> > 
> > 
> > But what about the valve guide diameter? does this matter? there are two different sizes at summit: 0.500 in. and 0.531 in.
> > 
> > http://store.summitracing.com/partdetail.asp?autofilter=1&part=HRS%2D93310&N=700+0&autoview=sku
> > http://store.summitracing.com/partdetail.asp?autofilter=1&part=HRS%2D93315&N=700+0&autoview=sku
> > 
> > 
> > 
> > These are designed for triple spring but as long as the other ones fit inside the spring I guess there are no reasons for buying these?
> > 
> > http://store.summitracing.com/partdetail.asp?autofilter=1&part=HRS%2D93370&N=700+115&autoview=sku
> > 
> > 
> > 
> > Summit writes: "Machine Work Required - Yes". What do they mean by this? 
> > 
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