[Roadsters] Removing the cam

[Pat Horne]

Linda,

Thanks for the clarification.

The easiest way to find out if the cam bearings have been replaced is to 
ask the machinist. It may be that the cam bearings were replaced and the 
cam installed to verify that they are lined up correctly and to protect 
the cam. In which case, all that needs to be done is to remove the cam 
and clean out all passages, then put it back in and continue assembling 
the engine.

If they haven't been replaced, they need to be because the hot tank 
ruins bearing shells left in the engine while dipping it.

Peace,
Pat

Thusly spake ljordan704 at netscape.net, On 9/18/2009 12:08 PM:
>  The engine has been prepped and machined for reassembly, this is the final cleaning. Whether the cam came out during the "hot tank the block" i have no idea. The crankshaft is out. The head is off and I believe was resurfaced. Everything looks super clean but the machinist said "clean, blow out the dust" etc How much was done to the engine was dependent on what had to be done, and what Peter wanted to be done. Some parts may have been OK? and therefor were not replaced. Mark de Groeff was the machinist and he knows Roadsters very well and is very meticulous and has a great reputation, highly recommended by Dean, but of course is always limited by what the customer wants, can afford etc etc as well as when the engine was last rebuilt etc etc.
> ?It is good to know that cam bearings "should" be replaced in an engine rebuild, according to some.
> As we all know, I barely know what a cam is, so I am trying to provide accurate info and do the research in order to help my Roadster pal Peter who has been very helpful to me in getting my car roadworthy. 
> So far with step 1-cleaning we have a lot of good info.
> More questions to follow I am sure.
> Thanks,
> Linda
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> -----Original Message-----
> From: Pete Peters <ppeters914 at comcast.net>
> To: Datsun Roadster List <datsun-roadsters at autox.team.net>
> Sent: Fri, Sep 18, 2009 9:25 am
> Subject: Re: [Roadsters] Removing the cam
>
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> Linda and Peter, 
>
> There's been a lot of discussion about removing the cam, cleaning the block, and 
> reassembly, but one thing is not clear, at least to me: 
>
> Has the machine work already been done, or is removing the cam the last bit of 
> disassembly before having machine work done? 
>
> Pete 
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-- 
Pat Horne, Owner, Horne Systems 
(512) 797-7501 Voice		5026 FM 2001
Pat at HorneSystemsTx.com	Lockhart, TX 78644-4443
www.hornesystemstx.com
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