Ferrari Mailing List: Re: Cam timing

[Hans E. Hansen (FList]

The 3 hours involves removing the cams, among other things.  He
is machining in permanent marks, etc. - and installing the cam
plug in the process.  New seals will be needed.  It is sort of one
of those "while we are in there" kind of things.  I've gotten used to
it on this car.

Hans.

On Wed, Dec 3, 2008 at 8:55 PM, David Thursby <david [at] thethursbys.net> 
wrote:
> 3 hours seems a bit steep. The few I've spoken to about this say it
> takes them less than 30 minutes to do both banks. This is assuming that
> the covers are off to check/adjust the clearances, which they should be
> for all V8s other than 355/360 (and 430 too I suppose...)
>
> With as little as 4 degrees having a significant impact on performance,
> I don't really understand how eyeballing a set of marks so close to the
> axis of rotation can be accurate enough. On a 308/328 done in-car, the
> front bank would be very difficult to get a good line of sight to do it
> even half accurately.
>
> I better be careful what I say, as this could reignite the whole
> belt-swap vs "proper" service argument. I don't want to go and do that
> now do I.... Let's just say that since I do the servicing on my car (
> Mondial t) myself, I don't have to worry about labor $. I choose to do
> the job "properly".
>
> Dave :)
>
>
> Hans E. Hansen wrote:
>> My car is currently in for a belt change.  The mechanic ask me if I wanted
>> him to degree the cams and make a reference mark for future use.  He
>> said that there wasn't anything of "real use" on the cams in the early
>> years.  He's charging me an extra 3 hours for this.
>>
>> Hans.
>>
>> On Wed, Dec 3, 2008 at 7:20 AM,  <jimshadow [at] verizon.net> wrote:
>>
>>> There are a bazillion threads on this subject on FChat.    Basically you 
>>> need to degree your cams to check for accuracy if you feel they are off.   
>>> There are some great threads written about this process.
>>> The general concensus is that the marks are 'reference only' marks and 
>>> should not be trusted until verified.
>>>
>>> FWIW, YMMV
>>>
>>> Jim
>>> ------Original Message------
>>> From: Peter Pless
>>> To: Jim
>>> Cc: The FerrariList
>>> Subject: [Ferrari] Cam timing
>>> Sent: Dec 3, 2008 8:27 AM
>>>
>>> Has anyone ever experienced the cam timing marks on a ferrari engine being
>>> inaccurate? If so, was it because they weren't the original heads or cams,
>>> or was it just a factory stuff up?
>>>
>>>
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