Ferrari Mailing List: Re: Ferrari 250 GT SWB Chassis# 2639 , from bad to worst.

[Doug and Terri Anderson (dnt]

Picture this â itâs 1966 and I am at Gurneyâs All American Eagle shop in Santa Ana, CA. We get a tour. Max Muhleman was the guide. Now here is the engine room. The temp and humidity is kept to within .00003% (sic) tolerances etc etc etc. Then Dan would go out to Riverside Raceway located in the windy dusty SoCal high desert and take his CanAm engine apart in the track garage. Never understood this.Â

 

Well, to his favor â so did a lot of other teams. It was the era before each team showed up with 5 hermetically sealed motors in shrink wrap and even the major players like Penske showed up from Pennsylvania with one car in toe and no spares.

 

Ach â those were the days.

DOUG

 

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From: Michael James [mailto:cavallino_rapante [at] yahoo.com]
Sent: Monday, October 24, 2011 8:32 AM
To: DOUG
Cc: The FerrariList
Subject: Re: [Ferrari] Ferrari 250 GT SWB Chassis# 2639 , from bad to worst.

 

During the rebuild of my engine, my mechanic is a RELIGIOUS disciple of Factory cam timing and valve clearance specifications.  WRT cylinder compression, he did all his own math to determine the largest, correct compression ratio possible on 92 octane pump gas, and worked with a custom piston manufacturer to get us spot-on with a new piston design, reaching those numbers.  Surprisingly, the hardest issue with the rebuild was to source OEM bearings for the re-build, as most 'new' Ferrari parts on the market are not-nearly produced to the same tolerances and specs as the original parts sources (ie. Vandervell bearings, head gaskets, then and now).  If I didn't know any better, I'd swear some of these 'Ferrari' parts folks are selling these days are made in China - and I'm not joking one bit.

 

Having driven one of his 308 engines re-built to the same specs as mine jsut two weekends ago, I would say it is absolutely worth the effort....can't wait until mine is done....

 

M

 

 

From: Carl Jones <carljones [at] hotmail.sg>
To: Michael <Cavallino_Rapante [at] yahoo.com>
Cc: The FerrariList <ferrari [at] ferrarilist.com>
Sent: Monday, October 24, 2011 1:34 AM
Subject: [Ferrari] Ferrari 250 GT SWB Chassis# 2639 , from bad to worst.

ï

Always been curious about the reference of modern tolerances.  I don't see it myself, the 308 GT/4 workshop manual suggests the bottom end of the engine has the same tolerance in terms of main bearing wear as a current M3.

 

If you have a decent older engine in fine health, why wouldn't you run it on a 0W-30 anyway?  I know that doesn't really answer your question, but I had to ask, as no one I've ever asked has ever been able to prove that "Modern tolerances" exist at all.

 

Regards,

 

Carl.

 

 

 

 

----- Original Message -----

From: Larry

To: Carl Jones

Cc: The FerrariList

Sent: Monday, October 24, 2011 3:08 PM

Subject: Re: [Ferrari] Ferrari 250 GT SWB Chassis# 2639 , from bad to worst.

 

Hi Gang â .

    If the factory makes one of these reproduction engine blocks (is that theyâre called? or is there no distinction other than the star?) is the engine built to modern tolerances?    Iâm told the reason many new cars (like Porsches â sorry, itâs what I know) use 0W30 or 0W40 because of tighter tolerances â just wondering if the new block would be to tighter tolerances made possible by better machining equipment and techniques?  then again, how could they *not* build them to modern standards?

 

    And if Ricky works on it are the tolerances cut in half?   sorry â bad joke...

 

LarryT

 

From: Fellippe Galletta

Sent: Friday, October 21, 2011 11:22 AM

To: Larry Turner

Cc: The FerrariList

Subject: Re: [Ferrari] Ferrari 250 GT SWB Chassis# 2639 , from bad to worst.

 

 

On Fri, Oct 21, 2011 at 9:06 AM, <Britt2Asa [at] aol.com> wrote:

It is an interesting question isn't it? If the Ferrari factory recasts a motor and builds it in Maranello is the car "less" of a Ferrari than one with the original engine? Its made by the same company (maybe by the same people, I've been to the factory several times and there are some real old timers there), same methods, same alloys; heck a lot of these cars may have had an engine failure early on and had a new engine made under warranty. Ferrari has the same plans and they designed the thing after all.

 

Is the car less of a car? Its not like the engine was made in China after all. I know that to some people it would matter, to me it doesn't if it is a Ferrari made engine, but what do you guys think?

 

Britt

 

Britt, I agree 100% with your sentiments.

The only issue IMHO is if the owner attempts to misrepresent a car saying it has a completely original engine when it in fact received a new one. Other than that, a new motor built by Ferrari in Maranello is as good or better than one that was in the car since the '50s/'60s.

Some things in life are just taken too seriously. What about that Volvo guy with 2.x million on his P1800.....if he hasn't gotten a new engine already, should it really matter?

I guess the new Ferraris can be built 100% the same except now Enzo is no longer around to baptize the cars as they leave the factory. :)

FG

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