246 GTS Gear Box Overhaul - Ferrari Life
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post #1 of 47 Old 03-05-2013, 08:54 AM Thread Starter
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246 GTS Gear Box Overhaul

The cogs look great and the synch rings are shot like predicted.
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Capo

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post #2 of 47 Old 03-05-2013, 08:56 AM Thread Starter
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The guides had some wear too and will be replaced.
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Salve,
Capo

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post #3 of 47 Old 03-05-2013, 09:00 AM Thread Starter
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The casing had a minor crack, probably from external mechanical impact from a ground object. It had been fixed back in the day with mouldable metal paste but has now been welded.
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post #4 of 47 Old 03-05-2013, 09:10 AM Thread Starter
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Engine out and looking good all over. You can see the notorious leaking point over the alternator. It's from the cam chain tensioner cap (alternator holder under the tensioner cap underneath the cam shaft farthest to the right). My leak was minimal but new seals are coming and a hand made drain pipe will be installed to bypass future dripping away from the alternator.
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Salve,
Capo

The bad news: Time flies
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You cannot make life longer but you can make it wider and higher.
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post #5 of 47 Old 03-06-2013, 03:55 AM
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Capo,

This is all you need to sort out the drip issue from the tensioners. It's called the D3S and is made by a couple of real Dino enthusiasts whose attention to detail is mind boggling.

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post #6 of 47 Old 03-06-2013, 10:06 AM Thread Starter
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Quote:
Originally Posted by iainuk View Post
Capo,

This is all you need to sort out the drip issue from the tensioners. It's called the D3S and is made by a couple of real Dino enthusiasts whose attention to detail is mind boggling.

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Thanks, you beauty!!

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post #7 of 47 Old 03-09-2013, 05:23 AM
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Quote:
Originally Posted by iainuk View Post
Capo,

This is all you need to sort out the drip issue from the tensioners. It's called the D3S and is made by a couple of real Dino enthusiasts whose attention to detail is mind boggling.

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+1 !

w/ smiles

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post #8 of 47 Old 03-12-2013, 05:45 AM
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I think Paul and Rob's idea is great and you can add it while everything is still on teh car
but when this happened to me 3 years ago I fashioned a heat shield with the runoff tray as an extension so nothing could get around it.
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post #9 of 47 Old 03-12-2013, 08:13 AM Thread Starter
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I'm sure it's totally protected from oil leaks but it seems to have little heat evacuation?

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post #10 of 47 Old 03-12-2013, 07:18 PM
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Quote:
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I'm sure it's totally protected from oil leaks but it seems to have little heat evacuation?
Thank you for the comment.

There is plenty of space on the back side to allow airflow to escape as I had to have enough distance from the rear of the alternator to the electrical wiring to protrude from their connectors and not touch the metal shield. On the front side the pulley blades direct the cooling airflow through the casing.

The goal of the heat shield is to reflect radiative heat transfer from the exhaust.

I have driven for 4+ hours in 100+ F ambient mid day temps in July and August in California and not had a failure yet. Over 15k Kms on this design, up and down the West Coast sometimes 10+ each day and no problem.
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post #11 of 47 Old 04-26-2013, 02:35 PM Thread Starter
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Nice cogs! Engine and trans reinstalled.
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Salve,
Capo

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You cannot make life longer but you can make it wider and higher.
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post #12 of 47 Old 04-26-2013, 03:05 PM Thread Starter
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Overhauled
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Salve,
Capo

The bad news: Time flies
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post #13 of 47 Old 05-02-2013, 05:12 PM
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Gorgeous, and ready for driving season!
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post #14 of 47 Old 05-02-2013, 10:50 PM
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Excellent. Will we see her in Italy?

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post #15 of 47 Old 05-03-2013, 03:47 AM Thread Starter
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Excellent. Will we see her in Italy?

Onno
That indeed is the plan!

Salve,
Capo

The bad news: Time flies
The good news: I'm the pilot

You cannot make life longer but you can make it wider and higher.
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post #16 of 47 Old 05-03-2013, 10:07 AM
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Capo- Looks brand new. Too bad there is not enough room to put double synchronizer rings on 2nd gear.

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post #17 of 47 Old 05-03-2013, 10:10 AM
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Super duper work.
Love those pics.
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post #18 of 47 Old 05-03-2013, 01:45 PM Thread Starter
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Capo- Looks brand new. Too bad there is not enough room to put double synchronizer rings on 2nd gear.
Thanks!

Apparently the synch rings are larger from my model and onwards and so will take more abuse. The rings had 58.000 km when I took over the car so I'm expecting at least around 50.000 additional kilometres of inspired driving before next overhaul and that's ok.

I had them touch up everything underneath and in the engine bay when the engine was out and it looks really nice and neat now. Every engine out job gives you an opportunity to shape things up. Alternator and start motor are overhauled and a the oil dripping from the cam chain tensioner onto the alternator is fixed by new seals. A protection plate was installed in case the dripping reoccurs many miles ahead.

She's good to go and be driven very hard, just like Enzo wanted.
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Salve,
Capo

The bad news: Time flies
The good news: I'm the pilot

You cannot make life longer but you can make it wider and higher.
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post #19 of 47 Old 05-03-2013, 01:50 PM
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She's good to go and be driven very hard, just like Enzo wanted.
No better man to do it....

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post #20 of 47 Old 05-03-2013, 01:52 PM Thread Starter
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Brand new clutch too.
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Salve,
Capo

The bad news: Time flies
The good news: I'm the pilot

You cannot make life longer but you can make it wider and higher.
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