456 & 550 Fuel Pump Support - Ferrari Life
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post #1 of 5 Old 08-16-2017, 01:50 AM Thread Starter
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456 & 550 Fuel Pump Support

Hello Guys,

on the 456 and 550 the original rubber supports now are on dissolution due to the petrol composition of the last years, less use the car and more those supports become damaged early ....
The dissolution of those supports do a black sticky material inside the tank that some times obstructs fuel holes on pumps and on pipes ....
The original supports are not available, but pumps are Bosch and are available, out of the Ferrari shops, becasue was used from more cars of that years.
Pumps have same length but two differents OD diameter:

- 456 = 52 mm
- 456M & 550 = 38 mm

I recently done for a mechanical workshop who work on Ferrari cars (that asked me a solution) a new fuel pump support for those cars, my solution is definitive forever, because I used the PTFE material that is insensible to the petrols.

My support have same interface dimensions of the original, and the pump be fixed by means of clamp like the original, that will be installed on the groove of my support.

Follow some pictures od the two type of supports and the assembly on the original basket pump.

If some one is interested I can supply.

Best Regards

Fabio
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post #2 of 5 Old 08-16-2017, 05:54 AM
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Bravo Fabio, finally a permanent solution to this aggravating problem. Will the PTFE still reduce the pump vibration and noise?

'99 550, Rosso Corsa / Nero, S/N:114654, Assy: 31836, Engine: 52084

High mileage, low compression, and missing on a few cylinders.....just like my cars.

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post #3 of 5 Old 08-16-2017, 07:29 AM
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Good job .

Present : Ghibli III V6 3.0 330 cv Grigio Maratea 571
Past :550 Maranello 1/98 110069 Ass 27389
http://www.bernardsport.be/maranello/
Registre 550
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post #4 of 5 Old 08-17-2017, 12:40 AM
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Ciao Fabio , what difference ?

https://www.ricambiamerica.com/car-d...11-gasket.html

Present : Ghibli III V6 3.0 330 cv Grigio Maratea 571
Past :550 Maranello 1/98 110069 Ass 27389
http://www.bernardsport.be/maranello/
Registre 550
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post #5 of 5 Old 08-17-2017, 01:35 AM Thread Starter
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Quote:
Originally Posted by bay View Post
Ciao Bernard,
thanks for advise me about that, i didn't know that Ricambi have reproduced this part, not available from ferrari spare parts ....
Perhaps is better than mine because is in rubber and exaclty equal to the original.
About th edurability my in PTFE is forever, their rubber i dont't know, i don't know th ematerial and i cant tell anything about...
Perhaps life is forever or perhaps no ...

Fabio
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