348 New Owner Question

Congratulations on your purchase and welcome to FerraiChat!

Is the battery in the front or the back? If it's like mine in the back there's a small bracket which isn't too expensive that holds the battery in place. You'll need to remove the small inner wheel arch liner to access it. I would resist the urge to replace with a home made part if your able since it's such a cheap part.

Item 40 in the diagram below:

https://www.eurospares.co.uk/parts/ferrari/348-1993-tb-ts/electrical-ignition/current-generator-battery-23684

https://www.eurospares.co.uk/Search?partNumber=106525

Before you go changing the alternator just check that it hasn't already ben done by an earlier owner. There should be a sticker with a part no on teh alternator itself but you will most probably have to remove the vented stone guard to see properly.

It's quit an expensive kit (if you can find one) so unless you have an immediate problem I'd leave well alone.

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Welcome to 348 ownership! Make sure you dont have an oil leak dripping into your alternator. That is what killed my Delco alternator on my 90 348. You can fabricate a shield over the alternator to prevent this (see some earlier posts).

My Delco generated plenty of juice and wasn't an issue before the oil leak killed it. I replaced with a new Delco unit.

 

Welcome and congrats. There is a thread out here about converting from Delco to denso but it does require changing some wiring. That said I would not do that because you can buy much better Delco alternators, including high output versions.

My 348 happens to have the 140 amp denso which I think is what the 355 uses. The kit for that is no longer available, but if it didn't have it I would probably just make the bracket for it.

Here's a threat I made I fabricated a DIY alternator shield with which both protects it from oil as well as heat. It sits muddy close to that header.

https://www.ferrarichat.com/forum/index.php?threads/604393/

 

Ferrari actually make a shield but I couldn't work out how to get mine to fit - IIRC there may be 2 types and I think I may of bought the wrong one since my 1990 car has the nippon denso alternator,

Just be aware if you swap alternators you may have to swap teh L shaped bracket too which are as rare as rare can be!

Shield

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Alternator bracket

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I do regret selling my '89 Turbo SE (after 16 years of ownership). Rarer than a 348 or 355, but a Ferrari is a Ferrari ( and "next level").

 

That the 105 amp kit?

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I think you'll be paying double want you need to buying the alternator from Ferrari

https://www.superformance.co.uk/348/electrical.html

At the end of the day Ferrari don't make them - it's a Nippon Denso.

IIRC there are threads on here about cheaper alternatives - before you buy any parts always look through the alternative parts thread linked below:

https://www.ferrarichat.com/forum/threads/348-parts-thread.50339/

May want to read this too:

https://www.ferrarichat.com/forum/threads/348-alternator-removal-rebuild.142329/

 

Yep, always cross reference electrical parts by the part number. Most Bosch parts for example can be had for 50% or more off Ferrari cost for the same part number. For the alternator you can then buy the brackets used on eBay often.

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Just a couple of tips....

I'm assuming your replacing the alternator belt whilst doing this and rather than trying to loosen off the tension adjuster just cut it off with a craft knife. I say this because many people (including mechanics) end up braking the bracket because they either dont release the nut/bolt securing the bearing first or they try and loosen the adjusting bolt in the wrong direction (anti clock to tighten tension/clockwise to loosen tension). Rather than learning on the job as it were you can practice (and lubricate) with all it all free of tension. Previous mechanic/owner to me snapped my bracket (and lost the broken part) and it cost an absolute fortune to replace.

When putting the belt back you may find it almost impossible to put the belt back on even with it at maximum looseness. If this happens then take the top bolt securing the alternator out (leave teh bottom bolt in place but loose) and it allows you to move the alternator inwards to the engine just enough for teh belt to go on easily.

Finally, do your aircon belt at the same time as that requires the alternator bolt to come off to replace it. Happy mechanicing!

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Not sure where you are but in the northeast tri-state area this place “Bronx ignition on Blondell Avenue Bronx New York” is the go to spot for all high end and other dealers and repair shops for everything from starters, alternators, any type of ignition systems and anything electrical on an automobile or trucks——— they will test and rebuild your original equipment and upgrade if you want with a warranty —- there is a quite few specialty shops in the area that do Ferrari, Porsche and a lot of euro cars only go there for their electrical parts
Give them a call they will tell you what your options are for a alternator upgrade





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Found a used one? I'd put it in alright.