Bell Housing Fasteners

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John Vardanian
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Bell Housing Fasteners

Postby John Vardanian » Thu Mar 02, 2017 7:25 pm

Do bolts or studs go here at the top of the b/h? Thanks.

john

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250GT
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Re: Bell Housing Fasteners

Postby 250GT » Fri Mar 03, 2017 5:25 am

John ,this pics schould say it all,

Seen on early 330GT and late 250GT.

PARTNR 571 520291 stamped on mine

best

C.
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DWR46
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Re: Bell Housing Fasteners

Postby DWR46 » Fri Mar 03, 2017 10:31 am

John: They are all studs.

250GT
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Re: Bell Housing Fasteners

Postby 250GT » Fri Mar 03, 2017 2:39 pm

John, I do have here a 4 speed box out of an SWB or lusso this has fixation holes all around .
but clearly an other partnumber, and not this "cut in " construction on top.
508E 55676 as part number
the bellhousing number I mention above comes with later 250gt and 330gt cars see partcatalog picture.
and was not fixated on the moter afaik .that opening was maybe to let the disk dust out ?
why don´t you have studs on top of you´re picture in the begining ?
may be it was replace some time .They have the tandancy to make cracklines sometime.

C .
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250GT
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Re: Bell Housing Fasteners

Postby 250GT » Fri Mar 03, 2017 3:20 pm

John to find partnumber, you must take off the bellhousing its between the box and the house "inside".

I think its correct for the lusso not the PF .

Best

C.
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John Vardanian
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Re: Bell Housing Fasteners

Postby John Vardanian » Sat Mar 04, 2017 2:50 am

Thanks Cornelis and Dyke.

john
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250GT
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Re: Bell Housing Fasteners

Postby 250GT » Sat Mar 04, 2017 7:09 pm

John ,
I got the conformation from the best F- shop in Holland today that the Lusso and early 330GT don´t have studs on top
to fixate the BH .

So everything is fine on the first pic in this thread without threads on the motorblockhousing.
I have no idea why F. did made this change.(cut out/in)
Somebody?
best

C.

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John Vardanian
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Re: Bell Housing Fasteners

Postby John Vardanian » Sun Mar 05, 2017 3:05 am

Cornelis, that is very interesting. I looked up random pictures of Ferrari motors on the internet and noticed that some had no studs at top. Maybe this is just coincident. I also looked at pictures of my motor as it came out of the car a number of years ago and there again saw no studs. So, was there four M8x1.25 bolts there? I am hard pressed to think of a reason why this would

http://www.ferraricraft.com/wp-content/ ... G_8648.JPG

https://www.zwischengas.com/bild/Der-Mo ... Motor.html

john
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250GT
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Re: Bell Housing Fasteners

Postby 250GT » Sun Mar 05, 2017 8:02 am

Well John ,

If you´re gearbox has the BH showed in my first pictures which I suspect.

You could drill some holes on top of BH , or leave it original.

So simple is that.

ciao

C.

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John Vardanian
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Re: Bell Housing Fasteners

Postby John Vardanian » Sun Mar 05, 2017 5:49 pm

Okay, Cornelis. I think I finally understand. Apparently the diagram that you posted went over my head. Th message is that my b/h has no holes at the top, so no need for studs on the block. Sorry for being so thick. Here's my b/h.

john

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