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Bellhousing To Engine Bolt Spec


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#1 cruzer

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Posted 09 June 2017 - 01:14 PM

Hi guys,

 

I've lost the bell housing to engine bolts for 260z.

 

Does anyone know the specs of these so that I can go and buy some.

Hopefully by this weekend :D

 

PS. did think about buying a kit, but it takes time to get it delivered + i'll be in the same boat next if I loose these again :P



#2 gav240z

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Posted 09 June 2017 - 02:33 PM

http://www.viczcar.c...00293-1600dave/

 

Has a manual with every fastener it's thread pitch, size etc.. If you ask nicely he might look it up for you. I've been hoping to get access to it and make a PDF version since it would be extremely useful to have as a reference.

 

I believe it should be the same bolts used on the 4 banger's (L4) since they share the same bell housing so might be able to get some off 1 of those engines (if you can find a wreckers with them still these days).



#3 cruzer

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Posted 09 June 2017 - 02:39 PM

http://www.viczcar.c...00293-1600dave/

 

Has a manual with every fastener it's thread pitch, size etc.. If you ask nicely he might look it up for you. I've been hoping to get access to it and make a PDF version since it would be extremely useful to have as a reference.

 

I believe it should be the same bolts used on the 4 banger's (L4) since they share the same bell housing so might be able to get some off 1 of those engines (if you can find a wreckers with them still these days).

 

Thanks heaps :D

 

I'll update the thread for future reference :D



#4 1600dave

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Posted 09 June 2017 - 04:02 PM

I'll have a look when I get home tonight.



#5 gav240z

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Posted 09 June 2017 - 08:47 PM

Split post and moved to here.

http://www.viczcar.c...d-finish/page-0



#6 gav240z

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Posted 09 June 2017 - 08:56 PM

Here is the part no. assuming you need it for a 71B box?

 

08111-03010 qty: x 5
08110-82510 qty: x 2

Attached Files



#7 Cozza

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Posted 10 June 2017 - 07:13 AM

Not that it would make much difference to the bell housing bolts but, I notice the date on the microfiche is for a FS5C71B from Jan '72 but it shows the flange type drive shaft. I thought by '72 they were using a slip yoke?

#8 gav240z

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Posted 10 June 2017 - 08:57 AM

I've seen 71b with the flange type output also. I know a guy in SFO that had 1 in his Fairlady Z-L which might have been an option box.

#9 1600dave

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Posted 10 June 2017 - 09:35 AM

Not sure what the go is with the file you posted Gav, but the 71B boxes I have in the shed (240K, "skyline ??", L20B bluebird and Z18 bluebird)  all have a bellhousing flange around 40mm thick, the bolt your parts manual shows is only 30mm long so wouldn't even get through the  bellhousing to engage in the block ?

 

The original 4 speed from a 1600 has a thinner flange, not sure if a 71A box may also be thinner  ??

 

Anyway, easiest way to be sure would be to measure the thickness of the bellhousing flange on your gearbox, measure the depth of the bolt holes in the block, add the two and get a bolt a bit shorter than that measurement.

 

Also bolts "27" and "28" are labelled "Bolt - fixing T/M to engine", are much longer (and some are thicker), yet are shown in the pic as joining the rear ext housing to the front ?

 

Got to go out for a while, I'll find a bolt in my spares pile and physically measure it.


Edited by 1600dave, 10 June 2017 - 09:42 AM.


#10 dat2kman

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Posted 10 June 2017 - 11:25 AM

Heres the fun bit,,, depending on the thickness of the bellhousing flange/bosses, you may need different length shanks and threads, as, Nissan had variations in the bellhousings.
A bolt may "look/feel" like it is tight, but it may have bottomed out in the tapped thread in the block.

#11 cruzer

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Posted 13 June 2017 - 01:19 PM

Hi Guys,

 

Here is the details.

 

X4 M10 x 1.5 08131-06010 
X2 M10 x 1.5 08171-00601 
 
Thanks
Sam


#12 Groundhog

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Posted 02 October 2017 - 07:59 PM

This photo may be useful for the 71B 5 speed box (and maybe others)

Please note that there is one slightly  longer bolt compared to all the others.

It is 65 mm long - M10 x 1.5 mm (metric coarse).  (08131-06510)
It is used on the lower passenger side where the dowel is located.

The other three longer bolts are 60 mm long- M10 x 1.5 mm (metric coarse) (08131-06010)

When attaching into cast iron a metric coarse thread vs metric fine is used.
It's useful to know when you get a bunch of bolts back from the platers. Sort the coarse thread one's out from the fine threads first.

 

https://totalzparts....ngineBolts2.jpg


Edited by Groundhog, 02 October 2017 - 08:52 PM.

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