Bell Housing Nut Size

[rick storms]

Does anyone know the correct thread size for the 6 bolts that hold the bell housing to the transmission case? Thanks, Rick Storms TC 6776

[Bob Grunau]

Rick, Well first there are 8 bolts, hell of a bell housing leak if you only install 6. They are 8 x 1.00 MM metric bolts. Bob Grunau Does anyone know the correct thread size for the 6 bolts that hold the bell housing to the transmission case? Thanks, Rick Storms TC 6776 <

[Robin Montgomery]

Check the length. If they are too long they will foul the flywheel ring gear, be damaged, and strip the thread in the sump when you remove them. Regards, Robin Montgomery _________________________________ -----Original Message----- From: Bob Grunau [mailto:grunau.garage@sympatico.ca] Sent: Monday, April 18, 2005 2:51 PM To: Rick Storms; TABC Group Subject: RE: [mg-tabc] Bell Housing Nut Size Rick, Well first there are 8 bolts, hell of a bell housing leak if you only install 6. They are 8 x 1.00 MM metric bolts. Bob Grunau Does anyone know the correct thread size for the 6 bolts that hold the bell housing to the transmission case? Thanks, Rick Storms TC 6776

[Charles Hill]

They are metric - 8X1mm with a 5/16" BS hex head orginally - commonly referred to as Nuffield's Mad Metric. Someone had put 5/16 coarse threaded bolts in TC7387. I helicoiled all the holes. The helicoil is a much better idea for the fine thread in soft aluminum. Regards, Charles Hill Rick Storms wrote:

>Does anyone know the correct thread size for the 6 bolts that hold the bell >housing to the transmission case? > >Thanks, >Rick Storms >TC 6776 > > > > > > >Yahoo! Groups Links > > > > > > > > > >

[Mark McCombs]

This same thing had happened on my TD, and I bought an M8 Heli-coil kit at the local auto parts store. It was around $28, and it was surprising easy. I remember it didnt take more that an hour or so. Regards Mark TC8126

----- Original Message ----- From: Charles Hill To: TABC Group Sent: Monday, April 18, 2005 4:28 PM Subject: Re: [mg-tabc] Bell Housing Nut Size They are metric - 8X1mm with a 5/16" BS hex head orginally - commonly referred to as Nuffield's Mad Metric. Someone had put 5/16 coarse threaded bolts in TC7387. I helicoiled all the holes. The helicoil is a much better idea for the fine thread in soft aluminum. Regards, Charles Hill Rick Storms wrote: >Does anyone know the correct thread size for the 6 bolts that hold the bell >housing to the transmission case? > >Thanks, >Rick Storms >TC 6776 > > > > > > >Yahoo! Groups Links > > > > > > > > > > Yahoo! Groups Links [Non-text portions of this message have been removed]

[Rothgene Roth]

You guys are referring to the bolts that fasten the bell housing to the engine. The question is: The bell housing to the transmission bolts. Gene Roth

----- Original Message ----- From: Mark McCombstc8126@core.com> To: TABC Groupmg-tabc@yahoogroups.com> Sent: Monday, April 18, 2005 1:41 PM Subject: Re: [mg-tabc] Bell Housing Nut Size This same thing had happened on my TD, and I bought an M8 Heli-coil kit at the local auto parts store. It was around $28, and it was surprising easy. I remember it didnt take more that an hour or so. Regards Mark TC8126 ----- Original Message ----- From: Charles Hill To: TABC Group Sent: Monday, April 18, 2005 4:28 PM Subject: Re: [mg-tabc] Bell Housing Nut Size They are metric - 8X1mm with a 5/16" BS hex head orginally - commonly referred to as Nuffield's Mad Metric. Someone had put 5/16 coarse threaded bolts in TC7387. I helicoiled all the holes. The helicoil is a much better idea for the fine thread in soft aluminum. Regards, Charles Hill Rick Storms wrote: >Does anyone know the correct thread size for the 6 bolts that hold the bell >housing to the transmission case? > >Thanks, >Rick Storms >TC 6776 > > > > > > >Yahoo! Groups Links > > > > > > > > > > Yahoo! Groups Links [Non-text portions of this message have been removed] Yahoo! Groups Links [Non-text portions of this message have been removed]

[Charles Hill]

Oops! My mistake. Don't know the answer to that one, but they should be metric - probably either 8X1 or 10X1.5. Regards, Charles Hill Rothgene Roth wrote:

>You guys are referring to the bolts that fasten the bell housing to the engine. The question is: The bell housing to the transmission bolts. >Gene Roth > > ----- Original Message ----- > From: Mark McCombstc8126@core.com> > To: TABC Groupmg-tabc@yahoogroups.com> > Sent: Monday, April 18, 2005 1:41 PM > Subject: Re: [mg-tabc] Bell Housing Nut Size > > > > This same thing had happened on my TD, and I bought an M8 Heli-coil kit at the local auto parts store. It was around $28, and it was surprising easy. I remember it didnt take more that an hour or so. > Regards > Mark TC8126 > ----- Original Message ----- > From: Charles Hill > To: TABC Group > Sent: Monday, April 18, 2005 4:28 PM > Subject: Re: [mg-tabc] Bell Housing Nut Size > > > > They are metric - 8X1mm with a 5/16" BS hex head orginally - commonly > referred to as Nuffield's Mad Metric. Someone had put 5/16 coarse > threaded bolts in TC7387. I helicoiled all the holes. The helicoil is > a much better idea for the fine thread in soft aluminum. > > Regards, > Charles Hill > > Rick Storms wrote: > > >Does anyone know the correct thread size for the 6 bolts that hold the bell > >housing to the transmission case? > > > >Thanks, > >Rick Storms > >TC 6776 > > > > >

[Roger Furneaux]

hi Rick - there are actually 8: they are 8 x 1.0mm as are all the bolts and studs in engine (MPJG as well as XPAG) and gearbox which would otherwise be 5/16". One important point though: Moss sells them but they are the same as their bellhousing bolts, 1" long, which is too short. They need to be at least 1 1/4" or 32mm. to give sufficient thread engagement. Needless to say, I make the correct ones under my "Mad Metrics" label. ocTagonally TCRoger, Devon, Olde England

>Does anyone know the correct thread size for the 6 bolts that hold the bell >housing to the transmission case? > >Thanks, >Rick Storms >TC 6776

[Chip Hellie]

Hi, I don't think the bolts are really 8X1.0mm are they? I think that would be a bolt 8mm dia. with a length of 1mm which is about 2 threads? I assume you're talking threads per inch, 1.0 as apposed to 1.25 or 1.50, right? Chip Hellie Dazed and confused (not really) --- Roger Furneaux roger.46tc@virgin.net> wrote:

> > hi Rick - there are actually 8: they are 8 x 1.0mm > as are all the bolts and > studs in engine (MPJG as well as XPAG) and gearbox > which would otherwise be > 5/16". One important point though: Moss sells them > but they are the same as > their bellhousing bolts, 1" long, which is too > short. They need to be at > least 1 1/4" or 32mm. to give sufficient thread > engagement. Needless to say, > I make the correct ones under my "Mad Metrics" > label. > > ocTagonally > > TCRoger, Devon, Olde England > > >Does anyone know the correct thread size for the 6 > bolts that hold the bell > >housing to the transmission case? > > > >Thanks, > >Rick Storms > >TC 6776 > > > > Yahoo! Groups Links > > > mg-tabc-unsubscribe@yahoogroups.com > > > > > >

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[Bob Grunau]

OK, 8.0 diameter x 1.0 pitch x 30 or 35 mm long. And no, not threads per inch but 1.0 mm pitch which is 25.4 threds per inch. Bob -----Original Message----- From: mg-tabc@yahoogroups.com [mailto:mg-tabc@yahoogroups.com]On Behalf Of Chip Hellie Sent: Tuesday, April 19, 2005 2:49 PM To: Roger Furneaux; Rick Storms Cc: .T-ABCs Subject: Re: [mg-tabc] Bell Housing Nut Size Hi, I don't think the bolts are really 8X1.0mm are they? I think that would be a bolt 8mm dia. with a length of 1mm which is about 2 threads? I assume you're talking threads per inch, 1.0 as apposed to 1.25 or 1.50, right? Chip Hellie Dazed and confused (not really) --- Roger Furneaux roger.46tc@virgin.net> wrote:

> > hi Rick - there are actually 8: they are 8 x 1.0mm > as are all the bolts and > studs in engine (MPJG as well as XPAG) and gearbox > which would otherwise be > 5/16". One important point though: Moss sells them > but they are the same as > their bellhousing bolts, 1" long, which is too > short. They need to be at > least 1 1/4" or 32mm. to give sufficient thread > engagement. Needless to say, > I make the correct ones under my "Mad Metrics" > label. > > ocTagonally > > TCRoger, Devon, Olde England > > >Does anyone know the correct thread size for the 6 > bolts that hold the bell > >housing to the transmission case? > > > >Thanks, > >Rick Storms > >TC 6776 > > > > Yahoo! Groups Links > > > mg-tabc-unsubscribe@yahoogroups.com > > > > > >

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