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Bellhousing Bolt Size?

 
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ZrodOffline
Joined: 03 Aug 2004
Total posts: 43
Location: Mid-Tenn
Gender: Male
PostPosted: Wed Dec 14, 2005 3:23 pm    Post subject: Bellhousing Bolt Size? Reply with quote

I'm building a fixture for welding the 7m engine side bell housing to the r151 trany half of the bell housing. My 22re bolts are not available and the 7m's are currently in use. Are the engine bell housing bolts 12mm diameter?

Rod
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78 turboZ
90 SWB, Xcab, 7mgte installed and running.
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AdamOffline
Joined: 15 Nov 2005
Total posts: 42
Location: Vancouver, BC
Age: 45
Gender: Male
PostPosted: Wed Dec 14, 2005 5:55 pm    Post subject: Reply with quote

Yes. I'm fairly certain they're M12 x 1.25 in a couple of different lengths.
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ZrodOffline
Joined: 03 Aug 2004
Total posts: 43
Location: Mid-Tenn
Gender: Male
PostPosted: Thu Dec 15, 2005 10:10 am    Post subject: Thanks, Reply with quote

Thanks for the reply. I just didn't have any handy to measure.

Rod
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90 SWB, Xcab, 7mgte installed and running.
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AdamOffline
Joined: 15 Nov 2005
Total posts: 42
Location: Vancouver, BC
Age: 45
Gender: Male
PostPosted: Thu Dec 15, 2005 11:06 pm    Post subject: Reply with quote

So sorry!!

Suddenly, something sounded all wrong so I removed one and measured and they are 10mm. These are the ones attaching the bellhousing to the tranny... M10 x 1.25

Again, sorry about that!

Adam
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ZrodOffline
Joined: 03 Aug 2004
Total posts: 43
Location: Mid-Tenn
Gender: Male
PostPosted: Wed Dec 21, 2005 8:39 am    Post subject: Engine to bellhousing bolts Reply with quote

Adam,

I was looking for the engine to bellhousing bolt size.

I did confirm the trany to bell bolt size and you are correct.

I've already drilled the welding fixture for the 12mm engine side bolts. Hopefully they will align and hold the R151 bell housing until I can scribe the rear pattern on the fixture. I'll know shortly.

Rod
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90 SWB, Xcab, 7mgte installed and running.
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