adwest ntc8223 manual steering box bolt size - Defender Source
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  #1  
Old June 13th, 2015, 09:29 AM
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Charles Galpin
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adwest ntc8223 manual steering box bolt size

This shouldn't be hard, but i can't figure out the right thread size for the bolts that mount my steering box to the frame.

The steering box is an adwest, with the label showing

adwest eng. ltd. England
ntc 8223
date code serial no
3 - J - 0997

The manual says ntc8223 is a gemmer and it needs bolts

4 x BH607381 (7/17 20) up to vin 323657
or
4 x BX112201 (m12 1.5) from vin 323685

I have run a tap of both sizes through one of th holes and neither one jumps out at me as being the better fit. Since this is the steering I really don't want to F this up.

Of course I have no idea what the serial # of the truck is that this came from since I bought it used. Any thoughts? Am I making too much of this?
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  #2  
Old June 13th, 2015, 09:52 AM
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Skinny Pete
'84 90 "Yamelo"/'88 RRC "Chewbacca"
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clay has the bolts
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Present:
1960 SII 109"- "Red Square"
1984 90 Tdi- "Yamelo"
1988 RRC- "Chewbacca"
1987 RRC- "Chewy 2"
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Past:
1959 SII 88"- "The Little Green Beastie" last seen in NY
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1988 90 "Eric the Half a Bee" half a truck, sold for parts
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Old June 13th, 2015, 10:06 AM
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Charles Galpin
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I just ordered both, but sent him an email anyway, thanks!
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Old June 14th, 2015, 09:29 PM
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Pablo Cocito
1987 Tithonus 110
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adwest ntc8223 manual steering box bolt size

My '87 110 had the M12 x 1.5 120mm long. They are bolts with nuts so the most important thing is the hardness and the length.
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  #5  
Old June 15th, 2015, 10:10 PM
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Charles Galpin
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Mine has threaded holes in the box. I ended up saying F it and buying both. I can use the other four to mount the center crossmember.
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