ed_crouch
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| posted on 13/11/06 at 07:28 PM |
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711M Xflow block - imperial threads?
All (esp Jimmyjoebob)
Does anybody know what kid of threads are tapped into the Xflo block for things like engine mounts etc. Im building an engine which didnt come with
ancillary bolts, and could do with knowing whether they are BSP, UNF, UNC or whatever..
Any ideas??
Ed.
I-iii-iii-iii-ts ME!
Hurrah.
www.wings-and-wheels.net
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thunderace
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| posted on 13/11/06 at 07:32 PM |
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you can buy a full bolt kit on ebay for £40
http://cgi.ebay.co.uk/X-Flow-Crossflow-Engine-Bolt-Set-Escort-Capri-Cortina_W0QQitemZ290047706982QQihZ019QQcategoryZ27377QQssPageNameZWDVWQQrdZ1QQcmdZ
ViewItem
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David Jenkins
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| posted on 13/11/06 at 08:29 PM |
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Mostly UNC, apart from things like the oil pressure sender (NPT, I think - best check that one).
A/F spanners will be required...
David
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rusty nuts
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| posted on 13/11/06 at 09:44 PM |
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As David says mostly UNC although the exhaust studs and the inlet stud use a UNF thread on the outer end
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02GF74
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| posted on 14/11/06 at 07:55 AM |
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quote:
Originally posted by rusty nuts
As David says mostly UNC although the exhaust studs and the inlet stud use a UNF thread on the outer end
they are 5/16 UNC into the block, the other end is whatever you like within reason  normally 5/16 UNF but no reason why you couldn't go
metric with 8 mm if you could find them, just make sure you use the correct nut/nyloc 
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Marcus
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| posted on 14/11/06 at 09:01 AM |
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quote:
just make sure you use the correct nut/nyloc
Please don't use a nyloc on an exhaust manifold!
Brass nuts are best - they don't sieze.
Marcus
Because kits are for girls!!
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rusty nuts
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| posted on 14/11/06 at 07:18 PM |
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Anyone know what thread the crankshaft pulley bolt is 0.430" dia 20 T.P.I couldn't find it in my Zues . Going to need a longer bolt to
mount trigger wheel
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David Jenkins
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| posted on 14/11/06 at 08:08 PM |
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I'm glad you asked that question... that's a job that I'll have to do in the very near future! 
David
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rusty nuts
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| posted on 14/11/06 at 09:12 PM |
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Hope to turn up spacer between the steel crank pulley and the trigger wheel , bolt to a spare crank and weld spacer to pulley . After fitting the
sensor will drill the trigger wheel in perhaps 3 unequally spaced points that will be beneath the thick washer and use roll pins to locate wheel to
pulley and usinga longer bolt to hold it all on .
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David Jenkins
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| posted on 24/11/06 at 08:00 PM |
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quote:
Originally posted by rusty nuts
Anyone know what thread the crankshaft pulley bolt is 0.430" dia 20 T.P.I couldn't find it in my Zues . Going to need a longer bolt to
mount trigger wheel
This answer is way past its sell-by date - but it's 7/16" UNF! (Guess who's been working on his pulley today...)
I've just made my spacer - just waiting for Namrick to supply me with a longer bolt.
David
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rusty nuts
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| posted on 24/11/06 at 09:22 PM |
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Your right about the crankshaft pulley bolt being 7/16"UNF but suspect the one I measured has stretched . It should be 0.437" diameter .
Will be making spacer etc hopefully this weekend.
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David Jenkins
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| posted on 24/11/06 at 09:40 PM |
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If you got your toothed wheel from the same place as me then you may have to be "creative". Mine came with a bore of 1/2" that
rattled on the 7/16" bolt - as the gap between the wheel and the sensor is quite small I decided to improve matters by boring the hole out to
3/4" and machining a step on the spacer to match - now there's no rattle.
David
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rusty nuts
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| posted on 25/11/06 at 07:22 AM |
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Sounds like I will be doing the same , went for the 4 1/2" wheel to mount to my 4" pulley . Hope that going to work
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