givemethebighammer
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| posted on 7/1/06 at 07:40 PM |
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Dowels for vernier pulleys.
Do I have to buy some special ones or can I get some from from somewhere else. They look like 6.5mm steel ones like you might use on a flywheel to
locate the clutch cover. But then I have only seen pictures.
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mookaloid
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| posted on 7/1/06 at 10:43 PM |
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can you use an old suitably sized drill bit shank?
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rusty nuts
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| posted on 8/1/06 at 09:48 AM |
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Piece of silversteel ? your local metal suppliers should have stock . Think they come in 300mm lengths so not too dear
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JB
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| posted on 8/1/06 at 10:29 AM |
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Dowels
I used to buy my dowels from the local fastner supplier. I also think Cromwell Tools stock them.
John
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garyo
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| posted on 8/1/06 at 12:01 PM |
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burtons sell dowels from around 25 pence each. You need to drill down by engine, but hopefully one of them will suit
https://www.burtonpower.com/sel_app.aspx?PGrp=90009&PSet=1
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jollygreengiant
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| posted on 8/1/06 at 05:41 PM |
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I didn't think that Zetec camshafts had any dowls. the timing is/was set by locator plates in the rear and the pulley's were fine
taper/clamp fit. Hence undo bolts and spin pulleys all you like. Fit belt, tighten bolts and bobs your uncle. For fine tuning Dial cams in with
vernier and protractor, then fit belt and lock bolts. JD.
But I could be proved wrong.
Beware of the Goldfish in the tulip mines. The ONLY defence against them is smoking peanut butter sandwiches.
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rusty nuts
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| posted on 8/1/06 at 06:38 PM |
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Suspect GMTBH is using a vernier type pulley
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givemethebighammer
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| posted on 9/1/06 at 01:01 PM |
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quote:
Originally posted by rusty nuts
Suspect GMTBH is using a vernier type pulley
Yup, Kent recommend you dowel the vernier pulleys to the camshafts.
Thanks for the links
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givemethebighammer
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| posted on 10/1/06 at 10:49 PM |
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It has been suggested that using roll pins with a little loctite for good measure would be a good way to dowel the verniers to the cams. So how
smaller hole do I need to drill for a good tight fit with a 6mm roll pin ?
thanks
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NS Dev
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| posted on 10/1/06 at 11:27 PM |
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Hi!
Roll pin holes are the nominal pin diameter, so for a 6mm pin you need a 6mm hole, which keeps things nice and easy!
The pin is oversize by the correct amount to give the correct fit.
Oh, and yes, a roll pin will be just the job for holding the pulleys in position when setting the timing.
Retro RWD is the way forward...........automotive fabrication, car restoration, sheetmetal work, engine conversion
retro car restoration and tuning
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givemethebighammer
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| posted on 11/1/06 at 09:50 PM |
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Thanks Nat couple of 6mm roll pins it is then and I'll have everything ready to go on the new cams.
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