jps
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| posted on 6/1/19 at 11:53 AM |
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Enlarging a hole I can't get the reamer to...
Now my hand reamer has arrived i'm all set to enlarge my shock absorber bracket holes to allow for 1/2 inch bolts. I've tested on a spare
bracket I had and it works well.
I have a problem though - the front upper shock bracket holes can't be accessed squarely with the reamer as there are chassis rails within 50mm
front and back - see pic below ('borrowed' from Ronnie on the Haynes forum) - you can see the rails either side.
Any locost ideas for how best to tackle this?
http://i274.photobucket.com/albums/jj266/Bonzoronnie/RedChassis.jpg
[Edited on 6/1/19 by jps]
[Edited on 6/1/19 by jps]
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daviep
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| posted on 6/1/19 at 01:03 PM |
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What size are they currently?
“A truly great library contains something in it to offend everyone.”
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big_wasa
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| posted on 6/1/19 at 01:27 PM |
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I would leave the hole alone and use a sleeve or top hat spacers depending on what the differance is. Or change the crush tube or bearing in the
shock.
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jps
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| posted on 6/1/19 at 02:48 PM |
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quote:
Originally posted by daviep
What size are they currently?
Good point - just over 12mm.
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ReMan
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| posted on 6/1/19 at 05:11 PM |
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I'd just use a file or rotary file for those
www.plusnine.co.uk
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Shooter63
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| posted on 6/1/19 at 10:52 PM |
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quote:
Originally posted by ReMan
I'd just use a file or rotary file for those
What he said plus a reamer isn't for hacking out over .5mm of material
Shooter
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Camber Dave
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| posted on 7/1/19 at 09:03 AM |
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Some of my reamers have been shortened and a nut welded on the end.
They will go anywhere the bolt will go.
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nick205
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| posted on 7/1/19 at 03:23 PM |
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If you can get the reamer started in the bracket you may get away with using mole grips to turn it bit by bit.
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bonzoronnie
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| posted on 7/1/19 at 06:12 PM |
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OMG
I can't believe it is almost 10 years since I built that chassis 
Sadly still under wraps in one of my sheds.
Bet it no longer resembles that picture. 
I know it's not of any help with your question.
When I bought my shocks, I had sleeves fitted to them to use M12 bolts rather than 1/2".
When I made my chassis suspension brackets I drilled them to 12.1mm as at the time, I thought .5mm clearance was too generous 
I guess if I had to enlarge the holes a tiny bit, I would turn to my right angled die grinder & stone
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