dave-69isit
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| posted on 6/2/13 at 11:19 PM |
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blocking holes in carbs
just striped my throttle boddies removed the rear butterflys just wonderd whats the best way to block the holes left by the pin that went threw the
boddies i was going to fill the holes with chemi metal any ideas
sorry wrong page
[Edited on 6/2/13 by dave-69isit]
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steve m
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| posted on 6/2/13 at 11:55 PM |
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I would find a ball bearing, slightly bigger than the hole, and knock it in, and then fill will chemical metal
even if you had to drill the hole out slightley for the ball to be a snug fit
Steve
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snapper
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| posted on 7/2/13 at 06:12 AM |
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Wouldn't bother with a ball bearing
Just epoxy or chem metal
Your only blocking a hole and it will be mostly at atmospheric or vac
I eat to survive
I drink to forget
I breath to pi55 my ex wife off (and now my ex partner)
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will121
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| posted on 7/2/13 at 07:01 AM |
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I made up some aluminium top hat blank plugs and epoxy glued them in so impossible to fall into the inlet, I think I would be a bit concerned about a
chemical metal plug in a 5mm ish parallel hole, may be ok if you can form a mushroom like cap on the outside rather than finish it flush
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Daddylonglegs
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| posted on 7/2/13 at 07:27 AM |
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I agree with the chemical metal route. As long as you clean it thoroughly first and make sure there is a small mushroom head as already suggested on
the outside. If it's mixed right and applied to a good clean surface it's damn good stuff.
HTH
It looks like the Midget is winning at the moment......
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renetom
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| posted on 7/2/13 at 08:00 AM |
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Drill it ,Tap it, use a flange head
screw with locktite.
Or a fat self tapper & araldite.
[Edited on 7/2/13 by renetom]
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britishtrident
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| posted on 7/2/13 at 08:01 AM |
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Tap the hole an put a set screw in it.
[I] “ What use our work, Bennet, if we cannot care for those we love? .”
― From BBC TV/Amazon's Ripper Street.
[/I]
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JeffHs
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| posted on 7/2/13 at 08:53 AM |
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Weber service manual says use lead. I drilled mine out to de-fur the passages then made lead plugs from some scrap flashing. I used a heavy duty hole
punch to make the plugs then tapped them in - self sealing.
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Daddylonglegs
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| posted on 7/2/13 at 09:44 AM |
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quote:
Originally posted by JeffHs
Weber service manual says use lead. I drilled mine out to de-fur the passages then made lead plugs from some scrap flashing. I used a heavy duty hole
punch to make the plugs then tapped them in - self sealing.
What a damn fine idea! One to remember 
It looks like the Midget is winning at the moment......
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matt_gsxr
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| posted on 7/2/13 at 09:48 AM |
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I used JB weld, but didn't rough up the surfaces when I blocked the secondary throttle plates on my gsxr1000 TBI's.
This worked fine.
Then I added a turbo and two of them popped out at 8psi, probably due to the pressure and heat. So I tapped a thread to roughen it up and then filled
with JB weld and all seems fine.
Matt
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snapper
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| posted on 7/2/13 at 12:12 PM |
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Chemical metal if applied properly is used to raise port floors in a pinto
I eat to survive
I drink to forget
I breath to pi55 my ex wife off (and now my ex partner)
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redturner
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| posted on 24/2/13 at 07:06 PM |
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Lots of steel balls used to block holes in a Ford block and lots used to block holes in Weber carbs. I used plastic metal to block the air correction
jets in my R1 s and then redrilled them to the size we wanted.....
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