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#5257 - 08/29/14 07:18 AM Chucking reamer?
216Drew Offline
enthusiast

Registered: 02/09/10
Posts: 204
Wasn't sure where to post this question. Is it possible to use a chucking reamer(15/32) in a low speed hand drill on cast iron? Unsafe?

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#5259 - 08/29/14 01:18 PM Re: Chucking reamer? [Re: 216Drew]
CNC-Dude Offline

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Registered: 01/22/10
Posts: 1149
Loc: Parts unknown
I probably wouldn't chuck it real tight. Leave it a little loose so it will spin inside the chuck in case it grabs the cast iron. That way you will have a second or two to let off the trigger or just turn loose of the drill before it winds you up. Keep in mind that reamers are designed to only remove a small amount of material, and the hole shouldn't be more than .015"-.020" smaller that the reamer at that size range. So double check that before reaming. Find a working position that will allow you the most control with the drill, and don't work in an awkward position that in case the drill spins out of your hands it doesn't hit you in the head for instance.
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#5260 - 08/29/14 02:49 PM Re: Chucking reamer? [Re: CNC-Dude]
216Drew Offline
enthusiast

Registered: 02/09/10
Posts: 204
Thanks Scott. Yep, I don't need a noggin throbin'. smile

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#5261 - 08/29/14 04:10 PM Re: Chucking reamer? [Re: 216Drew]
CNC-Dude Offline

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Registered: 01/22/10
Posts: 1149
Loc: Parts unknown
Sure thing Drew. What kind of project are you working on with this?
_________________________
If you never are the lead dog....the view doesn't change!

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#5262 - 08/31/14 12:21 PM Re: Chucking reamer? [Re: CNC-Dude]
216Drew Offline
enthusiast

Registered: 02/09/10
Posts: 204
An old cast iron 235 intake manifold I am attempting to convert to a 2 barrel carb using some stacked 1/2 inch aluminum plate for the carb mount. I hope to use a 2 BBL Rochester. The current available 1 to 2 bbl adapters are not to my liking. This is for my slightly modified 261. The old one barrel just doesn't perform well enough and I really didn't want to double up on carbs, ala Offy manifold. Just tinkering I guess you could say and patiently waiting on your new offerings.

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#5263 - 08/31/14 10:28 PM Re: Chucking reamer? [Re: 216Drew]
Beater of the Pack Offline
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Registered: 01/24/10
Posts: 1058
Loc: Northern Nevada
I ran a GM 2-jet on my 270 GMC when I first got it going. It ran better than it does with the 500 Edelbrock. I don't know how much was the carb and how much was the long tube Viper headers. Some day I'll get the duel Zeniths on it.
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