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Re: good drill size to prime a big block
[Re: mickm]
#1311105
09/26/12 05:59 PM
09/26/12 05:59 PM
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Joined: May 2003
Posts: 6,558
Downtown Roebuck Ont
Twostick
Still wishing...
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Still wishing...
Joined: May 2003
Posts: 6,558
Downtown Roebuck Ont
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Can't imagine why a 3/8 wouldn't do the job unless it is just wore out. Good excuse to buy a good cordless tho  . Something 18v or better. Kevin
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Re: good drill size to prime a big block
[Re: Dodgem]
#1311107
09/26/12 06:13 PM
09/26/12 06:13 PM
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Joined: Feb 2005
Posts: 28,312
Cincinnati, Ohio
Challenger 1
Too Many Posts
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Too Many Posts
Joined: Feb 2005
Posts: 28,312
Cincinnati, Ohio
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Quote:
I used to do it with a 3/8 had them smoking a few times lately been using a 1/2 drill it's just right! :-)
Yes you need a 1/2" drill imo. Milwaukee to answer your question on what brand imo.
If you own it you will use for something other than priming motors. Got to have a 1/2" drill as you go through life. 
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Re: good drill size to prime a big block
[Re: bobs66440]
#1311110
09/26/12 08:03 PM
09/26/12 08:03 PM
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Joined: Jun 2004
Posts: 3,319
Chicago Burbs
sthemi
master
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master
Joined: Jun 2004
Posts: 3,319
Chicago Burbs
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Milwaukee, 1/2 variable speed gear reduced..(like a Mopar starter). It will prime it, for a long time... Dont forget to rotate the engine while priming to get both rockers/ heads lubed... And ...hold on tight ! and run in reverse.. 
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Re: good drill size to prime a big block
[Re: sthemi]
#1311111
09/26/12 08:35 PM
09/26/12 08:35 PM
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Joined: Feb 2005
Posts: 28,312
Cincinnati, Ohio
Challenger 1
Too Many Posts
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Too Many Posts
Joined: Feb 2005
Posts: 28,312
Cincinnati, Ohio
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Just happen to have both of my Milwaukee 1/2" drills in the same place, don't happen often. Both drills easliy over 10 years old and the big one has honed many engines with a real sunnen hone which takes some big azz arms and a strong back. Then the drill get's so hot you can't can't hold it no more with heavy leather gloves on, many times and it still works like new. 
Last edited by Challenger 1; 09/26/12 08:40 PM.
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Re: good drill size to prime a big block
[Re: Exit1965]
#1311113
09/26/12 11:38 PM
09/26/12 11:38 PM
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Joined: Nov 2003
Posts: 36,040
Lincoln Nebraska
RapidRobert
Circle Track
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Circle Track
Joined: Nov 2003
Posts: 36,040
Lincoln Nebraska
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With it dot to dot (6/12 o'clock) #6 is on compression/with the timing marks at TDC I believe the pass head oils then back up 3/4 turn (270 deg) till #8 is firing (rotor under #8 cap terminal) & see if the dr head is oiling. Easier on you (& the drill) & wipes less goop off of the cam lobes
live every 24 hour block of time like it's your last day on earth
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Re: good drill size to prime a big block
[Re: AndyF]
#1311115
09/26/12 11:51 PM
09/26/12 11:51 PM
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Joined: Mar 2008
Posts: 5,746
Ontario, Canada
Dodgem
master
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master
Joined: Mar 2008
Posts: 5,746
Ontario, Canada
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Quote:
No need for a drill, just use a speed wrench and turn it by hand. You only need to spin the wrench a few times to build up the oil pressure.
God did not invent power tools so we could use manual tools! As tim says Ya need more power!
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Re: good drill size to prime a big block
[Re: Cab_Burge]
#1311117
09/27/12 08:06 AM
09/27/12 08:06 AM
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Joined: Jan 2003
Posts: 21,059
Niles , Ohio
therocks
oh wait.but hey.lets see.oh yeah.
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oh wait.but hey.lets see.oh yeah.
Joined: Jan 2003
Posts: 21,059
Niles , Ohio
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I use an old and I mean old Craftsman 1/2 that I got at a yard sale for 3 bucks probally 20 years ago.I tried 3/8s but they never had enough umph when the pressue built.I like to see a lot of oil flowing when I prime.Rocky
Chrysler Firepower
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Re: good drill size to prime a big block
[Re: AndyF]
#1311118
09/27/12 08:58 AM
09/27/12 08:58 AM
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Joined: Feb 2005
Posts: 28,312
Cincinnati, Ohio
Challenger 1
Too Many Posts
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Too Many Posts
Joined: Feb 2005
Posts: 28,312
Cincinnati, Ohio
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Quote:
No need for a drill, just use a speed wrench and turn it by hand. You only need to spin the wrench a few times to build up the oil pressure.
Tim Taylor the tool man said we are supposed to use power tools, arrrggh.
I do agree it can be done by hand but that would be more like work! 
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Re: good drill size to prime a big block
[Re: therocks]
#1311119
09/27/12 09:23 AM
09/27/12 09:23 AM
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Joined: Jan 2003
Posts: 74,937
U.S.S.A.
JohnRR
I Win
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I Win
Joined: Jan 2003
Posts: 74,937
U.S.S.A.
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Quote:
I use an old and I mean old Craftsman 1/2 that I got at a yard sale for 3 bucks probally 20 years ago.I tried 3/8s but they never had enough umph when the pressue built.I like to see a lot of oil flowing when I prime.Rocky
I have one of these big old 1/2 Craftsman drills , it only spins at 600 rpm.
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Re: good drill size to prime a big block
[Re: AndyF]
#1311120
09/27/12 12:16 PM
09/27/12 12:16 PM
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Joined: Jan 2003
Posts: 2,734
Charlotte, NC
446acuda
master
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master
Joined: Jan 2003
Posts: 2,734
Charlotte, NC
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Quote:
No need for a drill, just use a speed wrench and turn it by hand. You only need to spin the wrench a few times to build up the oil pressure.
 It takes less than a minute to prime with a speed handle.
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Re: good drill size to prime a big block
[Re: 446acuda]
#1311121
09/27/12 01:07 PM
09/27/12 01:07 PM
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Joined: Oct 2003
Posts: 3,698
NE Oklahoma
Von
master
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master
Joined: Oct 2003
Posts: 3,698
NE Oklahoma
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My dad had a couple of the aformentioned big 1/2 inch craftsman drills. It primed quite a few motors years back before finally passing.
I smoked my Dewalt 1/2 after priming 2 440s. Still works fine, but the batteries are toast.
Smoked my 1/2 Skil the other day on a sbc motor. The Skil doesnt have much umphh...
72 RR, Pump gas 440, 452s, 3800 lbs, Corked, ET Radials,. 11.33@117.72.
Same car, bone stock 346s, 9.5 comp, baby solid. 12.24@110.
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Re: good drill size to prime a big block
[Re: 446acuda]
#1311122
09/27/12 02:59 PM
09/27/12 02:59 PM
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Joined: Jul 2006
Posts: 4,179
California
mickm
OP
master
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OP
master
Joined: Jul 2006
Posts: 4,179
California
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Quote:
Quote:
No need for a drill, just use a speed wrench and turn it by hand. You only need to spin the wrench a few times to build up the oil pressure.
It takes less than a minute to prime with a speed handle.
ok, priming the pump i can understand. but i want to prime the engine. if it takes a good 1/2" drill to do this, then how can you possibly prime the engine by hand?
well, reasonably anyway. i'm sure it can be done, but it's probably better than a weeks workout at the gym!
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I agree on the 1/2 reversable 