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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: 6,560
Downtown Roebuck Ont
Twostick
Still wishing...
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Still wishing...
Joined: May 2003
Posts: 6,560
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
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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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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
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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
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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
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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: 21,065
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: 21,065
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
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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: 74,974
U.S.S.A.
JohnRR
I Win
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I Win
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Posts: 74,974
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
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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
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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
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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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Re: good drill size to prime a big block
[Re: 446acuda]
#1311125
09/27/12 05:15 PM
09/27/12 05:15 PM
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Joined: Dec 2006
Posts: 3,533
Indiana
Fury Fan
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Indiana
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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.
Not sure either why 1/2" is needed. I've done it many times with a plain 'ole $60 3/8" Dewalt. Yeah, it gets warm, but by that time the job is done anyway.
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Re: good drill size to prime a big block
[Re: 383man]
#1311126
09/27/12 06:14 PM
09/27/12 06:14 PM
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Joined: Jul 2006
Posts: 4,179
California
mickm
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wow, this has been an eye opener! my 3/8" drill is old, and while i may give it a try, i'm going to bail as soon as it shows any signs of not liking it. it's a perfect little drill for 90% of what i need to do, so i don't need to ruin it or send it on it's way to ruination just to prime one engine. i'm also going to give it a shot by hand and see how that goes. from the sounds of it, i won't need the 1/2", although as posted earlier, hard to get through life without a good 1/2"
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Re: good drill size to prime a big block
[Re: mickm]
#1311127
09/27/12 07:38 PM
09/27/12 07:38 PM
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Joined: Nov 2003
Posts: 36,040
Lincoln Nebraska
RapidRobert
Circle Track
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Circle Track
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Posts: 36,040
Lincoln Nebraska
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If you can would you note (& post) the 2 points where it oils
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: RapidRobert]
#1311128
09/28/12 12:32 AM
09/28/12 12:32 AM
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Joined: Jul 2006
Posts: 4,179
California
mickm
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California
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Quote:
If you can would you note (& post) the 2 points where it oils
i assume you mean where it oils the rocker shafts? my #4 cam journal is grooved, so it should provide constant oil, even if a small amount.
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Re: good drill size to prime a big block
[Re: mickm]
#1311129
09/28/12 01:03 AM
09/28/12 01:03 AM
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Joined: Nov 2003
Posts: 36,040
Lincoln Nebraska
RapidRobert
Circle Track
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Circle Track
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Posts: 36,040
Lincoln Nebraska
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In that case yes you'll have full time oiling
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: RapidRobert]
#1311130
09/28/12 02:55 AM
09/28/12 02:55 AM
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Joined: Jul 2006
Posts: 4,179
California
mickm
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may need to start another thread, but here goes.
only had 3 qts of oil, but wanted to check out priming it by hand or with the 3/8". tried for a while by hand, (yes, counter-clockwise), and didn't get anything. tried the 3/8", and it grabbed pretty quickly, but then let off and was turning fairly easily. i could hear what sounded like air being sucked up into the pickup. even though the filter was not primed, i still thought that 3 qts would be enough.
so i put a 4th qt in, and that seemed to do it. now the drill is turning pretty slow, it's an old drill, and not much torque there. the engine was at TDC on the #1 cylinder, and i started to get a good amount of oil at the passenger side exhaust rockers, but that's it. i moved the crank around a bit to where it thought it might line up the hole for the driver side, but didn't get anything there at all.
so what now? try with a stronger drill? i would definitely like to see oil on the other side before i button this thing up. i know the passages in the block and head are clear, i spent a lot of time with brushes cleaning everything out when i did the block.
is it just because i don't have enough power on the drill? i was thinking that even though the cam is grooved, if the hole was lined up for the pass side, that might have filled that side up, path of least resistance. now that it's full, it doesn't take much to push what's there out.
anyway, any suggestions on making sure i have oil on the other side?
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Re: good drill size to prime a big block
[Re: RapidRobert]
#1311134
09/28/12 01:29 PM
09/28/12 01:29 PM
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Joined: Jul 2006
Posts: 4,179
California
mickm
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OP
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California
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Quote:
Keep it all in the same thread! Dont button it up till you get the other side squared away. with full time oiling there's no reason both sides shouldn't be recieving oil. I'd continue to prime it & if need be take off the rocker assy & see if the pedestal has psi (as you know cover it with something). I'm assuming the cam is gooped and the intake is on so you wouldn't want to do alot of hand turning which you shouln't need anyhow. I'd continue to drill prime it & maybe toss in another qt (can drain the qt before firing to get the level right) & if the drill has enough oats to prime one side then it's enough for the other side.
it's a roller cam, so no issue there.
i'll do all that this weekend and post back. thanks!
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I agree on the 1/2 reversable 
