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abit off center
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Snap-on Stud puller collet
Well, when they are out of stock you need to do what you need to do, nothing with being cheap, but these collets are not that hard to make, just need to cut the reliefs. This is a homemade 6x1.00
 
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______________________ Craig G2Performance Twinplug, head work, case savers, rockers arms, etc. |
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02-27-2009, 07:53 AM
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Friend of Warren
Join Date: Oct 2000
Location: Lincoln, NE
Posts: 16,492
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Nice work!
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Kurt V No more Porsches, but a revolving number of motorcycles. |
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02-27-2009, 07:56 AM
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Registered
Join Date: Mar 2001
Location: Marysville Wa.
Posts: 22,431
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you need a band-aid.
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https://www.instagram.com/johnwalker8704 8009 103rd pl ne Marysville Wa 98270 206 637 4071 |
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02-27-2009, 08:34 AM
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Registered
Join Date: Oct 2001
Location: San Carlos, CA US
Posts: 5,521
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Some homes are better equipped than other homes. My home has nothing that will turn out a piece of work like that. I do have lots of band aids.
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Porsche 2005 GT3, 2006 997S with bore-scoring Exotic: Ferrari F360F1 TDF, Ferrari 328 GTS Disposable Car: BMW 530xiT, 2008 Mini Cooper S Two-wheel art: Ducati 907IE, Ducati 851 |
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02-27-2009, 09:57 AM
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Registered
Join Date: Apr 2001
Location: Linn County, Oregon
Posts: 48,522
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Evren has the whole set of metric ones...but considering their cost, I've often wondered why somebody hasn't set up a rental on them...I mean, other than a full time pro, how often do you need them?
Great Job of making one!
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"Now, to put a water-cooled engine in the rear and to have a radiator in the front, that's not very intelligent." -Ferry Porsche (PANO, Oct. '73) (I, Paul D. have loved this quote since 1973. It will remain as long as I post here.) |
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02-27-2009, 10:04 AM
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EMT/TechRescue Instructor
Join Date: Mar 2007
Location: Moncks Corner, SC
Posts: 342
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I didn't even know band-aids came in metric! I gotta get me some, cause rentin 'em is outa tha question! 
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David 1986 Iris blue 911 Cabriolet 2017 Ram 1500 Night edition 2025 BMW X-5 Last edited by 86911cab; 02-27-2009 at 10:27 AM.. Reason: to be funnier haha |
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02-27-2009, 10:25 AM
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abit off center
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Well its done and works great, now to make an 8mm smooth bore for pulling the dowels on the heads.
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______________________ Craig G2Performance Twinplug, head work, case savers, rockers arms, etc. |
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02-28-2009, 09:00 AM
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Registered
Join Date: Jul 2002
Location: Atlanta
Posts: 7,125
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I am not 100% how it works can you show a picture of it on the stud?
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erik.lombard@gmail.com 1994 Lotus Esprit S4 - interesting! 84 lime green back date (LWB 911R) SOLD  RSR look hot rod, based on 75' SOLD 73 911t 3.0SC Hot rod Gulf Blue - Sold. |
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02-28-2009, 11:08 AM
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abit off center
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As you tighten up the collet it clamps down on the threads without damage then you just spin it out.
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______________________ Craig G2Performance Twinplug, head work, case savers, rockers arms, etc. |
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02-28-2009, 03:12 PM
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Join Date: Jul 2002
Location: Atlanta
Posts: 7,125
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OK I just needed to see the other end. Looks like a very handy item when working on old stuff.
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erik.lombard@gmail.com 1994 Lotus Esprit S4 - interesting! 84 lime green back date (LWB 911R) SOLD RSR look hot rod, based on 75' SOLD 73 911t 3.0SC Hot rod Gulf Blue - Sold. |
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02-28-2009, 03:51 PM
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Hey Craig, wish I had that tool yesterday. Figured that all my extraction tools would do the trick, but as you know those two gave me a hard time. I drilled out one (took me about 3 hours) and it doesnt look pretty, but should still be ok. I think i will install case saver with jb weld just to strengthen it. All others look great though. Luckily the two iffy broken studs are on different cylinders so we shall see. Any thoughts on jb welding a case saver in a not so perfect hole?
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02-28-2009, 07:16 PM
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abit off center
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Just made the smooth bore 8mm for pulling the dowels. A twist and a pull and they come right out, no damage to the dowel either.
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______________________ Craig G2Performance Twinplug, head work, case savers, rockers arms, etc. |
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03-01-2009, 10:58 AM
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Registered
Join Date: Jul 2006
Location: S. Florida
Posts: 7,249
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Quote:
Makes me wonder if a good quality 1/2" drill chuck could twist and pull out solid locating dowels like that. Especially if you heat the head then hold an ice cube on the dowel for a few seconds or more first. |
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03-01-2009, 11:32 AM
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A 1/2" drill chuck would not distribute the holding/clamping power over the same surface area as Craig's collet setup does. Perhaps the use of some shim stock around the dowel would prevent any marking/marring. However. if I had a choice, the collet would get the nod every time.
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If it flows, it goes. If its smooth, it moves. Any questions? 96 993 C2 (Current) 87 911 Factory Turbo-Look Cab (Sold) 85 911 Factory Turbo-Look Targa (Gone) |
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03-01-2009, 03:20 PM
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Join Date: Jul 2002
Location: Atlanta
Posts: 7,125
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Why do you even have to remove the dowels? So you can machine the surface?
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erik.lombard@gmail.com 1994 Lotus Esprit S4 - interesting! 84 lime green back date (LWB 911R) SOLD RSR look hot rod, based on 75' SOLD 73 911t 3.0SC Hot rod Gulf Blue - Sold. |
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03-01-2009, 03:44 PM
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abit off center
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Quote:
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______________________ Craig G2Performance Twinplug, head work, case savers, rockers arms, etc. |
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03-01-2009, 05:10 PM
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1969 and 1986 Porsche Targa and Coupe 1720cc and 3
SILVER BULLET
Jake
1992 GMC Typhoon
1990 Chevy S10 BAJA
2001 Aprilia RSV Mille (sold, but not forgotten)
1987 Porsche 911 3.2
