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 4Likes
10-27-2013, 06:22 AM
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CC Member
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Join Date: Oct 2013
Cobra Make, Engine: BDR #721, Performance Engineering 427
Posts: 23
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Not Ranked
Trouble with knock off spinners
Hi Everyone
New to the Club. Relatively new owner of a Backdraft. Still figuring things out.
I have full polished Halibrands held on by peg drives and spinners. As hard as I try, I can't get the spinners off. Yes, I've used penetrating oil and beat on them with a lead hammer. And yes, I've rolled the car forward/back to pound equally on the spinners. No luck. 
Does anyone have a trick for this? |
10-27-2013, 06:32 AM
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CC Member
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Join Date: Dec 2001
Cobra Make, Engine: BDR
Posts: 536
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Not Ranked
Are you hitting them in the right direction? Left side of rim facing it ...hit down.
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10-27-2013, 06:34 AM
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CC Member
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Join Date: Apr 2012
Location: Bay Area (Peninsula),
CA
Cobra Make, Engine: ERA 427, 427/487 side-oiler
Posts: 1,248
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Not Ranked
Sounds like you recently got the car and never had the spinners off before? Any way to find out if they were installed with anti-seize? There are multiple threads on this topic btw.
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10-27-2013, 06:39 AM
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CC Member
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Join Date: Oct 2013
Cobra Make, Engine: BDR #721, Performance Engineering 427
Posts: 23
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Not Ranked
Yes, I've been hitting them in the right direction.
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10-27-2013, 07:16 AM
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Senior Club Cobra Member
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Join Date: Jun 2003
Location: West Linn,
OR
Cobra Make, Engine: ERA #684, 428 FE, TKO600
Posts: 1,378
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Not Ranked
Lots of threads on this, just do a search. Non an uncommon problem with pin drives with new owners. Go through the previous threads. Unfortunately no silver bullet fix out there but a lot of different approaches.
When you finally get them off take everyone's advice and use anti-seize when you put them back on.
DonC
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10-27-2013, 07:28 AM
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Backdraft Racing Dealer
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Join Date: Dec 2004
Location: North Haven,
CT
Cobra Make, Engine: Backdraft Racing
Posts: 5,123
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Not Ranked
Quote:
Originally Posted by mln385
Are you hitting them in the right direction? Left side of rim facing it ...hit down.
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Down on the front side or back side of the wheel? 
That said, you likely are the victim of wheels that have never been off by the previous owner. If you are certain you are striking the correct direction than try heat. Heat the ring of the knock off, just keep moving the torch around and get it warm, then hammer time. Not heating to the glowing stage. |
10-27-2013, 07:41 AM
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CC Member
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Join Date: Jun 2013
Location: Sacramento,
Ca
Cobra Make, Engine: Superformance, 427SO
Posts: 389
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Not Ranked
Quote:
Originally Posted by Igotta P
Yes, I've been hitting them in the right direction.
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Not trying to beat a dead horse, but it is very common with new owners not understanding that the knock-offs don't have the same thread on each side of the car. The left side of the car has right hand threads and the right side of the car has left hand threads. If you already understand that, then just disregard my comment. Also, you may want to look at Craig's Cobras website. He has some info on there about getting off stubborn knock-offs.
Good Luck.
Ted |
10-27-2013, 08:02 AM
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CC Member
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Join Date: Jul 2011
Location: San Jose,
Ca.
Cobra Make, Engine: Superformance #1723-427 Windsor
Posts: 82
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Not Ranked
Quote:
Originally Posted by Shootnride
Not trying to beat a dead horse, but it is very common with new owners not understanding that the knock-offs don't have the same thread on each side of the car. The left side of the car has right hand threads and the right side of the car has left hand threads. If you already understand that, then just disregard my comment. Also, you may want to look at Craig's Cobras website. He has some info on there about getting off stubborn knock-offs.
Good Luck.
Ted
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Get the weight off the wheels and always hit the spinner toward the front of the car |
10-27-2013, 08:59 AM
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CC Member
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Join Date: Nov 2007
Location: Clayton,
IN
Cobra Make, Engine: ERA 838
Posts: 1,130
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Not Ranked
I wouldn't get the weight off the wheels to hit them. You are then pounding the bearings.
John
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10-27-2013, 09:00 AM
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Senior CC Premier Member
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Join Date: Nov 2004
Location: SoCal,
CA
Cobra Make, Engine: CSX #4xxx with CSX 482; David Kee Toploader
Posts: 3,574
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Not Ranked
There is a lot of info on this subject here on this site. Just remember they knock tight spinning towards the front of the car and loose towards the back. There is even a YouTube video link somewhere here. Don't forget the anti-seize and safety wire when you put them back on!
__________________
All that's stopping you now Son, is blind-raging fear.......
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10-27-2013, 09:28 AM
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CC Member
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Join Date: Apr 2009
Location: Little Rock area,
AR
Cobra Make, Engine: ERA Street Roadster #782 with 459 cu in FE KC engine, toploader, 3.31
Posts: 4,532
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Not Ranked
Quote:
Originally Posted by Grubby
I wouldn't get the weight off the wheels to hit them. You are then pounding the bearings.
John
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There are two schools of thought on this. Sitting on the ground the weight of the vehicle is bearing on the chamfer connection between the spinner/wheel which interfers with it loosening - but the energy of the hammer blow is being transferred to the spinner. In the air, the weight of the car is mostly off of the spinner/wheel interface - but a lot of your hammer energy is being absorbed by the suspension.
Personnally, I prefer to loosen/tighten with the wheel on the ground.
I guess you could compromise and jack the car up to slightly unload the wheel but with the wheel still in solid contact with the ground.  |
10-27-2013, 09:35 AM
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CC Member/Contributor
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Join Date: Mar 2012
Posts: 445
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Not Ranked
Quote:
Originally Posted by mln385
are you hitting them in the right direction? Left side of rim facing it ...hit down.
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Quote:
Originally Posted by mike harter
get the weight off the wheels and always hit the spinner toward the front of the car
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Quote:
Originally Posted by bernica
just remember they knock tight spinning towards the front of the car and loose towards the back.
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:lol:
:cry:
Last edited by itstock; 10-27-2013 at 10:22 AM..
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10-27-2013, 09:49 AM
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CC Member
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Join Date: Sep 2010
Location: Mineapolis,
MN
Cobra Make, Engine: SPF, 395 Stroker
Posts: 90
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Not Ranked
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10-27-2013, 10:01 AM
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Senior Club Cobra Member
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Join Date: Feb 2005
Posts: 651
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Not Ranked
Quote:
Originally Posted by chucks1
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To quote Jamo....."assolutely." 
Unless Backdraft knock-offs are the opposite of mine, some of these posts are gonna confuse the h*** out of the OP.
David |
10-27-2013, 11:12 AM
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CC Member
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Join Date: Feb 2001
Location: BRADENTON,
FL
Cobra Make, Engine: KIRKHAM 427 S/C, SHELBY 427 ALUM. STROKER
Posts: 1,396
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Not Ranked
I have seen a number of K.O. adapters installed on the wrong side of the car. Look at the threads (if you can see any) very closely to see if they are the proper rotation for the side they are installed on. Remember "tight a$$" tighten toward rear of car when struck above horizontal centerline of axle.
__________________
"When Injustice becomes Law,
Rebellion becomes Duty." T. Jefferson
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10-27-2013, 12:50 PM
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CC Member
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Join Date: Jan 2001
Location: Cape Coral,
FL
Cobra Make, Engine: 2009 Solbra
Posts: 3,861
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Not Ranked
Get a breaker bar & this wrench
__________________
Dan Wulff
I carry a gun because a cop is too heavy.
(No doubt, most will blame it on the donuts.)
You're just jealous because the voices only talk to me
Earth is the insane asylum for the universe.
The gene pool could use a little chlorine.
The original point and click interface was a Smith & Wesson.
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10-27-2013, 03:10 PM
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CC Member
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Join Date: May 2001
Location: California,
Ca
Cobra Make, Engine: NAF 289 Slabside Early Comp Car with 289 Webers and all the goodies. Cancelling the efforts of several Priuses
Posts: 6,592
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Not Ranked
Judicious application of heat on the knock off with a portable propane torch, dont overdo it.
__________________
Rick
As you slide down the Banister of Life, may the splinters never be pointing the wrong way 
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10-27-2013, 05:04 PM
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CC Member
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Join Date: Oct 2013
Cobra Make, Engine: BDR #721, Performance Engineering 427
Posts: 23
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Not Ranked
Thanks to all for your suggestions and thanks CobraDan. I wondered if such a tool existed. Fricking expensive though. Has anyone used one of these? |
10-27-2013, 05:16 PM
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CC Member
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Join Date: Aug 2012
Location: Houston,
TX
Cobra Make, Engine: Backdraft #1185, VMS 427r
Posts: 87
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Not Ranked
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10-27-2013, 08:40 PM
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CC Member
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Join Date: Jan 2008
Location: Nashville,
TN
Cobra Make, Engine: Backdraft, SBF 351w (463 CI)
Posts: 272
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Not Ranked
Igotta
What is the weight of your lead hammer?
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