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 25Likes
04-05-2020, 09:51 AM
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CC Member
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Join Date: Oct 2016
Location: Pleasanton,
CA
Cobra Make, Engine: ERA 824 with 470 FE BBM street 427
Posts: 550
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Not Ranked
Quote:
Originally Posted by xb-60
ERAs are built strong. There's clearly one way to prove it...."The crane test."
Keep a camera on hand. I look forward to seeing the results 
Stay safe!
Glen |
"Here, hold my beer!"  |
04-05-2020, 09:53 AM
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CC Member
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Join Date: Oct 2016
Location: Pleasanton,
CA
Cobra Make, Engine: ERA 824 with 470 FE BBM street 427
Posts: 550
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Not Ranked
Quote:
Originally Posted by DanEC
Hey Bubba - hold my beer and watch this.  |
Damn, hate it when my smart-ass remark is just 20 minutes after somebody elses! |
04-05-2020, 09:58 AM
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CC Member
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Join Date: Aug 2013
Location: Canandaigua,
NY
Cobra Make, Engine: SPF MKII Riverside Racer FIA
Posts: 2,496
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Not Ranked
As I have said in another post, and Glen confirmed, horizontal pull on one jack post will work without deflection to get your car towed up onto a tow truck, if the bolts are of sufficient strength and the quick jack mount is made of sufficient strength steel and welded well. Done it over a 100 times to get the race car on and off the trailer with no deflection in the mount.
Patrick, I did think that your wrapped strap was a good idea until others pointed out the bending force that would pull the quick jacks together.
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04-05-2020, 10:42 AM
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Half-Ass Member
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
Posts: 22,001
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Not Ranked
Quote:
Originally Posted by 1795
Patrick, I did think that your wrapped strap was a good idea until others pointed out the bending force that would pull the quick jacks together.
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Actually, I plan on fabbing up a beautiful looking folding tow hook on the front quick jack, with the tow hook receiver mounted behind the quick jack itself, the quick jack threaded rods and bolts all upgraded to Grade 8, and a new 5/8" hole going through the middle of the quick jack in to the receiver, so the tension from the hook is straight on the bolts and threads and nothing is in shear. The hook unscrews and can be moved from front to rear. But it doesn't hurt to work the crowd up every once and a while.  This is what it will look like:
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04-05-2020, 11:23 AM
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CC Member
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Join Date: Jan 2018
Location: Lafayette,
IN
Cobra Make, Engine: Looking to buy
Posts: 1,295
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Not Ranked
Looks nice!
__________________
 Cobra loving, autocrossing Grandpa Architect.
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04-05-2020, 06:02 PM
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CC Member
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Join Date: Aug 2009
Location: Adelaide,
SA
Cobra Make, Engine: AP 289FIA 'English' spec.
Posts: 13,150
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Not Ranked
Quote:
Originally Posted by patrickt
Actually, I plan on fabbing up a beautiful looking folding tow hook on the front quick jack, with the tow hook receiver mounted behind the quick jack itself, the quick jack threaded rods and bolts all upgraded to Grade 8, and a new 5/8" hole going through the middle of the quick jack in to the receiver, so the tension from the hook is straight on the bolts and threads and nothing is in shear. The hook unscrews and can be moved from front to rear. But it doesn't hurt to work the crowd up every once and a while. This is what it will look like:
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Purely from a spectator enjoyment perspective, I, and I think others, would definitely prefer the crane test on the sling/straps.
Destructive testing is just so much fun!
Roll on!
I have a beer ready, so "cheers"!
Glen |
04-05-2020, 06:07 PM
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Half-Ass Member
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
Posts: 22,001
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Not Ranked
I would have cheated by wedging a 2'x4' between the two quick jacks. Then, if Bob was right and those threaded rods are really B7 Alloy, then I'm winning that crane bet every time. |
04-05-2020, 10:10 PM
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CC Member
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Join Date: Sep 2008
Cobra Make, Engine: csx4163 full comp alu. body
Posts: 368
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Not Ranked
I have jacked up car with rod between quick jacks and one floor jack in center of rod, I then put jack stands close to quick jacks but there is extra reinforcing from frame on my car. Only continuation competition and challenge cars are reinforced to my knowledge. Would not dare to even try on Bennett car.
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04-09-2020, 12:50 PM
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Half-Ass Member
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
Posts: 22,001
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Not Ranked
This should do nicely...
Well this should do the trick.
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04-09-2020, 03:48 PM
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CC Member
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Join Date: Mar 2013
Location: Lewes,
DE
Cobra Make, Engine: ERA #448, 1964-427
Posts: 111
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Not Ranked
I thought April Fools Day was a few days ago????
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04-09-2020, 04:28 PM
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Half-Ass Member
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
Posts: 22,001
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Not Ranked
Quote:
Originally Posted by awfink55
I thought April Fools Day was a few days ago????
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Hardly.  This weekend I'll fab the back mounting for that directly behind and through the quick jack plate and mount it so that it's easily removable for placement on the rear quick jack or in the glove box. Now, there are a lot of cheap "cosmetic" tow hooks out there for as little as ten bucks. If you buy one, make sure you buy quality. There are a number of test videos on YouTube where they destroy the cheap knock offs. That little gem in the pic goes for $125. |
04-09-2020, 04:30 PM
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CC Member
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Join Date: Sep 2018
Location: Howell,
NJ
Cobra Make, Engine: Backdraft Car #1209 Roush 427R
Posts: 607
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Not Ranked
Yes absolutely. Go for it. Please post the video. LOL
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04-09-2020, 04:49 PM
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Half-Ass Member
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
Posts: 22,001
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Not Ranked
Quote:
Originally Posted by FredG
Yes absolutely. Go for it. Please post the video. LOL
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Now, you know I'm not going to actually dangle my car from a crane, but this installation should be able to easily handle it, if I so chose. The installation is directly through the face of the quick jack, which is 1/4" thick steel. The tow hook is fastened with a 5/8-11 Grade 8 flange bolt. The bolt is welded to the back of the quick jack so that the tow hook is easily unscrewable and mountable to the rear quick jack as well or for storage in the glove box. The hardware fastening the quick jack to the frame is 3/8" B7 Alloy, which is roughly equivalent to Grade 5. That's easily upgradeable to Grade 8. |
04-09-2020, 06:30 PM
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Full Blown Member
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Join Date: Sep 2008
Cobra Make, Engine: KMP 427 S/C, Twin Paxton 511 FE
Posts: 2,594
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Not Ranked
....or, you can mount it to the top of your passenger roll bar.
Then lift with a crane and see if you can pull it right off.
You know, for Chas. 
__________________
rodneym
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04-09-2020, 06:39 PM
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Half-Ass Member
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
Posts: 22,001
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Not Ranked
Here are two teaser pics to give you a rough idea of what it will look like after it's drilled and mounted. Obviously it will be cleaner and crisper when it's bolted through the face of the QJ. Yes, it will look cool.
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04-09-2020, 06:49 PM
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CC Member
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Join Date: Aug 2009
Location: Adelaide,
SA
Cobra Make, Engine: AP 289FIA 'English' spec.
Posts: 13,150
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Not Ranked
Patrick,
I know you can't in the current environment, but really...you need to get out more 
Stay sane 
Glen |
04-09-2020, 07:36 PM
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Half-Ass Member
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
Posts: 22,001
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Not Ranked
... considering I've been towed up on to a flatbed once in the last 15 years. |
04-10-2020, 01:07 AM
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CC Member
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Join Date: Aug 2009
Location: Adelaide,
SA
Cobra Make, Engine: AP 289FIA 'English' spec.
Posts: 13,150
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Not Ranked
You've been out once in the last 15 years and that was on a flatbed....?  |
04-10-2020, 05:54 AM
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Half-Ass Member
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
Posts: 22,001
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Not Ranked
Quote:
Originally Posted by xb-60
You've been out once in the last 15 years and that was on a flatbed....? |
No, I've only been towed home once in the last 15 years. I'm looking forward to this little project. I haven't done any metal fabbing on her in about two years. |
04-10-2020, 09:07 AM
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CC Member
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Join Date: Feb 2000
Location: St. Lucia, West Indies,
WI
Cobra Make, Engine: Unique 427SC 383 stroker
Posts: 3,765
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Not Ranked
Quote:
Originally Posted by danec
hey bubba - hold my beer and watch this. |
:lol: :lol: :lol:
__________________
Tropical Buzz
Grant me the serenity to accept the things I cannot change, the strength to change the things I can, and the wisdom to know the difference. -(wasn't me)
BEWARE OF THE DOGma!! Dogmatism bites...
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