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  #1 (permalink)  
Old 03-22-2020, 08:47 PM
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Default Tow Hook Location

Hi folks Im new to the forum. Im contemplating building a Factory Five Daytona Coupe. My general design concept (today anyway) is:
1) this car WILL be a driver nota garage or trailer queen,
2) maybe a track day once in awhile,
3) try to keep it as close visually to what would have been seen in 1964-65 (engine bay, 350-400HP SBF, interior, and exterior,
4) because it will be a driver will probably use a T-5 vs. a T-10 transmission, and more modern wheel size (17) and modern tires.

Well thats the background. The question I have is where have people placed the front and rear tow hooks. I would like them to be functional incase of a break-down and need to be winched onto a flat bed. If I track the car I believe they are required.

THANKS
CTHiker
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Old 03-23-2020, 03:15 AM
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I race an FIA, not a coupe, but the design is basically the same. They allow tow straps as well, in addition to hoops. I attach my tow straps to the front and rear quick jack mounts. You will need to get a longer bolt for each one and I would use a strong grade bolt as well.



You can just add them on during the track days, or if you choose to leave them on all the time I would suggest zip tying them to the quick jack so that they do not flap around. I have been towed off a couple of times and there was never any damage to the car or quick jack.

Jim

Edit: Just went to the FF5 website and it does not appear that they have the quick jacks mounted low on the under carriage. I would suggest checking on the Factory Five forum and asking there.
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Last edited by 1795; 03-23-2020 at 03:33 AM.. Reason: new information
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Old 03-23-2020, 08:52 AM
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1795, Excellent idea to use the quick jacks for tow straps, as long as they are actually structurally sound and not just cosmetic.
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Old 03-23-2020, 10:15 AM
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In addition the brackets securing the hoops, front or rear on a Slabside work well.


John

ERA #3010 Slabside 289 SB BRG
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Old 03-23-2020, 11:47 AM
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Quote:
Originally Posted by Karl Bebout View Post
1795, Excellent idea to use the quick jacks for tow straps, as long as they are actually structurally sound and not just cosmetic.
Karl, THANKS for taking the time to respond. I can't install quick jacks on the coupe since the entire nose hinges forward to access the engine bay.

THANKS

CTHiker52
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Old 03-23-2020, 12:30 PM
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Quote:
Originally Posted by 1795 View Post
I race an FIA, not a coupe, but the design is basically the same. They allow tow straps as well, in addition to hoops. I attach my tow straps to the front and rear quick jack mounts. You will need to get a longer bolt for each one and I would use a strong grade bolt as well.
I like that... a lot. A few years ago when I had to get up on a flat bed, because my clutch linkage had failed, the only way I could do it was to start the car up in gear and kill the engine before I drove it in to the cab. I never want to have to do that again, but we couldn't find a way to safely pull it up. I take it that tow hitch is this: G-Force Bolt-On Tow Hook Part No. 2605.

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Old 03-23-2020, 12:46 PM
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In addition 1/2" - 3/4" nylon line has worked very well.


John
ERA #3010 Slabside 289 SB BRG

Last edited by desgros@vtlink.; 03-23-2020 at 03:00 PM..
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Old 03-23-2020, 03:02 PM
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Quote:
Originally Posted by patrickt View Post
I like that... a lot. A few years ago when I had to get up on a flat bed, because my clutch linkage had failed, the only way I could do it was to start the car up in gear and kill the engine before I drove it in to the cab. I never want to have to do that again, but we couldn't find a way to safely pull it up. I take it that tow hitch is this: G-Force Bolt-On Tow Hook Part No. 2605.

Patrick,

Yes, that is it. While I wold not suggest using the quick jacks to let a car vertically, they work just fine for towing. The mounts are solid and work very well for towing. Have not seen any deflection or stress marks. It does not take long at all to attach one, just measure the bolts that you have and get one a 1/4" longer to account for the thickness of the metal flange and you are good to go.

Jim
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Old 03-24-2020, 03:44 AM
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When I load the race car on the trailer, I use a winch and the cable is hooked to the tow strap. The cobra is also off loaded in the same manner. That tow strap has been used probably 100 times or more in that manner.
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Old 03-24-2020, 08:44 AM
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I am sorry, but my skills are limited when adding photos. I have added to my album a method I us for tow line attachments. The Daytona's quick lift jack points lends it self to attachment points like I have pictured with out destroying the use of the quick jacks. The quick jacks were welded on the original Daytona's chassis. The one point you have to address is the distance between the yellow attaching circle on the front jack and the attaching piece that holds the front on. You must allow enough clearance so that the front end can rotate freely.

Bill K
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Old 03-25-2020, 08:36 AM
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Default More on Quick Jack Hardware

I pulled my Quick Jacks off last night just to see the quality of the hardware, with an eye towards whipping up something like 1795 did. I was also thinking about adding an aesthetically pleasing folding tow hook to the top bolt of the quick jack. The threaded rod, of which there are two per quick jack, appear to be standard, general purpose, low carbon steel Grainger type stuff, in 3/8". There are hex nuts and washers on the threaded rods behind the frame mounts and there are acorn nuts on the threaded rods in front of the jack pads. It appears to be general purpose stuff. Now, even the weakest, low carbon steel, 3/8" threaded rods have a safe carrying weight of 600 lbs. The quick jacks themselves are thick, heavy steel. If you ran a synthetic web sling, through and behind both quick jacks (four fastening rods), in a basket hitch formation, wouldn't it be significantly stronger than a tow hook attached to one single threaded rod and fasteners that were all upgraded to Grade 5 or even Grade 8? A simple 1" x 8' web sling like this easily holds over 3000 lbs. and would take ten seconds to fish behind the quick jacks. https://www.e-rigging.com/1-inch-X-8-foot-Web-Sling

Last edited by patrickt; 03-25-2020 at 08:49 AM.. Reason: tweaked
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Old 03-25-2020, 10:00 AM
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Patrick,

That should work fine. I did upgrade my bolts to Grade 8 to be sure that they could handle the task. Had to have a tow strap/hook permanently mounted for racing, otherwise I would have just looped something through as well.

Yours is a simple solution that you can carry in the boot for emergency purposes. I wolud suggest upgrading the bolts and just painting the heads to match the quick jack.

Jim
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Old 03-25-2020, 12:06 PM
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I was going to mount a folding tow hook directly above the quick jack, that caught my eye, but it was actually going to require a decent bit of fabrication to look clean and proper. Here's the hook that I like:



https://www.rennline.com/Rennline-Fo...SABEgITJPD_BwE
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Old 03-25-2020, 12:09 PM
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Or this, I was going back and forth...

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Old 03-25-2020, 02:54 PM
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Quote:
Originally Posted by bkozlow View Post
I am sorry, but my skills are limited when adding photos. I have added to my album a method I us for tow line attachments. The Daytona's quick lift jack points lends it self to attachment points like I have pictured with out destroying the use of the quick jacks. The quick jacks were welded on the original Daytona's chassis. The one point you have to address is the distance between the yellow attaching circle on the front jack and the attaching piece that holds the front on. You must allow enough clearance so that the front end can rotate freely.

Bill K
THANKS for taking the time to respond. I looked at the pictures you posted. It looks like your Coupe is a Gen 1 or 2. I got the general idea how you installed them. Since I don't yet have the car and it will be a Gen 3, I might have to wait until I get the car built to the point where I can see how I could fab them, especially in the front.

BTW the car looks beautiful. It is along the line of what my vision for mine is.

THANKS AGAIN Gary
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Old 03-25-2020, 03:02 PM
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Quote:
Originally Posted by patrickt View Post
Or this, I was going back and forth...

These are nice tow rings. I have the chrome bumpers on my ERA...how
could I mount one of those without punching holes in the body. I needed
a ride on a flatbed last year and a ring would have may it easier to be
winched aboard.
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Old 03-25-2020, 03:31 PM
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Quote:
Originally Posted by Kit Coyle View Post
These are nice tow rings. I have the chrome bumpers on my ERA...how
could I mount one of those without punching holes in the body.
You would want to mount a 90 Tow Hook receiver behind the bumpers right up against the rod that is coming out from the front of the car (and that presumably is mounted to the frame). Then one of those nice Tow Hooks then screws down in to the receiver itself. The E81-4 RennLine looked to be pretty close to what is needed as a receiver, but the holes would have to modified as they do not line up perfectly with the rods that come out from the frame. That would not be terribly hard. Then you just have to make sure that the thread matches up. That particular receiver is 5/8-11 and the E19.209 Folding Tow Hook looks great. Here are the part numbers and below that is a pic of the Tow Hook Receiver and Folding Tow Hook together. Just imagine it mounted vertical instead of horizontal, as seen in the pic. There are other ways to fab it up, but that's how I would probably do it.

E19.209
Rennline Folding Tow Hook - REV2
Universal Screw for use with Universal 5/8-11 Thread

E81-4
Rennline Universal Screw in Tow Hook Receiver
Bolt On 90 Adjustable 1-4"

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Old 03-25-2020, 05:09 PM
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Quote:
Originally Posted by patrickt View Post
You would want to mount a 90 Tow Hook receiver behind the bumpers right up against the rod that is coming out from the front of the car (and that presumably is mounted to the frame). Then one of those nice Tow Hooks then screws down in to the receiver itself. The E81-4 RennLine looked to be pretty close to what is needed as a receiver, but the holes would have to modified as they do not line up perfectly with the rods that come out from the frame. That would not be terribly hard. Then you just have to make sure that the thread matches up. That particular receiver is 5/8-11 and the E19.209 Folding Tow Hook looks great. Here are the part numbers and below that is a pic of the Tow Hook Receiver and Folding Tow Hook together. Just imagine it mounted vertical instead of horizontal, as seen in the pic. There are other ways to fab it up, but that's how I would probably do it.

E19.209
Rennline Folding Tow Hook - REV2
Universal Screw for use with Universal 5/8-11 Thread

E81-4
Rennline Universal Screw in Tow Hook Receiver
Bolt On 90 Adjustable 1-4"

Thanks Patrick...Nice item...going vertical puts the device in sheer but it may
be OK that way. Once the receiver is in you only screw the hook in as needed, or just bolt in the cheaper tow strap option, again, as needed.
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Old 03-25-2020, 05:17 PM
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Quote:
Originally Posted by Kit Coyle View Post
Thanks Patrick...Nice item...going vertical puts the device in sheer but it may be OK that way. Once the receiver is in you only screw the hook in as needed, or just bolt in the cheaper tow strap option, again, as needed.
I think it's designed for that -- but I don't think it takes much to tow a 2500 lb. car. I move the car forward and backward in my garage, even when it's not on the GoJaks, and I can do it easily (and I'm not what I was 40 years ago). I really like the look of those tow hooks. I might very well still install one. But, take care, the nice ones that I show in this thread are over a hundred bucks each. There are look alikes on eBay for less than twenty -- but they're marked as "decorative pieces."
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Old 03-25-2020, 07:25 PM
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Gary,

My cars are not Factory Five cars, they have carbon fiber bodies, which I built from molds I made, on a modified EM chassis with coil over Corvette suspension and is a copy of CSX-2286.

BillK
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