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1st/2nd Gen D-Rings #825592 07/18/07 02:40 AM
Joined: Feb 2001
Posts: 1,681
fourwd1 Offline OP
Body Damage is Cool
Quote
A customer, who will remain un-named unless he wishes to reveal himself, inquired some time back if we made D-Ring mounts for his 2nd so he didn't have to buy a whole new bumper to get them. Well we didn't but I designed some and we do now. I have not yet updated the website but these are available and ship right away.

The cost is $149/pair + $9shipping/handling or $158 OTD payable via Paypal to [email]sales@sdori.com.[/email]

Frank



They're solid gold, right ??? <img src="/forums/images/graemlins/zombie.gif" alt="" />


- seen in FOUR WHEELER mag July 2006 & OFF-ROAD mag Feb 2007 -
'84 4Runner ARBed 5.29s F&R,4.7 & 2.28 t-cases,hy-steer,BudBuilt skid,30spl Longs,36" TSLs,Chevys

'83 P/U, Buick 231 V6,Holley 4 bbl,Weiand intake,Downey headers,TH350 w/700R4 gearset
Re: 1st/2nd Gen D-Rings [Re: fourwd1] #825593 07/18/07 03:36 AM
Joined: Apr 2000
Posts: 4,230
OOP'S Offline
Roll Me Over
This is just my opinion, the footprint is to small, the bolts are to long and on a side pull the bolts are going to snap. They also seem a bit pricy to me, but then again if I wanted something like I would just cut them on my mill!!!!!


David Fritzsche
1990 Ex-Cab V-6,5-speed, with a few mods
04.5 CTD Dodge 2500 Ram--Tow Rig
Roseville, CA

"Serenity through Sobriety"
Re: 1st/2nd Gen D-Rings [Re: OOP'S] #825594 07/18/07 04:32 AM
Joined: Mar 2001
Posts: 2,731
elripster Offline
Roll Me Over
Oops, the footprint is larger than that of the original tow hook.

I'm assuming by side pull you mean shear? If so shear is not an issue as it is exactly the same on these as it is on the stock hardware. Length has no effect on shear. This is class 10.9 hardware and very strong.

Bending moments are not an issue because the hardware is in tension. To place a bending moment on the hardware you would have to tip the blocks which is only possible if you forget to tighten them and would happen under the some conditions with the stock hook.

Frank


1994 4runner, 3.0, auto, 4.88's, 31's, BJ spacers, Coil spacers, air shocks, D-ring anchors, 4Crawler F/R swaybar discos.
www.sdori.com
Re: 1st/2nd Gen D-Rings [Re: fourwd1] #825595 07/18/07 04:53 AM
Joined: Mar 2001
Posts: 2,731
elripster Offline
Roll Me Over
Ah the price. Well gents, this is 1" thick steel plate. You might price some at your local metal supply store and see that it is not as cheap as you might think.

The CNC cannot run nearly as quickly machining steel as it can aluminum. It wears bits way faster. There is no way around it. I actually underestimated the machining time pretty bad and learned on the first full run what it really takes to make a batch. We didn't increase our intended price just figured we'd make less money on them.

The other thing is that I analyzed these every which way I could and honestly, if I make them any less substantial I don't feel comfortable selling them. If something has to fail, let it be the strap. If a D-ring fails, you potentially have a projectile. If one of these lets go you have a larger projectile.

If these don't sell, or it takes extraordinarily long to get through the batch, well it's all good. We'll just discontinue them. At least I have a nice pair for my truck. <img src="/forums/images/graemlins/smile.gif" alt="" />

Frank <img src="/forums/images/graemlins/cheers.gif" alt="" /> <img src="/forums/images/graemlins/cheers.gif" alt="" />


1994 4runner, 3.0, auto, 4.88's, 31's, BJ spacers, Coil spacers, air shocks, D-ring anchors, 4Crawler F/R swaybar discos.
www.sdori.com
Re: 1st/2nd Gen D-Rings [Re: elripster] #825596 07/19/07 12:54 PM
Joined: Jun 2005
Posts: 93
T
TinyTruck Offline
Getting the Wheeling Fever
f-that too expensive, ill just stick to wrappin round the body mount


1988 YOAT "Stumpy"
-Lock-Right -Fabtech spare tire carrier
-3in PA BL -Custom Flatbed
-32x11.5 cooper mall-terrains <BALD>
Re: 1st/2nd Gen D-Rings [Re: TinyTruck] #825597 07/19/07 04:45 PM
Joined: Mar 2001
Posts: 2,731
elripster Offline
Roll Me Over
Your call.

Frank


1994 4runner, 3.0, auto, 4.88's, 31's, BJ spacers, Coil spacers, air shocks, D-ring anchors, 4Crawler F/R swaybar discos.
www.sdori.com
Re: 1st/2nd Gen D-Rings [Re: TinyTruck] #825598 07/19/07 10:01 PM
Joined: Jan 2001
Posts: 11,595
Adam F Offline
Forum Moderator
Quote
f-that too expensive, ill just stick to wrappin round the body mount



Keep your negative comments to yourself. And watch your language around here, this is a family oriented site.

Id like to personally be the one who pulls you out of a ditch by hooking up to your body mount. I'll yank your body mount right off your truck, bolt, bushing and all.


88 4R, 350 V8, R150 5 speed Sold <...uot; />
97 4R, stock, daily driver
98 Sienna, kid and dog hauler, wife's ride
Re: 1st/2nd Gen D-Rings [Re: TinyTruck] #825599 07/20/07 01:25 AM
Joined: Feb 2004
Posts: 1,379
Scerb Offline
Body Damage is Cool
Quote
f-that too expensive, ill just stick to wrappin round the body mount


Well that was constructive <img src="/forums/images/graemlins/rolleyes.gif" alt="" /> <img src="/forums/images/graemlins/rolleyes.gif" alt="" />. It constructed an image in my mind of a dumbass named tinytruck. Its one thing to give honest constructive opinions, but that was just stupid.

That being said, I still think that these will put more stress on the factory thread holes. Since the d-shackle is attached further below the frame, there is more leverage on the threads. I think these would be much more effective if you just made them a straight shot. I know you offset it to fit around a stock bumper, but if someone actually has the need for one of these, then they're most likely not going to be having a stock valance. Maybe make too versions??

-Scerb

Re: 1st/2nd Gen D-Rings [Re: Scerb] #825600 07/20/07 04:08 AM
Joined: Jun 2005
Posts: 93
T
TinyTruck Offline
Getting the Wheeling Fever
Quote
Quote
f-that too expensive, ill just stick to wrappin round the body mount


Well that was constructive <img src="/forums/images/graemlins/rolleyes.gif" alt="" /> <img src="/forums/images/graemlins/rolleyes.gif" alt="" />. It constructed an image in my mind of a dumbass named tinytruck. Its one thing to give honest constructive opinions, but that was just stupid.


-Scerb

Do you even know who this is.....
do you even know what truck im talkin about.....


1988 YOAT "Stumpy"
-Lock-Right -Fabtech spare tire carrier
-3in PA BL -Custom Flatbed
-32x11.5 cooper mall-terrains <BALD>
Re: 1st/2nd Gen D-Rings [Re: Scerb] #825601 07/20/07 04:35 AM
Joined: Mar 2001
Posts: 2,731
elripster Offline
Roll Me Over
I'm thinking the original pictures don't really show just how close the point of force (the d-ring hole) is to the frame so I took some more today. I just realized I left my PDA on the "night" setting so I'll have to take more but it still shows what it needs to.

[Linked Image]

[Linked Image]

The point of force is closer to the frame than it was with the stock tow hook. It is WAY closer to the frame than it is with an after-market bumper. I did that on purpose for the reasons you have mentioned. Also, if you look at the stack created by the stock tow hook and anchor on the passenger side you'll see that these are only about .25" thicker. Of course that extra material adds strength to the anchor where the original anchors (small ones for tying the truck to a flat bed) did not.

I also located that hole as close to the hardware as I could. There is a relief cut to clear the washer.


[Linked Image]

Moving the hole back more creates a few problems. One, it will start to interfere with the hardware. Two, eating farther into that radius creates a stress riser. And three, the d-rings already make contact with the valence very quickly. Moving the hole back makes it a lot worse

The passenger side d-ring can angle up only slightly more than horizontal. Interestingly, Toyota located the driver's side holes about .75"-ish farther forward so that d-ring can angle up higher before bumper contact.

Anyway, guys if you are worried about your frame, these are a great solution. The put the frame at a better mechanical advantage and you now have the option of dividing the load between the frame rails which cuts the load in half.

Frank


1994 4runner, 3.0, auto, 4.88's, 31's, BJ spacers, Coil spacers, air shocks, D-ring anchors, 4Crawler F/R swaybar discos.
www.sdori.com

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