- Thread starter
- #61
Maybe @cruiseroutfit can add his expertise to this discussion.
front tow hooks (2 Viewers)
- Thread starter mep1811
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- Thread starter
- #62
Already have all that stuff.
- Thread starter
- #64
The factory tow hook sure looks beefy.
Julian73
SILVER Star
I too went with the Tundra hooks. They cost a bit more than the ARB's but look the part, mine were powder coated two tone black with the tow loops in red. Factory hardware is a high strength Grade 11 [**edit** this would be a special case 11.9 strength, positioned between the typical 10.9 and 12.9 bolts] , I will substitute with even stronger 12.9 bolts when I remember to order them
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bloc
SILVER Star
Source for info on toyota class 11t equaling grade 11?
Julian73
SILVER Star
This is not a Toyota specific thing. Look up metric bolt grading.
the Metric strength grades 5.8, 8.8, 9.8, 10.9, 12.9 are alternatively denoted without decimal and is commonly marked on JIS bolts with the first number as 5, 8, 9, 10, 12 ... 11 is a non standard strength. that would also be a 90% yield thus 11.9 is carrying the full designation.
the Metric strength grades 5.8, 8.8, 9.8, 10.9, 12.9 are alternatively denoted without decimal and is commonly marked on JIS bolts with the first number as 5, 8, 9, 10, 12 ... 11 is a non standard strength. that would also be a 90% yield thus 11.9 is carrying the full designation.
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The "||" on the tow point bold heads is a logo commonly use in Japan by the engineers and roughly translates into English, "don't worry about it".
I had a great day fishing yesterday and now I have to go back to work, so I hope I could get a smile out of at least one person reading this.
I had a great day fishing yesterday and now I have to go back to work, so I hope I could get a smile out of at least one person reading this.
bjowett
Supporting Vendor
In a perfect world, the factory tow loop has an excellent life expectancy, and even in an imperfect world, it will last a long time. However, one of my concerns lies out in the future...with the nicks, scrapes, rust, and gouges that come from a Land Cruisers well lived life. The extra material gives me piece of mind.
Another benefit is the larger diameter of the Tundra bar stock, it gives a much nicer bend radius for wrapping a strap through. It places significantly less bending stress on the strap fibers.
Ground clearance is an issue, as mentioned above.
I'd like to dowel pin the bases and put the bolts in double shear with a bracket that runs back and bolt to the frame.
Another benefit is the larger diameter of the Tundra bar stock, it gives a much nicer bend radius for wrapping a strap through. It places significantly less bending stress on the strap fibers.
Ground clearance is an issue, as mentioned above.
I'd like to dowel pin the bases and put the bolts in double shear with a bracket that runs back and bolt to the frame.
Well there is still discussion that the tundra hook is actually weaker in design. Personally, I agree with that sentiment. I don’t see what tundra hook is any better.
bjowett
Supporting Vendor
We can agree to disagree then...
bloc
SILVER Star
Yes, it is. Earlier in the thread I posted a document from toyota specifically about identifying bolt grades using their unique markings. Note: none of them use standard metric bolt grading.
I’d still like to see documentation showing what grade 11 is, or equating Toyota’s bolt classification (5t, 7t, 11t, etc) to something more widely used.
- Thread starter
- #74
A 3/4 shackle fits perfectly on the front tow/recovery point.
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Julian73
SILVER Star
It is Not a Toyota bolt classification. It is a Japanese standard (JIS) used by many manufactures. Where as the x.y number is an international ISO Standard meaning x = ultimate tensile strength/100 in MPa and y = approximate reduction for yield strength 8 = 80% of tensile, 9 equals 90% of tensile, ISO also allows for the use of a single x digit thus 5.8, 8.8, 10.9, 12.9 would be represented by 6, 8, 10 and 12. JIS/JASO standards TS numbering but with grades in between such as 7, 9, 11 and even a super grade 15 to replace an older steel that was prone to delayed cracking used for 13. YS is not noted but follows same path of 60, 80 and 90% of yield.
Nice pic. Tundra hoops are giant, compared to oem 200, and feel much more substantial weight wise. [ they're quite heavy ] ground clearance is a negligible concern, imo. Hardly an issue, cept for a few that shouldn't even be using tundra cast offs, bc they need something even better.
++1
++1
I like the Tundra hooks.
Here are the stock LC200 front tow hooks:
Here are the Tundra tow hooks powdercoated red, of course:
Guess which one is the stock part:
Understated elegance:
HTH
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Picked up my @TRAIL TAILOR parts from the powder coater yesterday. I bought the shock guards that color from Jason. Now on to install...
My .02 on the recovery points, definitely a want vs. need just like the powder coating.
My .02 on the recovery points, definitely a want vs. need just like the powder coating.
What do you secure MaxTrax with on the rack? Any wind noise?
