I'm sure I'm not the only person to see this but why in the world would Toyota put only 5 lug nuts on their truck? Maybe they put too much money into advertising.
The amount of bolts is kind of irrelevant. As long as the studs are bigger, you can use less of them and still have the same strength. Without knowing they type of material, the thickness, and lots of other variables you can't say that ours is stronger just because we have one extra stud. Even if we only had 4 studs, they would still not be the weakest link in a truck. Those 4 studs would still hold more weight than our trucks are rated for. You really should see what holds the main drive shaft on a bell 206 helicopter. It is 8 1/4 inch studs, and they hold the drive shaft in the transmission. They are holding the m/r drive shaft, head, and rotor blades to the transmission. So they are supporting all of the load of the helicopter.
Ok maybe I'm an idiot on this topic but, what does the amount of lugs have to do with the trucks 1/2 ton rating?
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The closer the bolts are together, the more side load it can take.
That was kind of the question that I was hinting at when I made my first post. I really don't see that our trucks need 6, but it sure can't hurt.
So the amount and not the size of the lugs is what's important? Maybe the ones with 5 lugs have a bigger diameter or something. It's funny, I've never even noticed the damn lugs...lol.
So the amount and not the size of the lugs is what's important? Maybe the ones with 5 lugs have a bigger diameter or something. It's funny, I've never even noticed the damn lugs...lol.
Yes, the ones with less usually are bigger, I really don't think 6 is any better than 5. It is better to spread the load out, but 5 studs the thickness of ours is very strong. Before you could break even 5 lug nuts, you would probably bend the rearend. I hope this makes sense, I am not the best at explaining things.
I've noticed a big jump in load ratings on some of the wheels in the 8 bolt patterns.
Like helomech said though, the closeness of the bolts is probably the reason ... even though the 8-bolt has a bigger circle than the 5 or 6 bolt patterns listed below, they are still closer together.
For example a Procomp 6089 for a 17" diameter by 8" width rims at 5, 6, and 8 bolts.
Edit: Bolt pattern is given in diameter, so multiply diameter times 3.142, then divide by number of bolts, to get distance between bolts.
Bolt Circ.Max-LoadWeight
5x135mm 2200lbs 27lbs [3.34" on center].
6x5.5" 2200lbs 27lbs [2.88" on center, (Titan)].
8x6.5" 3420lbs 27lbs [2.55" on center, (closest bolts and biggest load)].
You're right it's pi * the diameter divided by the number of bolts ... So for the Titans 5.5" diameter, the circumference is 17.281". And the distance between them is 2.88". Lug nuts are 12mm x 1.25 thread, according to sfxperformance.
So, for the 8 lug wheel example it would be 2.55".
According to Discount Tire, the '08 Tundra b.p. is 5 on 150mm, or 5 on 5.906". Therefore, it's bolts are about 3.71" apart ... quite a bit further apart than the Titan's, but a little larger bolt.
'08 Tundra lug nuts: 14mm x 1.5 OE thread pitch.
Last edited by NorCal 4x4 : 11-23-2007 at 11:49 PM.
the hubs on the new tundras also have a larger diameter than other 1/2 tons... also a new size aftermarket wheel lug pattern had to be created to accomodate the new tundras as well...
Tundra's new bolt pattern... 5X150MM BOLT PATTERN
i know many of you have said the look is growing on you. not me... they're still ugly as sin, i just can't get over the look. its ugliness matches that of a Pontiac Aztek. just can't stand to look at it no matter what angle, whether its lifted, or any other application...
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What's up with the Tundra?
11-23-2007, 07:50 PM
... 33.5" Toyo M/Ts;
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