I have the P3 on my Tundra towing an even smaller 21ft 2 axle TT and the only time it provides too much braking is when I hit a slope as I'm braking. Such as pulling out of a driveway or such.
It has 3 levels of boost, so you can adjust as you feel you need. Plus, you set how much power it sends to your brakes when you first install it.
So, I'm telling you to ignore the idiot at the sales counter and believe the reviews that you're read.
It works, and it works well!
Thanks for the comments. I just got back from picking up our new TT. Towed it 500 miles and the P3 performed fine, however I need to spend some more time adjusting it in a level parking lot. I think they screwed up the Reese Strait-line hitch install a bit so I want to adjust that first before doing anything else.
I would also add that accurate torquing requires lubricated, clean threads. You can use a light oil or penetrating spray. I prefer to use Loctite blue (242) .
"It`s not important that you know all the answers, it`s only important to know where to get all the answers" Arone Kleamyck
"...An unarmed man can only flee from evil, and evil is not overcome by fleeing from it." Col. Jeff Cooper
Sunset Creek 298 BH
I found a 3/4" torque wrench good up to 600 ft. lbs. for only $159 at Harbor Freight. Unfortunately they only sell it through the internet so I have to wait to get it. They always send me coupons so I will order it with the next sale.
Oh for crying out loud, you're still on that 450ft-lb thing?
The nut isn't going to come loose if you only smoke it down to 449ft-lbs. At this level of torque, an uncalibrated torque wrench can easily be 50ft-lbs off one way or the other. Putting a known weight on a measured lever arm will be FAR more accurate.
The nut's not going to come loose at 400, 350, or even 300 ft-lbs. That insane torque specification is only CYA for the company, and a "kickback" of sorts to the professional installers. If the hitch fails and it's not torqued exactly to their spec, they're off the hook for liability.
Put the shank in the truck's receiver sideways, and lay your 225lb frame on the end of a 2ft breaker bar. 450ft-lbs of torque. Done.
You'll only ever use that $160 wrench once in your life. I'm not normally one to discourage someone from buying more tools, (any excuse to buy a tool is a good excuse IMHO) but ya gotta say enough is enough once in a while.
I hear you mkirsch and normally I would agree with the easy shortcut method for a once in a lifetime task.
In this case I will need to re-adjust my hitch several times a year when I pull it with different weights loaded in the TT and TV and when I pull the TT with a different TV. In each case the bolts on the head will need to be loosened and retorqued when I need to change the ball height or sway bar angle. Those bolts are rated at 300 ft. lbs. and this is still too much for my existing 1/2" torque wrench.
Also, I can't think of any safe method to apply all of my body weight to a very precise point at the end of a smooth round breaker bar. I am not going to stand on it because the socket will easily come loose from the bolt heads and I will fall to the ground along with the wrench. I have tried this before when trying to loosen up tight lug nuts and I prefer to skip the bruised shins this time around.
Another factor is that more tools = better in my book. I might only need it a few times now but you can bet I will find several other uses for it later in life. Better to get it when I first need it and have it for life than to be caught needing one a dozen times over the years. And I guess the Acme scientist in me is just too anal to disregard the torque specifications and settle for "close enough". IMHO any job worth doing is worth doing right, and with the right tools.
I can already see how this massive torque wrench will come in handy for changing the trailer wheels. I think my wheels have 8 lug nuts each and with 4 wheels that is a lot of cranking. They need to be torqued to 100 ft. lbs. I think so it will be much easier with the big bertha wrench than a shorter 1/2" wrench or tire iron. I will let you know how it works out if I do get the wrench.
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