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Old 01-29-2016, 02:46 PM   #21
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Quote:
Originally Posted by dustman_stx View Post

Edit: What we really need is for someone to hook up an 8K TT to an EB truck and set the cruise at 65 down a road with moderate ups and downs. Then hook the same rig to ANY NA V8 engine. Compare the downshifts required and the RPM's needed to pull hills. You'll find that the EB produces power MUCH lower and requires fewer and less aggressive downshifts. If someone takes this challenge, make sure to get both to full operating temp for the filming as it makes a huge difference in my experience with a forced induction engine.
Who's saying that isn't the case?

But there is this thing called 'turbo lag'

It's a real thing. Even on the best of them
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Old 01-29-2016, 02:52 PM   #22
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The_Big_Toe and dustman_stx, please start another thread if you want to continue that debate about engines. Let's keep this thread on topic.

As I said in my original post. This is not a thread to insight debate and weight police. My purpose is just to demonstrate the variety of specs for 1/2 tons.

Thanks.
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Old 01-29-2016, 02:57 PM   #23
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I'm sorry BT, but you're just flat wrong. You can believe that the Coyote puts out more power below 2800 if you want, but it's not the case. If you really want to know the truth about how the EB tows compared to the Coyote you need to find a way to get in one with a load hooked up. If you are the kind of person that is able to see through mis-perception and set aside your preconceived notions (not trying to sound like a smart-you-know-what, but the vast majority of people in the world are often incapable of this) you'll find that what you currently believe and are promoting is entirely false. I also suggest you research variable vane technology.
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Old 01-29-2016, 02:59 PM   #24
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Quote:
Originally Posted by itat View Post
The_Big_Toe and dustman_stx, please start another thread if you want to continue that debate about engines. Let's keep this thread on topic.

As I said in my original post. This is not a thread to insight debate and weight police. My purpose is just to demonstrate the variety of specs for 1/2 tons.

Thanks.
Got it. My apologies. Carry on. I've never been good at letting misinformation go uncorrected and can get off topic, as you can see.
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Old 01-29-2016, 03:19 PM   #25
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Here are my specs:

2014 Silverado Dbl Cab
6.2 L with Max Tow

From the sticker in the door
GVWR: 7200
GAWR Frt: 3950
GAWR Rear: 4100

capable of towing #11,7

I tow the following:
32' Tracer Touring Edition Exec. Series
Dry: 7462
Cargo Cap. 1915
Gross: 9377
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Old 01-29-2016, 04:11 PM   #26
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2015 Tundra CrewMax, 4WD
5.7L
4.30 axle ratio

Base Weight: 5,625
GVWR: 7,200
Payload: 1,575
Max Tow: 9,800


2015 Rockwood 2306
2015 Tundra CrewMax
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Old 01-29-2016, 04:51 PM   #27
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2004 Dodge Durango

I know, I am Living on the edge!! I am upgrading the TV soon but I hope this will get me through the next season.

2004 Dodge Durango Limited, AWD, Factory Towing Group
Engine: 5.7-liter HEMIā Magnum V8
Horsepower: 345 (257 kW) @ 5,400 rpm
Torque: 375 lb.-ft. (509 Nm) @ 4,200
Transmission: 5-45RFE, five-speed automatic AWD
Brakes: four wheel disc with antilock
Front Suspension: Upper and lower ďAĒ arms, torsion bars, gas-charged monotube shock absorbers, stabilizer bar
Rear Suspension: Live axle, link coil-with Watt's linkage, gas-charged monotube shock absorbers, stabilizer bar
Curb Weight: 5079 lbs

What I thought I had when I bought my trailer -
Axle ratio: 3.92:1
--------------------
Tow rating: 8,700 w/AWD
Gross Vehicle Weight Rating: 6,600 lbs
Gross Combined Weight Rating: 15,300 lbs
Hitch Rating: 890lbs

What I realized I had after further investigation -
Axle ratio: 3.55:1
--------------------
Tow rating: 7,200 w/AWD
Gross Vehicle Weight Rating: 6,600 lbs
Gross Combined Weight Rating: 13,800 lbs
Hitch Rating: 890lbs?

My Trailer & TV Actual Weight (weigh station)
----------------------------------------------------
TV: 5800 lbs, unhitched, full tank, 2 passengers, tools and hitch, personal bags
TV: 6600 lbs, hitched, full tank, 2 passengers, tools and hitch, personal bags
TT: 6050 lbs, 1/3 Fresh Water, fully loaded with camping gear and food

Calculations
--------------
GCVW: TV[scale](6,600#)+TT[scale](6050#)=12,650 lbs
TTW: GCVW(12,650#)-TV[unhitched](5,800#)=6,850 lbs
TONGUE WEIGHT: TV[scale](6600#)-TV[unhitched](5,800#)=800 lbs
GCW MARGIN: GCWR(13,800)-GCVW(12,650)=1,150 lbs
TOW RATING MARGIN: TOW RATING(7,200)-TTW(6,850)=350 lbs
GVWR MARGIN: GVWR(6,600)-TV[scale]= 0
TONGUE WEIGH MARGIN: HITCH RATING(890)-HITCH[calculated](800) = 90 lbs

I thought I did good investigation before buying my trailer and assumed I had plenty of margin on tow rating but I later found out the Tow Rating guide I used assumed a 3.92:1 gear ratio, it turns out I have a 3.55:1 gear ratio.

I am making some assumptions about my tow vehicle which may or may not hold water. There is no difference in suspension, brakes or engine between a 3.55:1 & 3.92:1 gear ratio so if I exceed the ratings it is mostly a transmission load issue and the suspension and brakes should hold up.

I found that the tongue weight specification for a 3.92:1 RWD is 10% of the max of 8900 lbs so 890 lbs is the tongue rating. I assume this to be the tongue rating regardless of what any towing guide might say, it seems most just say 10% of tow rating.

I am going to adjust the WDH and throw another 200 lbs toward the trailer to give me some TV GVWR and Tongue weight margin.
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Old 01-29-2016, 05:06 PM   #28
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3.42 rear, 6 speed automatic, 1,747 payload, Max. trailer weight 9,600.
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Old 01-29-2016, 05:12 PM   #29
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2011 f150 crew cab 4x4 lariat 5.5 bed 3.73 locking diff 3.5 Eco boost 11200 tow rating add ons are Hellwig rear sway bar, Bill Steen rear, shocks 10 ply nitto Tera grappler tires mbrp 4 inch exhaust from converter back with a AFE air intake towing a 2015 vibe 272 tow weight 6900 dry scaled with gear and essentials no water 7523 tongue weight 720 give or take


Clancy vibe272bhs
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Old 01-29-2016, 07:37 PM   #30
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JUGHRAD - I did almost the same thing. I thought my 2014 Suburban with the "tow package" had a 3.42 gear ratio. Bought a trailer that was 6200 thinking I had 8000 lb rating. Found out it was a 3.08. So like you, I assumed my issue really was the tranmission load. I added a large cooler to it and now never exceed 150 deg, up a hill fully loaded. I also had to change to LT tires and Monroe reflex shocks. The "tow package" was just the hitch. Now I know better. Chevy 2500HD next TV.
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