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Yes, you guys are fine, I’m just enjoying watching the conversation. It seems to me there’s a lot of controversy on what gear ratio is good? I rarely pull a trailer and when I do it’s a 8’x10’ little single axle trailer. So I don’t care about towing, I’m more into acceleration... so what’s the best ratio for that? 3.55?
4.10 would give the best acceleration

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Yes, you guys are fine, I’m just enjoying watching the conversation. It seems to me there’s a lot of controversy on what gear ratio is good? I rarely pull a trailer and when I do it’s a 8’x10’ little single axle trailer. So I don’t care about towing, I’m more into acceleration... so what’s the best ratio for that? 3.55?
Factory?
3.55<3.73<4.10
 

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There is more to rear end ratios than "numerically higher is more gooder". This is all rule of thumb.
It's become more irrelevant with 6-10 speed trannies. Back when it was 3 or 4 speed it was a bigger deal.

Hence why I run 4.88s on my Scout with a 4 speed manual.
 

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Factory?
3.55<3.73<4.10
hey hey hey, don’t forget about the 3.15!

Oh wait, it’s got nothing to add to this conversation.

I will say that using fuzzy recollection, I did 120 down the highway in my ‘13 at just under 2,000rpm. If I was a little dumber, I could have done more.

with the 3.15 and a tune in 87, I can burn it out of first and chirp it into 2nd.
I wish I had the 3.55s instead.
 

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hey hey hey, don’t forget about the 3.15!

Oh wait, it’s got nothing to add to this conversation.

I will say that using fuzzy recollection, I did 120 down the highway in my ‘13 at just under 2,000rpm. If I was a little dumber, I could have done more.

with the 3.15 and a tune in 87, I can burn it out of first and chirp it into 2nd.
I wish I had the 3.55s instead.
No worries.. I omitted my 3.31 as well. People hate them, the transmission helps me love them.
 

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2016 Ford F-150 XLT 2.7 Ecoboost
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Discussion Starter #32
hey hey hey, don’t forget about the 3.15!

Oh wait, it’s got nothing to add to this conversation.

I will say that using fuzzy recollection, I did 120 down the highway in my ‘13 at just under 2,000rpm. If I was a little dumber, I could have done more.

with the 3.15 and a tune in 87, I can burn it out of first and chirp it into 2nd.
I wish I had the 3.55s instead.
Well, as soon as my truck gets back from the auto body shop I will see what the ratio is...
 

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No worries.. I omitted my 3.31 as well. People hate them, the transmission helps me love them.
The reason I'm going to 3.73... 3.31s just don't cut the mustard.
 
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2013 Ford F150 XLT 3.5 EgoBeast SuperCrew 4X4, 3.55 axles, 9.75" w/elocker
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I know I wouldn’t like 3.31 with my 6 speed and would not have 3.15 at all unless I could afford to buy a new Limited that I didn’t tow or hoon with. My 3.55 allow really good acceleration even towing my 8000+# camper. Given that, I would still rather have 3.73 for towing with the 6 speed. I could probly be more comfy towing at 64 mph without locking out 6th on flat roads.
 

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I know I wouldn’t like 3.31 with my 6 speed and would not have 3.15 at all unless I could afford to buy a new Limited that I didn’t tow or hoon with. My 3.55 allow really good acceleration even towing my 8000+# camper. Given that, I would still rather have 3.73 for towing with the 6 speed. I could probly be more comfy towing at 64 mph without locking out 6th on flat roads.
Just imagine this, back in 1980 gas crunch International put 2.72's on V8 304/345 engines with 3 speed auto's... Talk about being a dog...

What sucks for me is I don't have a tow package truck so I don't have the select shift trans to lock out gears. I just get Tow/haul which usually keeps it out of 6th.
 
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What sucks for me is I don't have a tow package truck so I don't have the select shift trans to lock out gears. I just get Tow/haul which usually keeps it out of 6th.
Really?? I would have thought something simple like gear lock out buttons would be standard on all f150's

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Discussion Starter #37
So if my truck has a towing package, do you think it’s got a 3.73?
 

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So if my truck has a towing package, do you think it’s got a 3.73?
What year is it? 09-14 max tow pkg trucks had 3.73s. HDPP trucks had 4.10s. If it's not a max tow but just a standard tow pkg likely 3.55s.

In 15+ they dropped the ratio 1 size for max tow to 3.55s I believe.
 
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Discussion Starter #40
What year is it? 09-14 max tow pkg trucks had 3.73s. HDPP trucks had 4.10s. If it's not a max tow but just a standard tow pkg likely 3.55s.

In 15+ they dropped the ratio 1 size for max tow to 3.55s I believe.
It’s a 2016. It has the fancy trailer back up knob, selecshift, and trailer status
 
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