Gear opinions.
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Cargo Master
Joined: Sep 2007
Posts: 2,095
Likes: 2
From: Wahpeton ND
Gear opinions.
I have a 64 F100 w/ a 292 and a 4 spd.
The 4.10 gears are just way too much to drag through and eat the heck out of the unloaded milage.
I was thinking a set of 3.73 gears sould still give me the ability to tow and haul without the winding out at 55 mph.
I know a lot of you guys have ran down to 3.03 gears and that is way too weak for me.
Has anyone tried this setup, and you 3.89 guys how bad is your milage with a well tuned engine?
The 4.10 gears are just way too much to drag through and eat the heck out of the unloaded milage.
I was thinking a set of 3.73 gears sould still give me the ability to tow and haul without the winding out at 55 mph.
I know a lot of you guys have ran down to 3.03 gears and that is way too weak for me.
Has anyone tried this setup, and you 3.89 guys how bad is your milage with a well tuned engine?
Elder User
Joined: Dec 2008
Posts: 707
Likes: 0
From: Owasso, Ok.
same truck, 3 speed, 3.89;
don't know milage, rapped out engine on the highway....motor runs great.
told ya.
Fleet Owner
Joined: Jun 1999
Posts: 24,552
Likes: 74
From: Creedmoor, North Carolina
I have never run a 292, so I don't know how they respond. I would say that unless you are doing a lot of towing or live in a hilly area, I would go at least 3.50 or 3.25.
Many 352s came in front of 3.25 rears, I have 3.00 gears in mine and need to go back to 2.75 for more mpgs.
John
Many 352s came in front of 3.25 rears, I have 3.00 gears in mine and need to go back to 2.75 for more mpgs.
John
Elder User
Joined: Sep 2008
Posts: 670
Likes: 0
From: Federal Way Wa
Who worries about mileage in a slick? Just have fun with what you got. If you need some tow-ability get some 3.50 gears, pretty good all around I overload mine all the time and it gets up and goes (so does the gas gauge). Of course I too have the 352 so not sure how the 292 would respond.
Fleet Owner
Joined: Jun 1999
Posts: 24,552
Likes: 74
From: Creedmoor, North Carolina
With that small engine, you do need more gear at the rear.
The gears balance the difference between the front and rear of the truck. More in front less in the rear, less in front more in the rear. Pretty simple.
John
The gears balance the difference between the front and rear of the truck. More in front less in the rear, less in front more in the rear. Pretty simple.
John
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Senior User
Joined: Nov 2008
Posts: 411
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From: Cle Elum WA
Go here Randy's Ring & Pinion. RPM Calculator. Use the Calculator, See where you at now at 60....Figure out where you want to be...You would drop roughly 500RPM at 60 by going to 355s. Thats where I would go if I wanted a daily driver that could still haul tow occasionaly.
my.02
Greg
my.02
Greg
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Posting Guru
Joined: Dec 2000
Posts: 1,793
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From: San Diego CA
When I drove my 61 home from Tacoma WA I had it loaded down with a 302 and tranny, a Volare clip, set of rims, and a couple hundred lbs. of other crap. I got 12-14 mpg and pulled all the hills no problem. 292, granny 4spd, 3.89s and 33x12.50 15, also went through a case of oil.
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Cargo Master
Joined: Sep 2007
Posts: 2,095
Likes: 2
From: Wahpeton ND
I thought of using a 3.55. Then I realized that every truck I've had was a 3.55 truck. They will tow but are terribly slow at getting to speed.
I figured a 3.73 would be a better balance. I dont want to hear a long lecture about towing with these trucks but do intend to tow.
Maby there is a 3.67 or so gear Ill look around.
MPG with a 3.55 anyone?
I figured a 3.73 would be a better balance. I dont want to hear a long lecture about towing with these trucks but do intend to tow.
Maby there is a 3.67 or so gear Ill look around.
MPG with a 3.55 anyone?
Elder User
Joined: Dec 2008
Posts: 707
Likes: 0
From: Owasso, Ok.
appreciate it....been trying to figure out what im gonna do....change trany/motor/rear end....not sure yet.
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