Notices

9in 56

Thread Tools
 
Search this Thread
 
Old Jun 22, 2009 | 05:05 PM
  #1  
jlang's Avatar
jlang
Thread Starter
|
Senior User
Joined: Jun 2009
Posts: 137
Likes: 0
From: klamathfalls
9in 56

im plannin on swapin the stock4;88 gears for a 9 in
plan on 17 in rims with 3-4 in rubber on the back tires

ill run a 429 w/c6
i dont plan on towing anything, (young and got a lead foot) so i would like to have a good get up and go

what are your sugestions on a good gear ratio
ty, john
 
Reply
Old Jun 22, 2009 | 06:32 PM
  #2  
85e150's Avatar
85e150
Super Moderator
20 Year Member
Community Builder
Liked
Community Favorite
Joined: Apr 2004
Posts: 34,517
Likes: 2,826
Club FTE Gold Member
A 3 inch sidewall? That is a 23 inch diameter tire.
A 4 inch is 25.

At 65 mpg with the 23 inch tire, you are at 2849 RPM with a 3.0 axle.

With the 25 inch tire, 2621 with the 3.0.

As I said before, go here and put in other variables:

Novak Conversions - Gearing & Gearing Math for Jeeps
 
Reply
Old Jun 22, 2009 | 07:18 PM
  #3  
gearhed1971's Avatar
gearhed1971
Senior User
Joined: Jan 2006
Posts: 434
Likes: 0
From: Little Falls,New York
wow,my falcon's turning 150 mph at 7200 rpm
 
Reply




All times are GMT -5. The time now is 03:34 PM.

story-0
This Hennessey Takes the Expedition Tremor's Off-Roading Capability to the Next Level

Slideshow: The VelociRaptor Expedition gains a lift, upgraded suspension, Brembo brakes, and trail-ready equipment while retaining the stock 440-horsepower EcoBoost V6.

By Verdad Gallardo | 2026-06-12 11:01:55


VIEW MORE
story-1
Top 10 Fords at 2026 Carlisle Ford Nationals

Slideshow: Top 10 Fords at 2026 Ford Nationals

By Joe Kucinski | 2026-06-09 11:10:08


VIEW MORE
story-2
3 Best / 3 Worst Parts of Modern Ford Ownership

Based on years of owning multiple modern Ford products.

By Brett Foote | 2026-06-09 10:53:36


VIEW MORE
story-3
10 Amazing Upgrades That Solve Common Ford Truck Owner Headaches

SPONSORED: From muddy boots to rain-soaked cargo, these upgrades address some of the most common frustrations Ford truck owners face every day.

By Pouria Savadkouei | 2026-06-08 18:50:34


VIEW MORE
story-4
Every 2026 Ford Engine Explained

Here's everything you need to know about every Ford engine available for the 2026 model year.

By Brett Foote | 2026-06-05 12:58:01


VIEW MORE
story-5
10 Ugly Ford Trucks That We Still Kinda Love

Slideshow: 10 ugly Ford trucks that we still kinda love.

By Joe Kucinski | 2026-06-03 09:51:16


VIEW MORE
story-6
10 Things Every Truck Owner NEEDS (2026 Edition)

Slideshow: the best gifts for dads & grads

By Michael S. Palmer | 2026-06-03 15:43:58


VIEW MORE
story-7
Rezvani's Latest Post-Apocalyptic Monster Is a Ford F-150 Raptor Underneath

Slideshow: Called the Fortress, the 850-horsepower pickup combines Raptor underpinnings with military-inspired features, survival equipment, and a starting price of $285,000.

By Verdad Gallardo | 2026-06-03 11:38:36


VIEW MORE
story-8
Top 10 Most Expensive Ford Trucks Ever Sold on Bring a Trailer

Slideshow: 10 most expensive Ford trucks ever sold on Bring a Trailer.

By Joe Kucinski | 2026-05-27 16:24:34


VIEW MORE
story-9
2027 Ford Super Duty Buyer's Guide (Every Model, Engine, & Package)

Here's everything that has changed for the latest model year.

By Brett Foote | 2026-05-27 16:17:28


VIEW MORE