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  #1  
Old 10-26-2009, 01:34 PM
big green big green is offline
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Default anybody know how to get more power out of a 4.0L

just wondered if there was any way to get some more power out of my 4.0L, driving the other day and my buddies 1980-somthing caravan smoked me could not catch him, till i got a run at him, And i never heard the end of it...
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1999 ranger 4x4 supercab, 4.0L
-3 inch PA body lift
-16 inch pro comp alloys
-33x11.50 BFG all terrain
-Go Rihno roll bar with 4 KC Daylighter lights
-weston bull bar
-dual exhaust,
-air box mod, tightend throttle cable.
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  #2  
Old 10-26-2009, 02:05 PM
Fx4wannabe01 Fx4wannabe01 is offline
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Get it geared properly? Whats your current gear ratio?
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  #3  
Old 10-26-2009, 02:06 PM
STL STL is offline
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Ya 33" tires with the wrong gear ratio was your problem
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  #4  
Old 10-26-2009, 02:22 PM
big green big green is offline
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the rear end gear is 3.73.
how would i adjust my gearing
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1999 ranger 4x4 supercab, 4.0L
-3 inch PA body lift
-16 inch pro comp alloys
-33x11.50 BFG all terrain
-Go Rihno roll bar with 4 KC Daylighter lights
-weston bull bar
-dual exhaust,
-air box mod, tightend throttle cable.
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  #5  
Old 10-26-2009, 02:27 PM
Fx4wannabe01 Fx4wannabe01 is offline
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Yeah...you need at least 4.10's. Axle swaps is cheapest.
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  #6  
Old 10-26-2009, 02:33 PM
big green big green is offline
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would i find one for the front as well or would i have to swap gears
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1999 ranger 4x4 supercab, 4.0L
-3 inch PA body lift
-16 inch pro comp alloys
-33x11.50 BFG all terrain
-Go Rihno roll bar with 4 KC Daylighter lights
-weston bull bar
-dual exhaust,
-air box mod, tightend throttle cable.
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  #7  
Old 10-26-2009, 02:47 PM
Loganthegreat1 Loganthegreat1 is offline
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my first suggestion is a K&N cold air intake, it'll improve your gas mileage and give you a few more horsepower.....
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  #8  
Old 10-26-2009, 02:59 PM
Fx4wannabe01 Fx4wannabe01 is offline
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Quote:
Originally Posted by big green View Post
would i find one for the front as well or would i have to swap gears
Yeah....front and rear axle swaps with junkyard 4.10 axles is cheapest when compared to gear swapping your existing axles. Gear swapping can be $1200. Axle swapping can be $400 tops. If you plan on bigger tires down the road, swap to 4.56 gears. Better and smarter for the long run.
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  #9  
Old 10-26-2009, 03:15 PM
RANGER @ GT RANGER @ GT is offline
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It's a truck you are not supposed to be racing right???? ask him to join for a small/slow ride on a mud pit..... then drink a beer while seeing his caravan slowly sink in the mud...
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  #10  
Old 10-26-2009, 03:37 PM
big green big green is offline
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but for the axel swap should i go with the 4.10 or the 4.56, also witch of the 2 is better for towing..
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1999 ranger 4x4 supercab, 4.0L
-3 inch PA body lift
-16 inch pro comp alloys
-33x11.50 BFG all terrain
-Go Rihno roll bar with 4 KC Daylighter lights
-weston bull bar
-dual exhaust,
-air box mod, tightend throttle cable.
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  #11  
Old 10-26-2009, 03:39 PM
STL STL is offline
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4.10 if you dont plan on any bigger tire
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  #12  
Old 10-26-2009, 03:46 PM
big green big green is offline
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might go to 35 inch tires in a year or more
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1999 ranger 4x4 supercab, 4.0L
-3 inch PA body lift
-16 inch pro comp alloys
-33x11.50 BFG all terrain
-Go Rihno roll bar with 4 KC Daylighter lights
-weston bull bar
-dual exhaust,
-air box mod, tightend throttle cable.
Reply With Quote
  #13  
Old 10-26-2009, 03:46 PM
Fx4wannabe01 Fx4wannabe01 is offline
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Quote:
Originally Posted by big green View Post
but for the axel swap should i go with the 4.10 or the 4.56, also witch of the 2 is better for towing..
can't get 4.56 stock....4.10 is the deepest from a junkyard axle.

Check out the gear ratio sticky.
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  #14  
Old 10-26-2009, 03:48 PM
Fx4wannabe01 Fx4wannabe01 is offline
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Quote:
Originally Posted by big green View Post
might go to 35 inch tires in a year or more
Then gear swap it to 4.56....rpms on highway will be higher, but the truck will be far more drivable. And 4.56 is minimum needed for 35's.

Again, check out the stickied ratio chart.
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  #15  
Old 10-26-2009, 03:59 PM
STL STL is offline
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Ya check it out I spent a whole 2 hours on that thing.

Tire gear ratio chart
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