hi all: just a quick question. i realize this has probably been discussed before.
does anyone have a v6 5spd with 3:08 gears and 265x75 tires.
if so how is the performance? i currently have 245x75 tires and i don't think it would be that great of a change. i know new gears would greatly enhance the performance but the change for those is not in the pocket right now.

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'97 f150 rc, flair side,4x4,v6,5 spd, k&n air filter,

 

I sure do WildChild,

I have the same truck with the 265/75R16 tires. (I think this is the maximum size you can put on your truck with 3.08 gears). I lost a little bit of low end power and mpg is down a tad. But not enough for me to put back on my training wheels

It took my a little time to get used to the new shifting positions. I don't really use the 5th gear anymore (always have to downshift going up small hills). I am thinking about 3.73 or 3.55 gears later on because if you use your truck for off-road, you may wish you had a 5.4l engine.

Meaning that you will find yourself in low gear all the time with those tires. I now need to shift my transfer case in LOW 4x4 to go to places I went before in reg. gear.

I am "toughing it" for now until I can get the cash to change gears (I love to go into the mountains). I will get a SuperChip soon to help my engine a little with my new effective gear ratio due to the tire size. I think that if you really love the look of the bigger tires, go for it. But set aside a little cash to put a little more power into your engine. Here is a pic of my truck with those tires...
https://www.f150online.com/f150board...ML/000049.html

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1997 XLT 4.2l ORP 5-speed

http://www.eph1fifty.cjb.net

 

I had 235's w/ my 4.2/5-spd/3.08, when I stepped up to the 255's the bottom-end was a 'lil more sluggish. I have since changed to a 3.55LS, the difference is not severe, but it IS noticable. Doc

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1999 F-150
4.2L, 5-speed,
3.55 Limited Slip,
reg. cab, short bed, Sport Grill,
Pioneer DEH-P4000 CD,
Tinted windows, "blacked-out" factory rims, 255's in place of 235's (tiny tires!)
Delta toolbox
more to come....

Complete 3.08 axle assembly, drum-to-drum, 10,000 miles, $300..

 

Your gearing will go down into the high twos with 265's. For every inch in tire height you increase, subtract 0.10 from your gear ratio.

 

thanks for the info everyone. i think for now i will stay with the 245's that i have. at least until i can afford to swap the gears at the same time.