245/45/17 vs 275/40/17 tires

1sik32v

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The brand is a federal ss595 I've had them before but not sure wut size I want.....I do a lot of mountin driving and I am pretty aggressive around the corners.... the price difference is $12 and some change each but I don't know if buying the wider one is worth it or not...asking if it would perform any better or not.... thanks
 
On what size rim? The 275's will likely need at least a 9" wide rim.
 
Recommended rim size is 8-10 and I have 9 inch
 
So are you asking if the tire with the larger contact patch would have more grip?
 
So are you asking if the tire with the larger contact patch would have more grip?

Overall performance..... and I want them because I have had them before in the smaller size and I love them..... they handle beautifully and affordable I have never broke traction wen I didn't try to with these tires
 
Overall performance..... and I want them because I have had them before in the smaller size and I love them..... they handle beautifully and affordable I have never broke traction wen I didn't try to with these tires
Overall performance. Well being its a tire I guess its job to perform is to have as much grip on the road as it can.
So then you are wondering if the tire with the larger contact patch would perform (grip) better then the tire with less road contact?
 
Overall performance. Well being its a tire I guess its job to perform is to have as much grip on the road as it can.
So then you are wondering if the tire with the larger contact patch would perform (grip) better then the tire with less road contact?

Now that u word it like that then yeah but I might be slow but not dumb I know a wider surface patch is going to have more grip....just asking if there r other factors that take place with a wider tire ex. More drag etc.
 
Now that u word it like that then yeah but I might be slow but not dumb I know a wider surface patch is going to have more grip....just asking if there r other factors that take place with a wider tire ex. More drag etc.
The tire has more contact with the road, more grip so there will be more drag.
 
Better sizes would be 245-50-17 (Similar to stock height) or a staggered set of 255-45-17/285-40-17 but hard to find in a match set.

Personally I dont think I would recomend or personally run a tire wider than 255MM on these cars. Bumpsteer has to be crazy with anything wider up front. I know on a Thunderbird anything wider than a 245MM tire on the front and Bumpsteer is an issue.

Brad
 
245/45 would be kind of short on a 17 inch rim. i run that size on an 18
 
I've run 245/45/17s front and 275/40s rear on my 17x9 Cobra R's, they're too short for a Mark VIII (or Tbird for that matter.) Stock diameter is 26.63," the 245/45s would be 25.681," and the 275/40s would be 25.661." Both an inch shorter than stock, and look wrong on a car this size. Chromebrow's car looks OK lowered, but that tire size looks like crap closer to stock height.

I now run 255/50/17 Nitto NT555s (27.039") and they look and perform great, and "only" $140 a whack from discount tire direct.
 
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I have 245/45 on my 17's in my pic below. I love them and sticky as hell during fast hard turns.
 
looks nice but your sppedometer is probably 3 or 4 miles of at 60 mph
 

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