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-   -   Top End Speed (https://mustangforums.com/forum/3-7l-v6-technical-discussions/618293-top-end-speed.html)

stang11v6 09-26-2010 08:41 PM

Top End Speed
 
Does anyone know what the Top End Speed the V6 can do? What gears in rear? This is with limiter removed.
130?140?150?

Funster_2011V6 09-27-2010 11:08 AM

An interesting question. Lets figure this out:

According to Ford, the transmission ratios 1-6 are: 4.236, 2.538, 1.665, 1.238, 1.00, 0.70.

Source: http://media.ford.com/images/10031/2...g_v6_Specs.pdf

The tire Revolutions Per Mile are either P225/60R17 = 753 (base), P235/50ZR18 = 765 (mca or pony pack), 255/40R19 = 738 (perf pack).

Source: http://www.tirerack.com

I used this tool to crunch the numbers, since I didnt feel like doing it myself. One drawback to this page is that it gives static revolutions per mile based on tire size alone regardless of what the tire maker says it should be, but for an estimation it's close enough:

http://juric.org/mopar/tools/topspeed.php

Assuming no speed limiter, 6850 rpm redline and in sixth gear.

2.73 gears in a base v6 you get 295mph

2.73 gears in a mca v6 gives 291mph

3.31 gears base is 242mph

3.31 mca is 239mph

perf pac only comes one way (3.31 and 19" wheels standard) and comes out 237mph

These of course are impossible figures since we aren't taking into consideration air drag. as a matter of fact, the only cars that hit these kind of speeds are hypercars like the 1000hp Bugatti Veyron and even then it has to be put in a special "high speed" mode where it closes all the spoilers and drops its suspension to the ground. So, lets run the numbers again in 5th gear which is a 1 to 1 ratio:

2.73 gears in a base is 206mph

2.73 gears in a mca is 203mph

3.31 gears base is 170mph

3.31 mca is 167mph

perf pac is 166mph


Now, these are closer to real life I suppose and if theoretical is all you're after then they're good enough.

With a blower, maybe the Perf Pac car could pull redline in fifth. I really don't know.

Snakebite64 09-27-2010 12:47 PM

300 mph easily

6+6 Stang 09-27-2010 03:40 PM

Damn Funster, you sure you aren't Astronant Farmer LOL, instead a plain Farmer , too much rocket science here LOL

stang11v6 09-27-2010 06:55 PM

thanks

Funster_2011V6 09-27-2010 07:10 PM

Quote:

Originally Posted by 6+6 Stang (Post 7218375)
Damn Funster, you sure you aren't Astronant Farmer LOL, instead a plain Farmer , too much rocket science here LOL

LOL. I even researched, computed, and typed all this from my tractor too. Brought my wireless hotspot and my laptop to play with while I waited on the corn to load into the grain bin.
:icon_tinykitball:

6+6 Stang 09-27-2010 07:23 PM

I knew a man in indiana who went crazy in a corn silo looking for a corner to crap in as well LMAO

LostBoyz 09-27-2010 07:25 PM

I would guess 130-140mph

6+6 Stang 09-27-2010 07:38 PM

so funster you keep crunchin them numbers while stackin that corn, I'll keep vacuum packin it, here's your new avatar ........this was some good sweet corn,,,, now back on topic, if I can go 130 happy...

http://i833.photobucket.com/albums/z...IMG_1582-1.jpg

stang11v6 09-27-2010 07:56 PM

so if i am going downhill, can i make it go faster?????

what about uphill? will it maintain the same speed?


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