Boss 302 gear swap????
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Mach 1 Member
Joined: July 13, 2010
Posts: 517
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From: Cal
The 3.73's are perfect for both road course or drag strip on a stock car, but if you mod where you add a decent amount of power, then traction becomes an issue with the 3.73's coming out of corners on a road course, and on the drag strip if you mod the car so it traps more than 121-122 mph it then requires a shift to 5th at the strip, which kills more time than what you give up going from 3.73's to 3.55's during in gear acceleration.
Plus with the additional power from mods, with 3.55's you'll be less likely to spin as much when at WOT or in the shift to 2nd.
With more power comes less traction.
More traction = easier to put to the ground = faster on all accounts.
The reason the current GT500's come with 3.55's and even the more powerful 2013 GT500 is dropping to 3.31's as with the additional power, even the 3.55's are too much.
Cobra R Member
Joined: December 3, 2010
Posts: 1,851
Likes: 3
I have been thinking about doing this myself. It would give me more RPM's before banging the rev limiter on certain tracks with the shorter tires. I have not priced it out yet but if you go down this road I'm in for the results.
GT Member
Joined: June 20, 2011
Posts: 159
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From: OKC, OK
Completely out of subject, but you really should trade in that Yellow Blaze and buy a GHIG 2013 Boss to match that '70!!!
Cobra R Member
Joined: December 3, 2010
Posts: 1,851
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Bullitt Member
Joined: January 13, 2010
Posts: 273
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From: Cen-tex
The 3.73's are perfect for both road course or drag strip on a stock car, but if you mod where you add a decent amount of power, then traction becomes an issue with the 3.73's coming out of corners on a road course, and on the drag strip if you mod the car so it traps more than 121-122 mph it then requires a shift to 5th at the strip, which kills more time than what you give up going from 3.73's to 3.55's during in gear acceleration.
Plus with the additional power from mods, with 3.55's you'll be less likely to spin as much when at WOT or in the shift to 2nd.
With more power comes less traction.
More traction = easier to put to the ground = faster on all accounts.
The reason the current GT500's come with 3.55's and even the more powerful 2013 GT500 is dropping to 3.31's as with the additional power, even the 3.55's are too much.
Plus with the additional power from mods, with 3.55's you'll be less likely to spin as much when at WOT or in the shift to 2nd.
With more power comes less traction.
More traction = easier to put to the ground = faster on all accounts.
The reason the current GT500's come with 3.55's and even the more powerful 2013 GT500 is dropping to 3.31's as with the additional power, even the 3.55's are too much.
Bullitt Member
Joined: August 25, 2011
Posts: 411
Likes: 0
From: Miami
Originally Posted by Jza1736
Gotta Have It Green
Loved the gearing in my old mustang with the 3.73 5 speed, but i never had it out on the track to say anything of techy usefulness.
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Mach 1 Member
Joined: July 13, 2010
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From: Cal
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