New Shelby GT500 Trans Upgrades from Rockland Standard Gear

New Shelby GT500 Trans Upgrades from Rockland Standard Gear

Ford's new Shelby GT500 is just about perfect - it looks great, goes like hell and it makes all of the right sounds. Unfortunately, it has one major flaw that affects both performance and detracts from the driving experience. Ford selected gear ratios for the Tremec 6060 transmission to optimize 0-60mph times. The problem is that these ratios cause the engine to bog down on the 1-2 shift and also reduce shift quality.

Ford’s new Shelby GT500 is just about perfect – it looks great, goes like hell and it makes all of the right sounds. Unfortunately, it has one major flaw that affects both performance and detracts from the driving experience. Ford selected gear ratios for the Tremec 6060 transmission to optimize 0-60mph times. The problem is that these ratios cause the engine to bog down on the 1-2 shift and also reduce shift quality.

Rockland Standard Gear, home of the famous Tranzilla high-performance six-speeds has the ideal fix – RSG will transform your balky 6060 into a Tranzilla Jr., capable of withstanding up to 750hp with ratios that keep you buried in the powerband! RSG has two gearsets available (2.66/1.78/1.30/1:1/.74/.50 or 2.97/2.07/1.42/1:1/.80/.062). Both of these ratios are a huge improvement over the O.E. gear spacing of 2.98/1.78/1.30/1:1/.80/.63.

Additional modifications include a 30-spline, 9310-alloy mainshaft and REM (mirror) finished gears and shafts. The synchros are upgraded to carbon fiber triple cone (1-2) and carbon fiber double cone for the 3-4 and 5-6 gears. These Tranzilla Jr.s come with billet synchro keys, billet shift interlock and steel 3-4 shift forks, painstakingly custom matched and fitted and performance shimmed for maximum durability.

For those who’ve boosted their Shelby to the 1,000hp-plus level, RSG offers the original Tranzilla rated to 1200hp. They feature the same upgrades as Tranzilla Jr. plus a full 9310 super close-ratio (2.29/1.60/1.21/1:1/.85/.75) gearset ideal for road racing. Race type dog-ring synchros are also available providing clutchless shifting for quicker lap times.

To give your Tremec 6060 the RSG makeover you must send your trans to RSG for the transformation. They promise a one-week turn-around time from receipt of your transmission. For more information, contact: Rockland Standard Gear, 150 Route 17, Sloatsburg, NY 10974. Phone (800) 227-1523. Fax (845) 753-2330. Or visit us on the web at: www.rsgear.com.

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