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200-4R Transmission: The Holy Grail of Power, Fuel Efficiency

Gearstar Performance January 9th, 2018 6 minute read

If you are looking for a way to upgrade your classic muscle car’s Powerglide or TH350, then you would be hard-pressed to find a better answer than the...

Building a 4L60E With Performance-Friendly Gear Ratios

Gearstar Performance December 31st, 2017 6 minute read

When adjusted with proper gear ratios and a set of the right aftermarket parts, the 4L60E can be just the high performance transmission you’re looking...

Taking 700R4 Performance to Higher Heights

Gearstar Performance December 4th, 2017 7 minute read

They say a car is the sum of its parts – if you take but one piece out, then a well-made racing machine just flat out won’t work. Racing rigs are built...

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