They have used various real-world test data and the latest technology in design methods to help create solutions to their customers' demands. SunCoast Performance has invested a significant amount of time identifying, testing, and correcting countless designs to develop the perfect OEM transmissions and torque converters. It is the go-to brand of enthusiasts who want to have the best drivetrain for their vehicle. Today, SunCoast has become one of the leading brands in its market segment. It started as a two-person operation in Fort Walton Beach, FL, and produces high-performance aftermarket torque converters, transmission assemblies, and parts. SunCoast Performance is a company that was established in 1989. Suncoast billet triple disc torque converter.Suncoast custom ratio billet band lever.Custom calibrated lab tested valve body.The in conjunction with our billet cover ensures many years of performance. The billet triple disc torque converter that comes with this new Suncoast 48RE transmission is lined with carbon-graphitic clutch material and is equipped with a precision-CNC-machined, forged billet apply piston to ensure no deflection occurs.
In addition, all new 48RE transmissions get upgraded with the DNJ billet solenoid housing and upgraded governor solenoid.
The governor pressure sensor (transducer) is also replaced with a new one. The Suncoast 48RE transmission also comes with new overdrive and lockup solenoids. Each one of these valve bodies and pumps is custom-built for the customer's individual needs, whether it be towing, street performance, or the track. This allows not only for more optimal line pressure but also increased volume. The valve body and pump are also recalibrated, and the separator plate is replaced with a new laser-cut, SunCoast-proprietary plate.
#Suncoast transmission upgrade
The band is a further upgrade to a pro-series, carbon-graphitic band to improve friction performance. To continue with the upgrades to the band circuit, we add a billet band anchor, a billet band strut, and a billet applies lever. This servo also is improved to a four-ring servo, versus the factory two-ring, with the primary sealing ring being square-cut Teflon and the second being an o-ring. We replace the factory cast servo with a larger billet servo that has more applied pressure and improved release.
To alleviate the issues with the factory intermediate band circuit, we address many facets of the all-too-common second gear band burn-ups on the 48RE Transmission - the first facet being the servo that applies the intermediate band itself. It is standard in all of our units to replace this factory piston with our improved billet piston to not only restore hydraulic integrity but to improve reliability, as well. It is also not uncommon to see this accumulator piston cross-leak within the bore, which is the reason we engineered this piston to be a four-ring sealing piston, versus the factory two-ring.
#Suncoast transmission crack
The factory accumulator piston, being plastic, deteriorates over time, causing it to crack or simply break into many pieces. There are several key components in this transmission that are upgraded to not only improve performance but also restore hydraulic integrity. This is a perfect upgrade for someone towing and hauling or who has a slightly modified vehicle. This new SunCoast 48RE transmission is rated at 450HP.
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