Front of Shop
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Shop Entrance
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Back of Shop
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Gearstar Team
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Group Shot
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Welcome to Gearstar Performance
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Gearstar installs automatic 3 speed and 4 speed transmissions in any car or truck
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Gearstar installs automatic 3 speed and 4 speed transmissions in any car or truck
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Doug disassembling transmission and inspection of components
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Trans cases being prepped and to be painted for assembly
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Vintage transmission parts ready for assembly
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Prepped transmission cases ready for remanufacturing
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Patrick: Preparing to wash a transmission case in our state of the art parts washer
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Overview of Gearstar production area
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Photo of some Gearstar technicians
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Thomas finishing a transmission
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Transmission sub-assemly being checked at builders bench
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Final assembly of 4L80E
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Reinstalling transmission pan after final calibration.
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700 R4 transmission and valve body assembly
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Final assembly for a 200 4R transmission
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Complete pump assembly being installed in a 4L60E
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This is a 3-4 high capacity clutch assembly being installed into a 4L60 level IV transmission clutch drum.
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This C5R 444 LSX engine in our 2000 Camaro Shop Car built by Wheel to Wheel, puts out a whopping 870 hp at the rear wheels. The
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Patrick is installing a new governor cover on a 4L60 level IV transmission.
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Patrick is getting ready to install a 4th gear super hold servo on a 4L60 level IV transmission. This increases the 4th gear by
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Patrick putting the tail housing on a 700 R4 transmission.
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Patrick assembling the input drum on a 545RFE.
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Patrick inspecting the 545RFE over drive clutch assembly before installation.
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He then installs the 545RFE input drum assembly into the transmission case.
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Then he installs the completed 545RFE front pump assembly into the case.
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Patrick is preparing to torque the valve body bolts on the 545RFE.
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Mark is removing old bushings on a 350 transmission to be replaced.
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He then installs new bushing sin the mechanical press.
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He then installs new bushings in the mechanical press.
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Mark, our master tech, is installing the completed rear planetary and output shaft assembly into the transmission case.
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He then proceeds to install the high capacity clutch drum pistons into each drum set.
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He then installs the clutches and steel plates into the drum sets.
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Patrick is installing one of our deep cast aluminum pans on one of our level IV 400 transmissions.
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Master Tech Steve is installing a chrome pan on a level II 350 transmission.
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Steve is applying a sealer to a rear seal to be installed in a 350 tail housing.
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Steve is applying a sealer to a rear seal to be installed in a 350 tail housing.
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Thomas inspects the valve movement ina 4L60 valve body he finished assembling. We double check every aspect of our assembly pro
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Mark, general manager & master technician, assembling the clutch drum on a TH 350
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Patrick is preparing to install a Gearstar re-programmed valve body
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Installing adapter plate assembly for proper fit
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200 4R after assembly - ready for Dyno test
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A finished Gearstar performance turbo 350 Level IV with 11" full billet racing converter
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Zack standing next to 4L85E transmission with custom Hemmy billet aluminum adapter
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Gearstar transmission being tested on Dyno before shipping
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Transmission being prepared for Dyno testing
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Calibration being checked on 700 R4/4L60 transmission while on Dyno
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Mark our master technician performing a valve body calibration during Dyno testing
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Finished Gearstar Performance transmissions
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4L80E Level IV transmission with billet racing converter after final Dyno test
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He checks the selector shaft threads on a 200 4R before seeding it to the dynometer.
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David is installing a drum assembly on a transmission at his bench.
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Zack is at our dynometer pre-filling a torque converter before he installs it into the transmission he's going to test.
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Zack installs the rear yoke assembly into a 4L65E before testing. This output shaft and yoke simulate vehicle load and weight.
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Patrick and Mark working together on the dynometer to unhook a 4L60 level II transmission. If a builder has a free minute he alw
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Thomas checks operating pressures and electronics on his transmission while dyno testing it.
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Thomas at this bench with a partially assembled 4L60 level II transmission.
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A view of our production area and builders stations.
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A view of our production area and builder stations.
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Finished Gearstar Performance 700 R4/4L60 Level IV transmission
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Gearstar performance state of the art dynometer used for testing "every transmission built"
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Our AXILINE dynamometer can test transmission line pressure, shift point and response, shift quality, down shifts and converter lockup and stall speed -- all under simulated vehicle load conditions. We check for leaks and drop in pressure we also check hydraulic and system controls and make adjustments while the transmission is mounted on the DYNO
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Thomas Dyno testing his transmission
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Mark is getting ready to re-calibrate a transmission on the Dyno
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Finished Gearstar 700 R4 Level IV Transmissions
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Gearstar finished transmissions - 700 R4 (left), 4L80 (center and right)
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Our finished transmissions after Dyno testing waiting to be crated for shipping
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Some of the Gearstar crew with our finished product; Pictured from front to back: Zack, Pat, Toni and Mark
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Thomas preparing a transmission for shipping
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One of Gearstar Performance's transmissions crated and ready for shipping
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Gearstars finished transmission shown here in it's integrated wood crate, ready for delivery
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Gearstar installs automatic overdrive transmissions - Pictured: Our Gearstar "White Magic" race car
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86' Monte Carlo on lift being fitted with Gearstar 200 4R Level 4 transmission
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This 1954 Chevy BelAir has been fitted witha Gearstar Performance 4L60 level B transmission. We custom install our overdrive tr
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One of the power plants that Gearstar Performance puts overdrive tranmsission behind. This 572 CI was fitted with a Gearstar 4L8
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Flex plate inspection
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Gearstar Level II torque converter
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4L60 being calibrated further in 1954 Chevy BelAir
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4L60 in '34 Ford final inspection after installation
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Mark making final adjustments on throttle valve cable on 69' Grand Sport
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'66 Chevelle on lift being fitted with Gearstar 200 4R Level 5
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Some of the Gearstar team with 2009 Street Rodder Road Tour car
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The 2009 Street Rodder Road Tour cars at the Gearstar Road Tour event
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2009 Street Rodder Road tour participant's car at Gearstar's Road Tour event
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Mark showing the Road Tour group what goes into a Gearstar transmission
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Mark explaining how we calibrate our speedometers to your cars specifications and needs
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Patrick talking to a Street Rodder Road Tour participant about the best transmission package for his car
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