Automatic Shift Kit Upgrade
Thread Starter
Burning Brakes
Joined: Nov 2007
Posts: 1,241
Likes: 0
From: Oceanside New York
Automatic Shift Kit Upgrade
Hey all, anyone have any idea how long it takes and how complicated it is to install one of these into our 4L60E's?
Just curious, i'm thinking of tackling the job myself..i'm an amateur...should I just give it over to a pro?
Just curious, i'm thinking of tackling the job myself..i'm an amateur...should I just give it over to a pro?
Heel & Toe
Joined: Jun 2008
Posts: 15
Likes: 0
From: Bakersfield Ca
IF YOU DON'T KNOW WHAT YOUR DOING WITH AUTOMATIC I WOULD LEAVE IT TO THE PROS, I HAVE BEEN BUIDING TRANSMISSIONS FOR A LIVING FOR OVER 20 YEARS AT A GM DEALERSHIP AND SEE SO MANY CARS GET TOWED IN BECAUSE PEOPLE HAVE TRIED TO WORK ON IT AND MESSED IT UP
TO PUT A SHIFT KIT IN YOU NEED TO REMOVE THE VALVE BODY AND SERVO DEPENDING ON THE KIT YOU USE AND CHANGE SPRINGS AND VALVES, AND NOT HARD IF YOU KNOW WHAT YOUR DOING
TO PUT A SHIFT KIT IN YOU NEED TO REMOVE THE VALVE BODY AND SERVO DEPENDING ON THE KIT YOU USE AND CHANGE SPRINGS AND VALVES, AND NOT HARD IF YOU KNOW WHAT YOUR DOING
Thread Starter
Burning Brakes
Joined: Nov 2007
Posts: 1,241
Likes: 0
From: Oceanside New York
IF YOU DON'T KNOW WHAT YOUR DOING WITH AUTOMATIC I WOULD LEAVE IT TO THE PROS, I HAVE BEEN BUIDING TRANSMISSIONS FOR A LIVING FOR OVER 20 YEARS AT A GM DEALERSHIP AND SEE SO MANY CARS GET TOWED IN BECAUSE PEOPLE HAVE TRIED TO WORK ON IT AND MESSED IT UP
TO PUT A SHIFT KIT IN YOU NEED TO REMOVE THE VALVE BODY AND SERVO DEPENDING ON THE KIT YOU USE AND CHANGE SPRINGS AND VALVES, AND NOT HARD IF YOU KNOW WHAT YOUR DOING
TO PUT A SHIFT KIT IN YOU NEED TO REMOVE THE VALVE BODY AND SERVO DEPENDING ON THE KIT YOU USE AND CHANGE SPRINGS AND VALVES, AND NOT HARD IF YOU KNOW WHAT YOUR DOING
Pro
Joined: Mar 2007
Posts: 600
Likes: 11
From: Wilmington NC
True, however I got both done (tune & B&M stage II shift kit) it's a mean son of a gun!!!!
The car actually chirps tires going up or down in the first two gears. Add gears and a high stall and you're talking business!! Let me tell you.
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Team Owner
Joined: May 2003
Posts: 23,480
Likes: 9
From: East Meadow NY
St. Jude Donor '12
They don't have to put it on the dyno if they are just playing with the transmission. A good tuner will make the car feel very different. My car felt almost brand new after adding a cold air intake and a proper dyno tune.
You live in Oceanside. Take it to the Vette Doctors and be done with it!
You live in Oceanside. Take it to the Vette Doctors and be done with it!
Thread Starter
Burning Brakes
Joined: Nov 2007
Posts: 1,241
Likes: 0
From: Oceanside New York
They don't have to put it on the dyno if they are just playing with the transmission. A good tuner will make the car feel very different. My car felt almost brand new after adding a cold air intake and a proper dyno tune.
You live in Oceanside. Take it to the Vette Doctors and be done with it!
You live in Oceanside. Take it to the Vette Doctors and be done with it!
.Yeah, I heard about them...I might take her over...I found out that I just accidentally invested in a Race Exhaust from Borla...now I gotta return this thing....
Le Mans Master
Joined: May 2006
Posts: 7,810
Likes: 209
From: Hillsboro OR
You need your trans tuned, not a dyno tune. Have the upshift points moved up the RPM band, and downshift points moved down the RPM band. Also change the shift times to .250 Sec. It will drive like a completely different car.
P.S. Don't mess with the shift pressures. HTH
P.S. Don't mess with the shift pressures. HTH
Burning Brakes
Joined: Aug 2006
Posts: 1,155
Likes: 0
From: San Diego California
The 4L60E is the electronic version of the mexhanical 700R4. You can firm up the shift points, etc., with a plug in Hypertech programer. You do not need to install a Transgo or other shift kit. I installed the Hypertech progrram for the trans, to firm up shifts at ther 100% level several years ago- good improvement with no adverse impact on the trans (now 79K miles). However, I wish it was even firmer, and really "kicked" each gear change like the Trnsgo in my C3 (TH350 trans) and my previous C4 (700R4 trans).
Pro
Joined: Mar 2007
Posts: 600
Likes: 11
From: Wilmington NC
You need your trans tuned, not a dyno tune. Have the upshift points moved up the RPM band, and downshift points moved down the RPM band. Also change the shift times to .250 Sec. It will drive like a completely different car.
P.S. Don't mess with the shift pressures. HTH
P.S. Don't mess with the shift pressures. HTH
