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Discussion Starter · #1 ·
http://www.granatellimotorsports.com/pdf/manual34.pdf This is the link to the installation manual for Granatelli's GM tranmission tuner. It is a direct plug in between connectors. I emailed their tech dept. and they said it will work with an 05 SSR, part #420102. Has anyone tried this in their 05? It is under $130.00 and has adjustable shift firmness up to 30 psi and also something with torque convertor lockup, but that bit is beyond my understanding.
I know when all the tuners catch up and start offering microtuners for our 05 models this will be offered. However, I thought this might be a nice option if someone ( me ) only wanted a firmer shift without using a mechanical shift kit. What are your thoughts???
 

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Boosted said:
So they put the 4l80E in the 05 models...hmmmm
Boosted - My books show a 4L65E for the 05. I have inquired with TCI Transmissions and they do make an "updated" 4L60E for the 04 SSR, plus a heavy duty converter. I have seen other notable vendors in my myriad of car magazines who also supply "updated" 4L60E transmissions. I've used TCI back in my racing days and now when refurbishing muscle cars, when I have time.
 

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Discussion Starter · #6 · (Edited)
Well I guess the Granatelli tech doesn't know what he is talking about. What a suprise.... Thanks Gary's04
The next question would be , what is the difference between the 4L60E and the 4L65E? :confused
 

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Discussion Starter · #7 ·
Well, free time and curiosity got the best of me. I found my answer on GMgoodwrench.com.
24221888 4L65-E Automatic Transmission
GM Hydramatic has baked even more technology enhancements into the automatic transmission line up with the new 4L65E. This transmission, the latest creation from GM Hydramatic Motorsports, is a four speed, offering all the latest heavy duty components to stand up to the power of the LS6-405 HP Corvette engines. Upgrades like induction hardened turbine input shafts, larger intermediate servo, an additional three-four clutch plate. All go toward accommodating higher engine power output. The 4L65E offers optimized performance, fuel economy and increase durability. This sate-of-the-art transmission features the latest heavy duty components and high tech-electronic controls. The advanced electronics controlling the LS6 engine also manages the 4L65E shift points, providing unparalleled performance and durability, P/N 24221888 also includes the torque converter. (No core charge required on this transmission)
 
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so tell me. what does this all mean to a dummy like myself. will this get me quicker shifts in between the gears and a faster time to 60 mph?/////
 

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Discussion Starter · #9 ·
I had a 94 Z-28 with a 4l60e transmission and I had a jet performance transmission control module on it and it made a tremendous difference. This thing had 4 settings and the last setting was race mode and it would chirp the 1-2 shift so hard it I swear I was scared. Rock solid shifts and by the " seat of the pants " meter, faster. Unfortunately Jet doesn't seem to have one for an 05 SSR. I guess by years end there will be some more performance stuff out for the 05. I"m no pro on this stuff just know from what I've used on some of my previos F- body cars.
 
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