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My Performabuilt Transmission Review.

This is a discussion on My Performabuilt Transmission Review. within the Automatic Transmission forums, part of the Drivetrain category; I have promised quite a few people I would let them know how my performabuillt transmission work out for me ...

  1. #1
    Slower Than a 3rd Gen juiced99ws6's Avatar
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    Mystic Teal
    99 Trans Am & 01 CBR 929

    My Performabuilt Transmission Review.

    I have promised quite a few people I would let them know how my performabuillt transmission work out for me so here it is. I have the stage 2 "pro race" series transmission and I abosolutely love it. At first I thought it was having some issues because my transmission dipstick was reading full however the transmission was slipping and didnt want to hold a gear. After poking around at it for a while it just seemed like there either wasnt enough line pressure or the transmission was low on fluid. Even though it was reading full I decided to just start dumping more in since I knew I had only put in the stock reccommended level and no had a aftermarket cooler and longer lines. I started off adding 2 quarts. It instantly improved. Overall with a couple test drives and everything I ended up adding 4 1/2 quarts total and the transmission is really kicking ass. Driving normally you just feel a little bump and can definatly tell when it shifts and under WOT the shifts get to be neck breakingly firm. I have heard alot of people complain about there performabuilt transmissions and if I didnt know better I may have done the same. I dont know if its because of the internal machine work or just from the cooler but all it needed was some extra fluid over stock. This transmisison is paired with a 3200 Stall converter from Fuddle racing and I love both products.

    So there is my review, any questions feel free to ask.

  2. #2
    Member silverz28camaro's Avatar
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    sebring silver
    2000 z28

    how much did you pay for this tranny, if its the one im thinking of isn't it like 1,800 dollars, now couldn't you just get all the parts they use and rebuild your for cheaper,

    whats all in the tranny, is it a trannsgo shift kit, beast shell, borg warner cluches, and sonnax superhold servos, other than that what else do you need in a 4l60e to make it hold 400+ horse

  3. #3
    Slower Than a 3rd Gen juiced99ws6's Avatar
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    Mystic Teal
    99 Trans Am & 01 CBR 929

    Our Pro Race Type transmission is.."and we say this without reservation" - the finest built performance automatic transmission in the industry. These transmissions are tough and built to handle whatever you dish out. We incorporate all the updates and modifications to compensate for the problems and issues they were born with from the factory. We believe you will not find a better performance transmission anywhere!

    Below are the details of our Pro Race (LEVEL-2) built Transmission.

    First, each core transmission is disassembled and carefully inspected. The case and hard parts are then cleaned thoroughly and re-inspected for cracks, wear, or other damage before we begin. The case is specially prepared, and a coating of and heavy duty, heat resistant, oil based enamel is baked on, creating a hard and durable glossy finish. The seals in the case are then replaced and assembly begins.

    The rear planetary assembly and bearings are meticulously inspected, then assembled into the case along with Alomatic reverse frictions and steels. At this time the center support and sprag (one way roller) are installed after being inspected for stress cracks and damage. Also a special anti clunk/case reinforcment device is installed to replace the OEM spring. This prevents the support from tearing through lugs in the case and reinforces the case.

    Next the sun gear is inspected and four slots are machined into the bottom. This improves lubrication to the rear planetary assembly by allowing oil to escape from between the bearing the gear it rests against, feeding additional lube to the planetary gears. This is a huge improvement, and virtually eliminates one of the most common points of failure for this type of transmission. In fact, contrary to common opinion, the rear planetary assembly in these is not in any way weak by design. Their failure is almost exclusively due to a lack of lubrication. When you see one of there with a damaged rear planetary, it will almost always be accompanied by the blue-black signs of excessive heat. Put simply, These planetary assemblies with good lube DO NOT EASILY FAIL, even in the most demanding environments.

    We then replace the sun shell with a new heavy duty unit called (and deservedly so) *THE BEAST, which far exceeds the factory component. THE BEAST is able to withstand the rigors of either the street, the strip, or the mud, whichever is your pleasure. No matter how hard you beat on it, THIS SHELL DOES NOT BREAK!

    Next, we re-inspect the front planetary assembles measuring clearances and making sure everything is within our own rigid specifications before installing it and inserting the output shaft and new retaining clip.

    The front sun gear is then slotted for improved lubrication, as the rear sun gear was, and installed. Then end play is set for the output shaft.

    Now for the input drum. We re-inspect it before installing new rubber seals and neoprene lubrication seal. Next, we install new alto overrun frictions,A BORG AND WARNER DUAL CAGE INPUT SPRAG ASSEMBLY IS INSTALLED and composite forward frictions. These forward frictions have a superior holding capability, as well as improved ability to withstand extreme heat, when compared with the OEM frictions. Since these frictions must hold the power of your vehicle in every forward gear, they have to be tough enough for the job.

    Finally, we replace the 3-4 clutch pack with the ALTO RED EAGLE and COLENE STEEL CLUTCH SET. This clutch set has proven it self over the years to be one of the best setups in the industry . The 8 friction clutch set is a massive improvement over the stock 6 clutch 3-4 set and the colene steels will take the heat while having excellent friction properties to hold the power.





    As we move on to the reverse input drum, it is assembled, seals replaced, and the band surface area resurfaced to accept the Max duty performance wide band. This band has approximately 20 percent more surface area for holding in both second and fourth gears. This stronger 2-4 band will hold the torque both during that tire chirping shift into second at full throttle in your performance machine,

    We also install the *FAIRBANKS SUPER SERVO* for maximum “apply pressure” in second gear, and the Sonnax twin piston super servo for overdrive, providing an additional 30 percent holding ability in 4th gear.

    Now we move on to the pump. It is inspected and modified to provide maximum lube to the planetary sets. We install a large boost valve suitable for the application. The vanes in the pump are carefully inspected for wear and replaced as needed, steel pump rings are installed. The pump bushing is replaced with a Teflon bushing, and notches are made in pump surface to prevent its movement in even the most demanding high RPM or towing situations. This effectively eliminates front seal blow out. In addition, the front seal is installed with a special adhesive and seal retainer to eliminate any possibility of ever having a problem. The pump is the heart and soul of any automatic transmission, and we make sure it’s a healthy one.

    The last section is the valve body. For this we use all we have learned over the years from considerable personal experience. What we have learned is, although most shift kits have certain distinct advantages, no one kit has all the best modifications…. some we liked others we didn’t. We took the best parts of each, and utilizing our own experience, created a set of modifications that is superior to all the others. We do not block accumulators, since the reason they exist is to prevent excessive shock to the transmission and drive train. With our transmissions, you will always have a solid, firm shift that will be linearly progressive. That means at light throttle you will feel a nice bump, letting you know the car or truck has shifted. As throttle is increased, the shifts will become more pronounced to the point of tire chirping in high performance vehicles or a firm shift at full throttle in a towing/hauling situation. It will not cause whiplash just cruising with your significant other or your grandmother around town, but will turn heads when laying it on the line.

    We also eliminate the partial lockup function GM mistakenly engineered into the transmission, thus eliminating converter shudder, premature converter clutch failure, and the well known code 1870, which causes high “line pressure”, no fourth gear, and teeth cracking shifts at low throttle. Lockup is either OFF or ON, not slipping off and on as it did with the factory PWM working. This does not affect performance, but it does have the added advantage of increasing low speed fuel efficiency, which at today’s fuel prices is like getting a bonus.

    So there you have it. Our LEVEL2 TRANSMISSION, designed to meet your needs today, tomorrow, and for many years to come!

    This unit is suitable for applications up to 700 HP (at the rear wheels), whether small block or big block. Choose Your Poison!


    here are the details from the website. the price now is 1740$ without a stall converter. When I purchased mine it was 1550$. A stock rebuilt would end up costing you over 1000$ though and then you have to figure in the price of the other stuff added to the transmission it would be hard to find a local shop to build you one to those specs for cheaper or even the same price.

  4. #4
    Senior Member slims00ls1z28's Avatar
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    2005 GTO M6 Black
    2000 Z28 A4 Red

    Sounds like a decent trans but I'd be leary of the input drum behind 700 RWHP as the input drum has a design weakness where the steel shaft is connected to the aluminum drum. If you go 700 RWP at least get a better drum assembly I have seen many cracked behind stock motors and even quite a few that didn't look cracked but wouldn't air check and were too loose.

  5. #5
    I lika da Chevy's LETHALxLS1's Avatar
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    BLACK
    Z/28 LS1

    Glad to hear it worked out for you. I was going to buy one myself until I read about a guy that got 2 in a row from them that had to be sent back so the guy was out $1000.00 labor and still had no tranny. On the third time around he wound up going with someone else. Cant blame him. I know that it says right in Performabuilts warranty they dont refund any more than the price of the transmission but I would have thought they could have stepped up and paid half the labor since they did send him 2 bunk transmissions in a row. The guy at Performabuilt claims they only have about a 1% failure rate on their trannys-if the rate is in fact that low wouldnt it have been smarter for Performabuilt to have just paid the guys labor costs to avoid the negative publicity this guy gave them? I mean I was all set to buy one till I read about this on tech. I opted to go with a local shop that builds 4l60es to just about any specs you want and a 3 year warranty to save myself any aggrivation.

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    Slower Than a 3rd Gen juiced99ws6's Avatar
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    Mystic Teal
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    yeah, I stopped going over to tech so I didnt read any of that but I am kinda glad that I didnt because I am happy with my transmission now and I would have been all worried about it the whole time that I was waiting to fire the car up and drive it.

  7. #7
    I lika da Chevy's LETHALxLS1's Avatar
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    BLACK
    Z/28 LS1

    I am glad you got a good one bro. I ,on the other hand, have a condition known as "shit luck" and would have most likely ran into problems. The weird thing is-I never go to Tech either. I just went to the sponsor feedback and saw it-I took it as a sign. But the majority of people I see posting love their Performabuilt.

  8. #8
    Slower Than a 3rd Gen juiced99ws6's Avatar
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    Mystic Teal
    99 Trans Am & 01 CBR 929

    Quote Originally Posted by BREAKxNECKxSPEED View Post
    I am glad you got a good one bro. I ,on the other hand, have a condition known as "shit luck" and would have most likely ran into problems. The weird thing is-I never go to Tech either. I just went to the sponsor feedback and saw it-I took it as a sign. But the majority of people I see posting love their Performabuilt.
    yeah like I said above some people may have returned perfectly good transmisisons due to not enough fluid or something. My dipstick read fine before I added all the extra fluid and it really helped..

    I am sorry about your awful luck with that camaro though, i have read all your posts about it and it always seems to be something. Just keep your head up man and dont let this car turn you away from the F bodies! I am sure your SS will be great if you end up with one

  9. #9
    I lika da Chevy's LETHALxLS1's Avatar
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    BLACK
    Z/28 LS1

    I got her fixed juiced!!! I actually got her fixed. It wasnt a big deal as far as what was wrong. I found a shop on a local forum that is really good on f bodies and has really fair prices. The guy was really cool and he actually works mainly on f bodies. He figured out that the problem causing a misfire in 3 cylinders on my car was due to 3 of my plugs being gapped too large. I would have never have guessed that was the problem because I had a local f body/vette speacialty shop(that I was going to) put new plugs in about 500 miles ago. This new shop is mainly a tranny shop and they rebuilt my tranny and did a awsome job as well. I also had a post about my car pinging as well as the terrible idle and what do ya know the new correctly gapped plugs fixed the pinging too! I am happy as hell now. I would never give up on Camaros man-this is like my 5th one but my first 4th gen. Thanks for the kind words bro-mike

    O I gotta tell you this while I am at it-My car had a tiny bit of piston slap when I bought it that went away in like 60 seconds after start up. It got really bad after a few months(right around the time I got the mis gapped plugs in) I just never made the connection cause the car didnt run all that bad. Now with the right gap on the plugs the slap at cold start lasts about 60 seconds and is barely noticable at all. All I can figure was the 3 cylinders misfiring caused even more slap. I am so damn happy man!! I was thinking about selling the car but I may not now.
    Last edited by LETHALxLS1; 08-05-2007 at 10:42 PM.

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    Slower Than a 3rd Gen juiced99ws6's Avatar
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    Mystic Teal
    99 Trans Am & 01 CBR 929

    I knew your detonation problem was fixed, I read that earlier today because I was researching my misfiring. I am glad that fixed everything for you man, that is really cool. I am hoping I just have nothing to worry about and my "misfire" is just from the cam, which im sure it is because it runs pretty good.

  11. #11
    I lika da Chevy's LETHALxLS1's Avatar
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    BLACK
    Z/28 LS1

    They put mine on a hand held code reader and it threw out the misfire codes. I thought the gm service place would have done that but they found it easier to rob me of 400 bucks for a injector flush. I plan on calling the GM service place I took my car to previously and telling them they screwed me. I probably wont get my money back but at least I can tell them they are crooks. All gm service had to do was put my car on a simple handheld and figured out the problem in 2 minutes. Instead they do an unness. flush then tell me my cat conv. are causing it. Idiots. Never again.

  12. #12
    Senior Member slims00ls1z28's Avatar
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    2005 GTO M6 Black
    2000 Z28 A4 Red

    Threaten to call the Better Business Bureau you'd be suprised how often that works. I've checked work done on several friends cars and each time I saw a discrepancy they threatened to call the BBB and either got a refund for the work done or like in one case refunded the whole labor total.

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