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Performance rebuild kit

This is a discussion on Performance rebuild kit within the Automatic Transmission forums, part of the Drivetrain category; I was thinking of rebuilding my 4L60E and I found this performance rebuild kit by Monster Transmissions that is suppose ...

  1. #1
    Moderator 98TransAmWs-6's Avatar
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    Performance rebuild kit

    I was thinking of rebuilding my 4L60E and I found this performance rebuild kit by Monster Transmissions that is suppose to be good to 650 hp/600 tq. I know most are going to say send it out to get it done, well I want to do it myself. I am planning on doing this when I get a stall. My question is by going by the components is this a good kit or is there a better place to get a kit from? This is what it includes:

    Rear Heavy Duty 5 Pinion Planetary
    Front Heavy Duty 5 Pinion Planetary
    Chrome Transmission Pan with drain plug
    Paper Gaskets
    O-Rings
    Lip Seals
    (3) Molded Pistons
    Sealing Rings
    4L60E Corvette 2nd Gear Servo
    4L60E Super Servo 4th Gear Cover
    High Performance Steel Kit
    High Performance Clutch Kit
    4L60E Filter
    4L60E Wide High Performance Band
    Teflon Pump Bushing
    Delco Front Seal Retainer Clip
    4L60E Superior Shift Reprogramming Kit Hardened Pump Rings
    4L60E 13 Vane Rotor Gear
    4L60E 13 Vane Rotor Guide
    4L60E 13 Vane High Rev Kit
    Heavy Duty "Beast" Sun Shell
    Heavy Duty 29 Element Sprag
    Heavy Duty Wide Rear Sprag

    New Electronics Included

    1-2 Shift Solenoid
    2-3 Shift Solenoid
    Manifold Switch
    EPC Motor
    3-2 Solenoid
    PWM Solenoid
    TCC Solenoid with Harness
    1998 Trans Am WS6 - Phantom
    421 CI LQ9, Tick Performance Custom Cam, TFS 255cc LS3 heads, Kooks 2" LT headers, Kooks 3" True Duals w/ high flow cats, FTP 104 lid, Speed Density Tune, 4" silicon tube, LS6 VCT, FAST 102 Intake, NW 102 TB, Oil Catch Can, SLP Bilstein Shocks w/ Vogtland Springs, CTS-V 4-piston Calipers w/C6 Z06 rotors, Stainless Steel Brake Lines, R1 concepts premium rotors, Hawk HP+ brake pads, VFN WSQ Hood, C5-R timing chain, SLP oil pump, E85 tune, Walbro 450 fuel pump, Deatschwerkz 95# injectors, Breathless performance headlights, Frost Tune, !HVAC.
    (Coming Soon) BMR DSL, UMI TQ Arm
    421 LQ9 14.8:1 on E85 Build/

  2. #2
    Moderator 98TransAmWs-6's Avatar
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    Anyone know if Monster Transmissions is a reputable company as far as performance rebuild kits?

  3. #3
    Member 383ls6's Avatar
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    2002 z/28

    My trans just went out so I ordered this same kit for mine. If you read the reviews for them (monster trans) they arent that good but thats for complete trans. The kit should be here next week or so. I will let you know if the parts are junk lol

  4. #4
    Former Mopar Man 2002ssslp's Avatar
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    How much are they asking for the kit ? I do not know very much about this company but I do know there are better kits on the market. Do it right the first time and your trans should last over 100k
    My ride is a 2002 Camaro SS SLP #3296 with 30k, LTH, 3" Y, CME, Frost tune, K&N, ported TB, Blackwing lid, Bellows, MSD, Denso Iridium, and 85mm MAF, Bilsteins, Eibach springs, SLP strut brace, Adj. Panhard, TA Girdle, UMI, Pro 5.0, Nitto NT555
    My wife has a 2004 GTO with the rare SAP, 18" wheels, K&N Cold Air System, MSD, Ported TB, Frost tune, Denso Iridium, Flowmaster cat-back, 3200 Yank, 75k

  5. #5
    Moderator 98TransAmWs-6's Avatar
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    Quote Originally Posted by 2002ssslp View Post
    How much are they asking for the kit ? I do not know very much about this company but I do know there are better kits on the market. Do it right the first time and your trans should last over 100k
    When I last looked it was on sale for $800ish and it was suppose to support up to 650 horsepower. But I have since found a cheaper place to get kits that will support the same or more from: https://www.700r4l60e.com and I was thinking of getting this kit for $725 when I do my transmission rebuild:

    Supposedly it will hold 675 fwhp.

    "Front pump"
    Seal retainer
    Late design seal
    13-vane rotor with vanes, slide, rotor guide & pin assembly
    Trans-Go steel rings & priming spring (over 5,500 rpm)
    New replacement stator support with extra wide bushings installed
    TransGo .500 boost valve

    "Clutches, Steels And Pressure Plates"
    4 Borg-Warner reverse/input clutches .078
    4 Reverse/input "low drag" Turbulator steels .078
    1 Reverse waved steel (eliminates the belleville spring that tears up the inside of the drum)
    5 Borg-Warner forward clutches .070
    5 Forward steels .090
    2 Borg-Warner overrun clutches .078
    2 Overrun steels .091
    5 Borg-Warner low/reverse clutches .087
    5 Low/reverse "low drag" Turbulator steels .068
    9 Borg-Warner Hi-Energy 3-4 clutches .065
    5 3-4 steels Kolene .060
    3 3-4 Steels Kolene .076
    1 3-4 pressure plate top .128"
    1 3-4 pressure plate bottom .225"
    1 3-4 snap ring .062"

    Borg Warner dual cage 29 element design
    Beast sunshell or GM Heat treated sunshell
    Borg-Warner low/reverse roller assembly (late design)
    Vamac 3 lip rear seal
    Transtech paper & rubber (gasket) kit
    Transmission filter (OEM)
    Bushings (latest updates, including Teflon front pump & extension)
    Thrust washer kit
    Sealing ring kit
    HD Bearing kit (Timken)
    Borg-Warner Hi-Energy 2-4 band
    Trans-Go Performance Shift kit w/accumulation for nice part throttle shifts
    Modified second accumulator piston, with new "hardened" (RC52) pin, & seal with matching accumulator springs (allows for a smooth 1-2 part throttle shift)
    New aluminum 4th accumulator piston
    New oem 4th accumulator pin
    New Sonnax forward accumulator piston
    New steel molded rubber piston for 3-4
    HD steel sleeve, modified overrun piston, & modified steel molded rubber forward piston for the input drum

    But then there is also this next kit for $958 which is suppose to be good for 750 fwhp which might be more beneficial for my future plans:

    "Front pump"
    Seal retainer
    Late design seal
    13-vane rotor with 13-vane slide, vanes, rotor guide & pin assembly
    TransGo steel rings & priming spring for over 5,500 rpm WOT shifts
    New replacement stator support with extra wide bushing installed in the forward part of the stator and a teflon extra wide bushing installed in the rear of the stator


    "Clutches, Steels And Pressure Plates"
    4 Borg-Warner reverse/input clutches .078
    4 Reverse/input "low drag" Turbulator steels .078
    1 Reverse/input waved steel (eliminates the oem belleville spring that tears the inside of the drum up)
    5 Borg-Warner forward clutches .070
    5 Forward steels .091
    2 Borg-Warner overrun clutches .078
    2 Overrun steels .091
    5 Borg-Warner low/reverse clutches .087
    5 Low/reverse "low drag" Turbulator steels .068
    10 Borg-Warner Hi-Energy 3-4 clutches .065 ("Exclusive")
    9 3-4 steels Kolene .060
    1 3-4 top pressure plate .098"
    1 3-4 bottom pressure plate .106"
    1 3-4 snap ring .062"
    1 3-4 apply ring with 5 fingers .060"

    Sonnax Overrun 2-3 Shift Valve that will hold the overrun clutches on in D3, helps the WOT 2-3 shift in the "D" position
    Sonnax Reverse Abuse valve, plug and spring, helps the WOT 2-3 shift
    Borg Warner dual cage 29 element design
    Beast sunshell
    Borg-Warner low/reverse roller clutch assembly (late design)
    Vamac 3 lip rear seal
    Transtech paper & rubber (gasket) kit
    Transmission filter (OEM)
    Bushings (latest updates, including Teflon front pump & extension)
    Thrust washer kit
    Sealing ring kit
    HD Bearing kit (Timken)
    TransGo Performance Shift kit, with .500 boost valve and PWM eliminator valve
    Aluminum 3-4 piston
    HD steel sleeve, overrun piston, & "modified" steel forward piston for the input drum

    Alto Extra Wide Red or Carbon 2-4 band with re-enforced anchor supports
    Sonnax pinless fourth accumulator piston & special seals with matching accumulator spring
    Sonnax pinless forward accumulator piston & seals
    Modified second accumulator piston, new "hardened" (RC52) pin, & seal with matching accumulator springs (allows for a smooth 1-2 part throttle shift)
    Sonnax 2nd Gear "Super Hold" Servo uses cushion springs (18% more apply area than Corvette servo)
    Modified steel cover on 2nd apply servo to fix downshift clunks when in the "D" shifter position
    New TransGo separator plate with "hardened" corner plate (predrilled to match your setup)
    This kit requires that the reverse/input drum to be in perfect shape, or a new GM drum is a must.
    I recommend that you Cryo your output shaft for added durability

    I am not sure which to get, the main reason for wanting to support a lot of HP is down the road (about a couple years) I plan on building a 500+ ci stroker with monster torque and hp.
    Last edited by 98TransAmWs-6; 01-05-2013 at 09:28 PM.

  6. #6
    Moderator 35th-ANV-SS's Avatar
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    One thing I have learned is that words are cheap. Just because it states it is "supposed" to be good for XXX amount of TQ/HP does not mean it is. My T56 transmission failed at 12,000 miles on stock power. The 3-4 synchronizer keys busted.

    How much less expensive is it than other kits that you're able to find more results on?

  7. #7
    Moderator 98TransAmWs-6's Avatar
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    Quote Originally Posted by 35th-ANV-SS View Post
    One thing I have learned is that words are cheap. Just because it states it is "supposed" to be good for XXX amount of TQ/HP does not mean it is. My T56 transmission failed at 12,000 miles on stock power. The 3-4 synchronizer keys busted.

    How much less expensive is it than other kits that you're able to find more results on?
    About $100+ less expensive. I have read on tech of people using the kits from the link I supplied but no one so far using the monster trans kits. That is the problem, I am unsure of the quality from actual experience.

  8. #8
    Moderator 35th-ANV-SS's Avatar
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    Yeah, I was referring to the Monster kits, not the more recent link you posted. Just an FYI - since they are not a sponsor, I'll need to remove the link. Only because we DO have a sponsor here for automatic transmission; PerformaBuilt.

  9. #9
    Moderator 98TransAmWs-6's Avatar
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    Quote Originally Posted by 35th-ANV-SS View Post
    Yeah, I was referring to the Monster kits, not the more recent link you posted. Just an FYI - since they are not a sponsor, I'll need to remove the link. Only because we DO have a sponsor here for automatic transmission; PerformaBuilt.
    Oh sorry I thought since Performabuilt doesn't sell the kits but the whole trans it would be okay.
    Last edited by 98TransAmWs-6; 01-06-2013 at 07:02 PM.

  10. #10
    Moderator 35th-ANV-SS's Avatar
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    You might be right on that. I didn't know they didn't. Never looked at their site since I'm a manual

  11. #11
    Member 383ls6's Avatar
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    2002 z/28

    ok so i got the monster kit today. IMO all the parts a pretty good quality. they didnt specify the brand of clutches but mine came with kolene steels and red alto frictions. my stock trans already had the vette servo and beefy sunshell but everything else is an upgrade. found a reverse input housing on amazon for 60 bucks. was glad to see other than being worn out the band and reverse input housing was the only damage. here is a pic of the band. well worth the money IMO.

  12. #12
    Member 383ls6's Avatar
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    2002 z/28

    we will see how long it lasts with 520fwhp/500 fwtq lol

  13. #13
    Moderator 35th-ANV-SS's Avatar
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    02 35th LE Camaro SS

    I was reading reviews about Monster transmissions on another forum. Hopefully you have better luck than several other members did! Please keep us posted.

  14. #14
    Member 383ls6's Avatar
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    what kind of problems? the reviews i read were for complete transmissions and they were not good comments. I'm doing this trans myself and just used their parts so unless it's a parts failure it's on me. :-(

  15. #15
    Moderator 35th-ANV-SS's Avatar
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    I honestly don't recall specifics other than the members needing their transmission rebuilt after 500 miles. Then several other members chimed in complaining they had some issues too.

    I just Googled "Monster Transmission Reviews" and there were links to forums about them. You could dig a little deeper than I did to see if it was parts specific.

    I would assume a Monster Transmission as a complete kit would have Monster Transmission parts in it though

  16. #16
    Member 383ls6's Avatar
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    k got the trans in today and it shifts amazing. gotta put another 135 miles to break in the yank converter and everything should be good. i cant wait.

  17. #17
    Moderator 98TransAmWs-6's Avatar
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    Quote Originally Posted by 383ls6 View Post
    k got the trans in today and it shifts amazing. gotta put another 135 miles to break in the yank converter and everything should be good. i cant wait.
    Let me know how that goes. I am still trying to decide who to go with for my rebuilt. The decision lies between Monster and Pro Built Automatics.

  18. #18
    Member 383ls6's Avatar
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    2002 z/28

    the only thing the kit came with that couldve been better was a paper lined band. wish it was a kevlar band

  19. #19
    Moderator 98TransAmWs-6's Avatar
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    I think I am going to go with Pro Built Automatics. Anyone know where I can get a cryogenic input and output shaft, according to Dana there if I get either a 300M output shaft or a cryogenic one the Trans will be able to handle 800+ fwhp. I found a 300M shaft but it is $600 alone, which is only $300 less than the kit itself.

  20. #20
    Moderator 35th-ANV-SS's Avatar
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    I would think any reputable transmission shop would have that service available. I know RPM Transmissions, where I got my T56 built, offers that.

    PerformaBuilt may also offer it - they are a sponsor.

    You can just send in your existing input/output shaft in? Seems like that would be cheaper. Assuming it is not damaged.

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