F40 6 Speed Conversion Kit

F40 6 Speed Conversion Kit
F40 6 Speed Conversion Kit
F40 6 Speed Conversion Kit

F40 6 Speed Conversion Kit

12 reviews
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Axles
Regular price $1,799.99
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Description

6 speed conversion for your Cobalt/HHR! It is based on GM's F40 transmission, this conversion solves all of the F35 shortcomings with higher power capability & smoother shifting! The F40 transmission has 2 internal shafts instead of one, the gears are twice the size of the F35, and it has an additional over drive gear.

This kit will require all of the parts from the list, you will not be able to reuse any of your F35 parts, i.e. flywheel, clutch disc or aftermarket shifter. Do not be fooled by competitors kits, their kit requires you to purchase a clutch separately.

More Info

Includes:

  • Upgraded steel shift cables
  • 6 speed shifter assembly w/adapter bracket and shift knob/boot.
  • ZZP Billet aluminum transmission brackets (Top and Rear)
  • ZZP Intermediate "jack" shaft w/custom speed sensor tone ring (Saab trans only)
  • ZZP Billet speed sensor bracket (Saab trans only)
  • ZZP Speed sensor extension harness (Saab trans only)
  • Cast transmission bracket
  • Solid shift cable bracket (Replaces Saab dampened bracket)
  • OEM LDK flywheel, pressure plate, and clutch assembly
  • Flywheel bolts
  • Bolt pack for mounts
  • Optional: Driveshaft Shop stage 2 CV axle shaft(s)
  • Optional: new F40 "Regal" transmission
    How to order your F40 conversion kit:

    What engine do you have? This option determines what axle is included in the kit. (LNF has a larger outer spline than the LSJ)

    Transmission: This determines if you have a transmission already, which one you have if you do, so we can include the correct trans mounts with the kit.  

    Axle(s): You will need at least one shorter (driver side) axle to use the F40 transmission.  If you already have one, then this option removes any additional axles from the kit, or if you want just the required one, this allows you to add it, or if you want a matching pair of the upgraded Driveshaft Shop axles, you can add both sides.

     

    Requires Saab 9-3 ('07+ preferred for best performance gearing) or 2011-13 Regal 6 speed F40 transmission and PCM reprogramming to adjust for the new speed sensor.  It does fit pre-2007 Saab F40 but the gearing is not optimal.  The Regal transmission has poor gearing for drag or road course cars (wide gears, tall final drive), but can be useful for half mile racing.  Please don't ask if it will work with XX transmission.  It's designed for a Saab or 11-13 Regal trans as stated above and nothing else.

    These kits are built per order and can take up to a week to be packaged and shipped.

    Customer Reviews
    4.5 Based on 12 Reviews
    5 ★
    75% 
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    JL
    06/14/2022
    Juan L.
    United States

    F40 Swap

    The kit comes with most of the parts needed to complete the swap. The only thing missing in my opinion is the clutch alignment tool, I think it should come with the kit or at least make it an option. If anyone is looking to replace a broken F35 or upgrade this is the way to go, highly recommend.

    BF
    10/25/2021
    Brett F.
    Canada Canada

    F40 swap kit

    Kit comes with very poor instructions, luckily my buddy previously did a f40 swap on his base model he knew what to do without looking at them. All the parts come in nice little zzp bags etc... Kit is great and I imagine a lot of r&d went into it but for the price of $4k by the time it gets here to Canada you think there would be some sort of help to correct the speedo as its off going from f35 to f40 for obvious reasons. I reached out via email and asked for help to get the number to input into the hptuners, I was provided a number that inputted but the speedo was still off. I sent back an email saying it's still off I'm doing 'X' speed on the GPS my speedo is doing 'X'. The response back was "Those numbers are straight from Matt. So I'm not sure what to tell you man. Why don't you do some remote tuning with him and he can dial it in for you." Kinda unfortunate, ended up going to someone in the SS gang community and he helped me figure out the number, it's actually a pretty easy formula to figure out!

    ZZPerformance F40 6 Speed Conversion Kit ReviewZZPerformance F40 6 Speed Conversion Kit ReviewZZPerformance F40 6 Speed Conversion Kit Review
    NJ
    01/02/2021
    Norbel J.
    United States United States

    Good product but a little to expensive.

    This kit its more expensive than what our car its worth it(little expensive),if you love your car or its a project one those are a good product but needs to have more information about installation. You have to figure out which bolt goes to where, and a very important one, (clutch wires). But a smart one will figure out before ZZP reach you with an answer.

    GJ
    10/09/2020
    Greg J.
    Canada Canada

    F40 swap kit

    Was shipped a defective half shaft with the reluctor wheel in the wrong location. No response from zzp customer service regarding this issue until I was advised to direct it to a person's email at zzp. The outcome of the part was some reimbursement which only covered half the cost to have the part fixed. The other outcome was to remove the part making the car non drivable for weeks to have them correct the part. No instructions included with the kit. Had to get these from another source. The instructions are outdated as the parts in the pictures aren't the same as sold in the kit. On several descriptions they use "use the hardware provided" but all hardware was put all in 1 bag for the whole kit. Ended up mocking up the kit on the bench and guessing the placement of the hardware. Other then that the kit is installed and is working. For the price this should be put togther better.

    BJ
    06/01/2020
    Brandon J.

    F40 swap

    Everything is really smooth the kit is well put together and definitely worth the price only thing that isn’t included is a few bolts for the top transmission mount but those are easily found at a local hardware store. Kit bolted up pretty easy with very little modifications and if you are like me and have the ldk swap it makes installing the kit a little bit easier. Honestly I wish the lnf cobalts came with this transmission because of how much smoother and easier it is my car has every bolt on but 3 bar map sensors and it drives like a stock car. My car is pretty low and I used a trans mount spacer and I installed steering rack spacers and I can’t hear any creeks or binds that some people say they have experienced. I also have the upgraded mounts from zzp which make the transmission feel great ( I am used to poly mounts I don’t care about the added vibrations). If you are debating building an f35 trans or buying this kit without a doubt I would invest in this kit if you like your car and plan on keeping it long term. I haven’t installed it yet but I feel with the short shift mod the shifter will feel perfect it’s very smooth and has a pretty decent weight to it. Only recommendation is have time and patience when installing this kit and stay organized and it will go pretty smooth for the install.

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