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    Transaxle Or CVT For Mid-Engined Ecotec
    #1
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    Hello all! I'm new to this forum and I'm having trouble with the search bar. I'm looking to build a Mid-Engined Ecotech powered sportscar. I love to look at sand rail designs because its very similar to what i'm doing (minus the immense suspension travel).

    I would like to stay with a manual transaxle if possible. But I'm also open to the CVT. You guys talk a lot here about the CVT but where do you buy them and how do you hook them up? Also, how much torque can they take?
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    Re: Transaxle Or CVT For Mid-Engined Ecotec
    #2
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    I dont know squat about CVT stuff but a Mendeola trans is a reasonably priced way to build a mid engine manual gearbox car.
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    Re: Transaxle Or CVT For Mid-Engined Ecotec
    #3
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    By sports car I'm going to assume a vehicle that will be licensed and used on the road so you'll want something stupid simple reliable. I'm a fan of CVTs' but they have their maintenance issues. It's going to be tough to beat a factory transmission for reliability. You didn't specify which Ecotec you had in mind, but an 06' or newer from a Cobalt with the 2.0L used a manual trans........
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    Re: Transaxle Or CVT For Mid-Engined Ecotec
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    Yes i was thinking about the ecotech from a cobalt! The only problem is that i hear the stock manual transmission for the cobalt has "grinding" issues So now i have to figure out either a similar engine (duratech, zetec, maybe a honda) with a better transmission OR a better transmission option for the ecotech.

    Sigh. Ofcourse GM had to make it hard
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    Re: Transaxle Or CVT For Mid-Engined Ecotec
    #5
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    There is an issue with stock axles breaking, but that's from wheel hopping. Usually it happens too fast for the driver to react while launching, but I've seen drivers do stupid stuff that caused it as well. If I had to guess I'd say that's where the grinding issues are coming from. The Cobalt has a no lift shift "feature" that will cause problems if the driver doesn't know what they are doing..........

    I just did a quick search on the grinding issue. I didn't see it listed, but I'd be willing to bet the people with grinding problems are using the wrong trans. fluid. The F23 from the non-SS Cobalt uses Dexron III. The F35 from the SS Cobalt uses a synthetic trans. fluid.

    There was an issue a few years ago where some of the dealership techs were using the wrong fluid after repairs and services. Seems like everyone would have gotten the bulletin by now.....
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    Re: Transaxle Or CVT For Mid-Engined Ecotec
    #6
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    just use a vw bus trans with an adapter plate cheep and reliable
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    Re: Transaxle Or CVT For Mid-Engined Ecotec
    #7
    The Wizard bdkw1's Avatar
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    Quote Originally Posted by Hi im JFK View Post
    just use a vw bus trans with an adapter plate cheep and reliable
    Cheep or reliable, pick one, you can't have both with an 091.........
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    Re: Transaxle Or CVT For Mid-Engined Ecotec
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    its for a 140hp ecotec haha what more do u need
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    Re: Transaxle Or CVT For Mid-Engined Ecotec
    #9
    Millenium Member nutz4sand's Avatar
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    Even at 140 hp its way more hp and torque than the bus tranny is made for. The ecotech can be nearly doubled in power pretty easy and decently cheaply too.

    Bus trannies that are stock will only live behind one thats driven gently with an ecotech.
    Now that NOBAMA has PROVEN he is the absolute WORST president in the history of history Jimmy Carter can thank him for stealing the dunce crown.

    Lets hope the next guy repeals NObama care along with the rest of the stupid crap this blight on our windshield has done.
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    Re: Transaxle Or CVT For Mid-Engined Ecotec
    #10
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    And dont forget NOT to use reverse. Unless its for the street. But a med built 091 can be had for half of a RPM and cvt setup.
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