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bellhousing questions

This is a discussion on bellhousing questions within the Drivetrain forums, part of the LSx Technical Help Section category; So i bought a t56 today and i dont know if it was for a lt1 or ls1. so how ...

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    bellhousing questions

    So i bought a t56 today and i dont know if it was for a lt1 or ls1. so how would i tell if its for an ls1. Please help...

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    Senior Member mrr23's Avatar
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    dark bowling green
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    ls1 bellhousing is a full 360* with 8 bolt holes. the LT1 design will only have 6 bolt holes to bolt to the motor.

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    2004 HEAD/CAM CTS-V 9t8z28's Avatar
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    I am pretty sure the spline is different on the LS1 vs. LT1

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    what do u mean the spline?

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    2004 HEAD/CAM CTS-V 9t8z28's Avatar
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    Sorry. The input shaft. Its either a different length or a different spline count. I can't remember, I am sure someone else will chim in.

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    dang... i thought the only thing diff from lt1 to ls1 was the bellhousing. i hope it will work in my ls1.

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    Input spline on an Fcar T56 has always been the same 26T. The LT1 & LS1 inputs differ in length by approx. an inch( LS1 is longer) . The easiest way to tell them is the LT1 has a mount for an external slaxe & uses a fork for the release system. The LS1 has a concentric slave and no fork.

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    do u think u can get me some pics of what ur talkin about

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    2004 HEAD/CAM CTS-V 9t8z28's Avatar
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    I got this from Macks Transmissions
    T56 Input, 31T 9-1/4" Chevrolet LT1 1993-97 1386-585-005

    T56 Input Shaft T56 Input, 31T 10-3/4" Chevrolet LS11998-00 1386-585-010

    The LS1 shaft is 1/2" longer

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    can i use the shaft and yoke from my ls1 auto or do i need to get another?

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    2004 HEAD/CAM CTS-V 9t8z28's Avatar
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    Do you mean the driveshaft? Yes?

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    can i use the yoke out of the auto tranny?

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    Quote Originally Posted by brad22486 View Post
    can i use the yoke out of the auto tranny?
    You mean the input shaft?

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    yea i guess

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    2004 HEAD/CAM CTS-V 9t8z28's Avatar
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    Quote Originally Posted by brad22486 View Post
    yea i guess
    The input shaft is on the front of the transmission. The yoke is on the driveshaft, which you can reuse.

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    so does that mean i cant use the tranny in my ls1 or do i need to get a cluth and pressure plate for an lt1. give me all the info u got or can u change the imput shaft.

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    2004 HEAD/CAM CTS-V 9t8z28's Avatar
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    You can change the input shaft. Which tranny do you have?

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    i have a 6speed out of a 94 camaro.

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