LTX and LSX Putting LT1s, LS1s, and their variants into Third Gens is becoming more popular. This board is for those who are doing and have done the swaps so they can discuss all of their technical aspects including repairs, swap info, and performance upgrades.

Difference between the LT1 and LS1 T56 crossmember?

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Old Dec 1, 2009 | 12:27 AM
  #1  
ZONES89RS's Avatar
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From: Hou. TX
Car: 86 TA, 91 B4C
Engine: 5.3, 4.8
Transmission: 4L80 4000, T56
Axle/Gears: 4.30 M12, 23.42 10 bolt
Difference between the LT1 and LS1 T56 crossmember?

I have had no hits to sell my LT1 T56 swap crossmember, so i am wondering if i might be able to just slot it a but to use it on the LS1 T56. If i had the motor and trans i would just try it but i have nothing yet.

Z
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Old Dec 1, 2009 | 09:10 AM
  #2  
Pocket's Avatar
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From: NC
Car: 91 Trans Am
Re: Difference between the LT1 and LS1 T56 crossmember?

Keep it and try it when you put the new engine in

If it doesnt work, sell it. Noone is buying with christmas around the corner
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Old Dec 1, 2009 | 11:56 AM
  #3  
cam-'s Avatar
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From: In the Garage
Car: Camaro
Engine: 6.2L
Transmission: T56
Re: Difference between the LT1 and LS1 T56 crossmember?

Its only 1/2 difference I used my previous LT1 t56 cross member on my LS1 m6 swap easily. Save your dough and put it towards sopmething else its easy to mod the LT1 t56 c mem to work. A big washer and a round file and your set
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Old Dec 1, 2009 | 04:04 PM
  #4  
ZONES89RS's Avatar
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Joined: Dec 2006
Posts: 5,538
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From: Hou. TX
Car: 86 TA, 91 B4C
Engine: 5.3, 4.8
Transmission: 4L80 4000, T56
Axle/Gears: 4.30 M12, 23.42 10 bolt
Re: Difference between the LT1 and LS1 T56 crossmember?

That is what i wanted to hear, thanks guys, i didnt think it would be much.

Z
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