Is this a 5.3 or 4.8

10 over your ls1 and use a 4" crank with correct pistons


4.8/5.3 is same setup. take to 3.9 bore and use 4" crank

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Originally Posted by Quik

10 over your ls1 and use a 4" crank with correct pistons


4.8/5.3 is same setup. take to 3.9 bore and use 4" crank

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I can pretty much fab anything so I'm not worried bout Anything, I'm just at a learning curve on the new tech stuff.lol My brain needs an upload with this LS stuff. I also have a 55 Chevy Sedan that has a 454 thats fuel injected, but I always wanted an LS1 in that baby. So I will cut my teeth on the 5.3 and maybe the Sedan will get that LS1 after all. I love the way that engine looks.

Also does any GM drive by wire pedal work or do I have to look for a certain year? Thats the only think I did not get with the engine

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Originally Posted by Quik

they had DBW before 03

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not on the trucks the pcm changed in 03 and that was the beggining of the ETB trucks

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Originally Posted by MidnightRider

not on the trucks the pcm changed in 03 and that was the beggining of the ETB trucks

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Well the throttle body is drive by wire and the pcm is 12200411 and upon a search they said its 2001-2002. Lets just call it a 2002 engine. It does not matter its going in a 50 plus year old truck.lol

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Originally Posted by MidnightRider

not on the trucks the pcm changed in 03 and that was the beggining of the ETB trucks

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he asked if they had DBW on the 5.3s before 03 and i replied back with they did in fact with the tahoes and burbans.

in the 411 pcms there is still provisions in the tune for ETC

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Originally Posted by MidnightRider

not on the trucks the pcm changed in 03 and that was the beggining of the ETB trucks

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Wrong...

Quik is right about this. DBW was on the Tahoes and Burbs with traction control. My 2001 C3 has it too, but it is a 6.0L.

To the OP, if you want to go with a cable throttle body, I am looking for one of the 00-02 DBW throttle bodies.

To stay with the DBW, you will need to have the TAC module from a pre-03 truck too. The 03-up one will not interchange.

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Originally Posted by PitchBlackC3

To stay with the DBW, you will need to have the TAC module from a pre-03 truck too. The 03-up one will not interchange.

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Yeah I have it I just need the pedal. I'm going to start looking for one.

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Originally Posted by Quik

they had DBW before 03

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01 with the 385HP Z06 corvette

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Originally Posted by clementeunknown

01 with the 385HP Z06 corvette

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LS vettes are DBW

Well got the engine mocked up