Always have to be different...

[TangoBravo]

http://www.snowperformance.net water methane injection.....

[v7guy]

Mikes comment about the fbody tune is what I figured would happen. Plenty of guys are using the 5.3 in those cars without a manual. Around here you can pick up a 5.3 with harness and ecm for 750 give or take 200. It's a dirt cheap motor. My only concern would be the tranny holding up.

Mike, did the I6 trucks use the CAN system right from the beginning or did they switch over in 05/06?

[chevycrew]

I don't see the point in going backwards with technology, carb and propane is old school. Not my cup of tea.

For wiring and pcm stuff... Keep in mind I have a LS1 6 speed car to go off as well... And a very good engine tuner, he specializes in gm engines, harnesses, etc.

[dvanbramer88]

Keep in mind I have a LS1 6 speed car to go off as well...

F-Body or C5 Vette?

[bartonmd]

Mikes comment about the fbody tune is what I figured would happen. Plenty of guys are using the 5.3 in those cars without a manual. Around here you can pick up a 5.3 with harness and ecm for 750 give or take 200. It's a dirt cheap motor. My only concern would be the tranny holding up.

Mike, did the I6 trucks use the CAN system right from the beginning or did they switch over in 05/06?

No 5.3 in an F-body, but the 5.3L is the same engine/control family as the 5.7L LS-1 and all of the other LS engines.

Mike

[chevycrew]

My car is a 99 camaro ss 6 speed vert.

I basically need that engine control system.

Ill sit down in the next few weeks and study the wiring from the early I6 TBs and see what exactly its going to take to do the swap, it may incorporate the original pcm for some functions, and run the new for the V8.

[v7guy]

Mikes comment about the fbody tune is what I figured would happen. Plenty of guys are using the 5.3 in those cars without a manual. Around here you can pick up a 5.3 with harness and ecm for 750 give or take 200. It's a dirt cheap motor. My only concern would be the tranny holding up.

Mike, did the I6 trucks use the CAN system right from the beginning or did they switch over in 05/06?

No 5.3 in an F-body, but the 5.3L is the same engine/control family as the 5.7L LS-1 and all of the other LS engines.

Mike

It was suppose to read "plenty of guys are using the 5.3 in those cars with a manual" damn auto correct is killing me. Sorry, i wasn't clear.
You see a lot of guys swapping to 5.3s in the fbodys. Especially guys that had an LT1 or a V6 originally. Ever since that article where they boosted the 4.8 (they thought it was a 5.3) to well over a 1000 hp with stock internals guys have been eager to swap em in and boost em. Even without a turbo hangin off the end they make 4-500 with a head/intake/cam swap. My poorly made point was that the fbodys are using a manual behind the 5.3 with no issues.

[chevycrew]

The 4.8 trucks were available with a manual trans, there are no issues there. With wiring and the tunes, there are so many options in the ls series pcm.

[chevycrew]

So it looks like I'm shopping for a donor truck. I'm going to start watching the auctions for a wrecked V8 TB. This will give me almost everything for the swap, and some extras.

Since you know more on the wiring mike, would you pick up a 03-04, or a 05 and newer?

[bartonmd]

I know that the '06+ V8 TBs were CAN based (completely different wiring), vs. the early ones being VPW based. I know the '06 LWB V8 was CAN based, but I'm not sure about the '05.

Honestly, though, I'm not a really good source for the "this swaps to this and that swaps to that" info. There are a couple guys on GMTN who have researched every little thing about it. ScarabEpic22 is one of them.

Mike

[Trail X]

CAN was only a change with the communication standard (and wiring) between the computer and an OBD diagnostic tool, not between the computer and the engine/dash, right?

[bartonmd]

CAN was only a change with the communication standard (and wiring) between the computer and an OBD diagnostic tool, not between the computer and the engine/dash, right?

No. CAN is all over the car, including the radio. CAN is Car Area Network, and everything acts like computers on a network. Sensors on the engine, going to the computer, should be about the same; but everything in the vehicle is different. Instead of different wires for every function, it runs much less wires and has nodes on a network.

Mike

[Trail X]

Excuse my ignorance, but are you saying that the radio communicates with the PCM? Whatever for?

And to be exact, Wikipedia tells me CAN stands for "controller area network". The network can consist of everything from windows to airbags to ABS, but not all networks have to be connected to the common bus.

[bartonmd]

Excuse my ignorance, but are you saying that the radio communicates with the PCM? Whatever for?

And to be exact, Wikipedia tells me CAN stands for "controller area network". The network can consist of everything from windows to airbags to ABS, but not all networks have to be connected to the common bus.

Yeah, sorry... That's what we casually called it when I was in my Automotive Electronic Control class in college, and we were studying and playing with it before it came out ('03). Controller Area Network is the real name, especially since it's used places other than cars, now.

Yeah, they're more tied in than most people realize, but they're usually divided into a couple different ones. Usually, it's the Engine/powertain/ABS/cluster, then the HVAC/windows/locks/radio is usually on a different one. Sometimes the different networks talk to each other about some things, Onstar usually talks to everything, etc. The capability is there for everything to be on one network, including sending your music digically to a decoder/amp near the speakers, but I'm not sure how much of that gets done, in practice. I know the newer cars are more tied together than the '06-'08-era stuff, but I don't know how much. Regardless of exactly how tied in everything is on this particular platform, I wouldn't bet on being able to properly integrate a CAN-based engine/ECM without doing a bunch of re-wiring on a non-CAN vehicle. So in answer to your original question, it is most definitely not JUST how the OBDII scanner communicates with the PCM.

ETA: And it's not that the radio and PCM communicate with each other, really, it's just that they're on the same network. Same set of wires. Just like on a LAN, we can be on the same network, but my computer doesn't communicate with your computer, directly. Maybe we just both use the LAN for accessing a file server, but never share files computer to computer.

Mike

[JCrayton99]

And the CAN is why our alarm runs through the radio. Correct? Two systems that dont really go together, but utilize each other because of the network.

[bartonmd]

And the CAN is why our alarm runs through the radio. Correct? Two systems that dont really go together, but utilize each other because of the network.

Eh... Anything can do anything either way. It's just a question of how many wires it takes.

Mike

[HARDTRAILZ]

You CAN do it!

[fishsticks]

You CAN do it!

I see what you did there...