Camaro LT5

[Stielow]

Working on cleaning up the wiring on the LT5 crate harness. The LT5 uses 2 ECMs.

Lots of wires







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[F'in mine]

Originally Posted by Stielow

Working on cleaning up the wiring on the LT5 crate harness. The LT5 uses 2 ECMs.
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I guess the 2nd ECM triggers the other new port injection system. How are they activated, engine rpm?

[WSSix]

That's what I'm wondering, too, Simon. I didn't realize these engines had two ECU's

[Stielow]

Originally Posted by F'in mine

I guess the 2nd ECM triggers the other new port injection system. How are they activated, engine rpm?

The 2nd ECM S53 is basically a slave ECM that drives the 8 extra Port Fuel Injectors. It is controlled by CAN messaging from the primary E99 ECM. The engine calibration lives in the E99 ECM.

This is needed because a LT5 has 8 Direct Injectors and 8 PFI injectors.

HP Tuners has cracked into the ECM so now you can tune it.




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[Stielow]

More progress at the Dutchboys


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[Stielow]

We got the emblems back from Advanced Plating. Nice parts!


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[69hugger]

Originally Posted by Stielow

We got the emblems back from Advanced Plating. Nice parts!


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Question for you...Are these stock emblems you simply had chromed, or were they custom made in a different size or font?
I ask because just yesterday I contacted a custom emblem manufacturer about having some valve cover medallions made with "LS-3" engraved on them. I was told LS-3 is GM trademarked, and they were asked not to reproduce it. I was shocked.

[Stielow]

Originally Posted by 69hugger

Question for you...Are these stock emblems you simply had chromed, or were they custom made in a different size or font?
I ask because just yesterday I contacted a custom emblem manufacturer about having some valve cover medallions made with "LS-3" engraved on them. I was told LS-3 is GM trademarked, and they were asked not to reproduce it. I was shocked.

We made them one off. Not sure if LS3 is copy righted or not. We just did it.


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[69hugger]

Thanks Mark. I guess I need to find a "renegade" CNC guy. Any ideas where I can get a couple 3" x 1-5/8" CNC machined medallions made would be appreciated.

[BDAZSVT]

Originally Posted by 69hugger

Thanks Mark. I guess I need to find a "renegade" CNC guy. Any ideas where I can get a couple 3" x 1-5/8" CNC machined medallions made would be appreciated.

You might try Joel at https://www.jccustomscnc.com/