CorvetteForum - Chevrolet Corvette Forum Discussion - C6 Scan & Tune

Tune Settings?

JetStreamButterfly — Mon, 18 May 2026 07:12:11 GMT

My car goes to the shop next month for heads/cam/intake (Stage 2 heads and cam).

2009 Z06.

RPM Limiter - 7200 rpms

Turn off Daytime Running Lights

Speed Limiter Off

Fan Control Settings to come on early to keep things at 185� F.

Anything else that needs to be turned off? Turned on? that I should inform my tuner at the shop?

I am just trying to cover all my bases here.

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OBD plug

romandian — Sun, 10 May 2026 04:37:40 GMT

im probably getting stupid: cannot get the (efilive) plug out of the socket.

its been there for years and i remember it having a kind of notch, so im pressing on it (blindly) as strongly as i can, but the plug does not move, not even a bit from side to side.

do i need to lift something with i screwdriver or whats the trick?

thanks

Tune question

04zjimc — Mon, 04 May 2026 23:53:52 GMT

So I got my car tuned and noticed under Operating system it said speed density. Is it actually tuned in speed density?

OEM or Haltech ecu....learning to tune

JKNAPP — Mon, 04 May 2026 01:58:06 GMT

I am wanting to start tuning/tweaking my own car...is there any advantages to an aftermarket ecu in the terms of "ease of tuning"?

Programing issue

C6CALLAWAY — Sun, 03 May 2026 02:52:41 GMT

Is there a reliable Callaway service department around the Chicago area?

LS3 best BSFC

TXFlyGuy — Sun, 03 May 2026 01:10:20 GMT

What would be considered an optimum BSFC for a mild LS3?

Mine comes in at .47 lbs / hp / hr.

I see some NHRA Racers tune for the mid .3's.

My primary concern is we run the engine at WOT much of the time. Do not want to fry the piston crowns.

What say you?