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VECI Label for 92 RS Camaro Auto Trans 305 V8 5.0 L TBI

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Old Jul 16, 2025 | 01:08 PM
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VECI Label for 92 RS Camaro Auto Trans 305 V8 5.0 L TBI

Does anyone have a picture (or can take a picture) of their VECI label for this model and engine? (I do not have spiral headers; just regular stock headers.) I'm mainly looking for the correct base timing because I'm hearing and reading conflicting information - 0 degrees, 6 degrees BTDC, and 9 degrees BTDC. My hood is after market so my sticker is not available.

Right now, the car is set to 0 and I adjusted it because it was at 9, but it ran at a really high idle. Now every so often, it seems like my car will stall out on me, once even while driving, so something isn't quite right obviously.

Thanks!
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Old Jul 16, 2025 | 01:26 PM
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From: Mile High Country !!!
Car: 1967 Camaro, 91 z28
Engine: Lb9
Transmission: M20
Axle/Gears: J65 pbr on stock posi 10bolt
Re: VECI Label for 92 RS Camaro Auto Trans 305 V8 5.0 L TBI

Tbi is set to tdc with est disconnected, any error codes stored for Vss or anything else?
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Old Jul 16, 2025 | 02:01 PM
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Re: VECI Label for 92 RS Camaro Auto Trans 305 V8 5.0 L TBI

TDC meaning 0 degrees with EST disconnected?

That's where I have it now. I did forget to mention that I messed with the throttle body idle set screw when trying to troubleshoot. I have no idea where the factory setting was, so that may be my issue. I have no service codes or engine lights coming on.
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Old Jul 16, 2025 | 02:03 PM
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From: Mile High Country !!!
Car: 1967 Camaro, 91 z28
Engine: Lb9
Transmission: M20
Axle/Gears: J65 pbr on stock posi 10bolt
Re: VECI Label for 92 RS Camaro Auto Trans 305 V8 5.0 L TBI

Might reset the minimum idle speed with iac commanded in.yes tdc is zero
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Old Jul 16, 2025 | 02:11 PM
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Re: VECI Label for 92 RS Camaro Auto Trans 305 V8 5.0 L TBI

I already did that - I've replaced a lot of things, including the ECM, and this is only the third time I've had it out on the road since then, so maybe the ECM is still learning. Seems like I can give it a decent amount of gas/RPMs, and immediately and quickly let off the gas and the car will go down to about 500 RPMs and try to catch itself from stalling out for about a half a second, and then will level out at about 700-750 RPMs, according to my tach. With it just in park, idling, it idles around 700-750.
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Old Jul 16, 2025 | 02:14 PM
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From: Franklin, KY near Beech Bend Raceway, Corvette Plant and Museum.
Car: 1992 Pontiac Firebird
Engine: 5.0L L03 TBI
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Re: VECI Label for 92 RS Camaro Auto Trans 305 V8 5.0 L TBI

The base timing spec is 0 degrees.

EDIT: I missed the other replies. I went to take a leak.
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