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Old Jan 4, 2022 | 08:21 AM
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Default Timing Light?

Late last summer I bought an Innova 3568 timing light to use on our C3. That car is now sold, leaving me with two questions:

1. Will that light function on our 2015 Z51?

2. Is there any reason I'd even want to consider adjusting or otherwise messing with the timing on the C7?

TIA,
Larry



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Old Jan 4, 2022 | 08:36 AM
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Originally Posted by Catfish4818
Late last summer I bought an Innova 3568 timing light to use on our C3. That car is now sold, leaving me with two questions:

1. Will that light function on our 2015 Z51?

2. Is there any reason I'd even want to consider adjusting or otherwise messing with the timing on the C7?

TIA,
Larry
I wouldn't. There's a lot to be said for 'if it ain't broke, don't fix it'.
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Old Jan 4, 2022 | 08:49 AM
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So, where would the carb [ edit: distributor is the correct item] be that you need to turn to adjust the timing be located on our cars? Timing is set in a "table" in the ECM. Your timing light would make a great paper weight or in a trophy case as a relic?

HNY!

Elmer

Last edited by eboggs_jkvl; Jan 4, 2022 at 10:37 AM.
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Old Jan 4, 2022 | 08:51 AM
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Originally Posted by eboggs_jkvl
So, where would the carb be that you need to turn to adjust the timing be located on our cars? Timing is set in a "table" in the ECM. Your timing light would make a great paper weight or in a trophy case as a relic?

HNY!

Elmer
Good point.
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Old Jan 4, 2022 | 08:55 AM
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I always thought that you turned the distributor to change timing
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Old Jan 4, 2022 | 08:57 AM
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Originally Posted by raisinjack
I always thought that you turned the distributor to change timing

You do.
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Old Jan 4, 2022 | 09:13 AM
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Originally Posted by raisinjack
I always thought that you turned the distributor to change timing
Traditionally you do, however kinda to eboggs point, C7 has a coil pack.
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Old Jan 4, 2022 | 09:21 AM
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haven't used any of my three timing lights since I sold my 73 Vette in 2009. Don't miss using them. I'll let the ECM take care of the timing and all the other functions related to the engine. No plans on doing a 'tune' on any of my vehicles.
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Old Jan 4, 2022 | 09:32 AM
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Looks like I've found my next item to put on ebay. Thx, guys!
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Old Jan 4, 2022 | 10:21 AM
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Originally Posted by Kevin A Jones
Traditionally you do, however kinda to eboggs point, C7 has a coil pack.
this is the statement I was referring to

"So, where would the carb be that you need to turn to adjust the timing be located on our cars?"

I kind of figured he meant distributor instead of carb. no big deal all good.
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Old Jan 4, 2022 | 10:36 AM
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Ya got me that time. Yup, distrib to set timing.... and points... and weights... and springs... Carb messed with jets and idle and junk like that...

Elmer
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Old Jan 4, 2022 | 10:42 AM
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Originally Posted by eboggs_jkvl
Ya got me that time. Yup, distrib to set timing.... and points... and weights... and springs... Carb messed with jets and idle and junk like that...

Elmer
ahh, the GOOD ol' days timing lights and vacuum gages!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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Old Jan 4, 2022 | 10:48 AM
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^^^

Ha ha. Ya in my older previous cars vacuum lines were always a problem.
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Old Jan 4, 2022 | 10:57 AM
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Originally Posted by eboggs_jkvl
Ya got me that time. Yup, distrib to set timing.... and points... and weights... and springs... Carb messed with jets and idle and junk like that...

Elmer
BTDT.

Where in Jax do you live? I'm on Amelia Island.

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Old Jan 4, 2022 | 12:36 PM
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Thankfully the newer vehicles do not have a need to use a timing light - as with many things computers take over and run the show.
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Old Jan 4, 2022 | 12:48 PM
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Originally Posted by raisinjack
this is the statement I was referring to

"So, where would the carb be that you need to turn to adjust the timing be located on our cars?"

I kind of figured he meant distributor instead of carb. no big deal all good.
Yep, distributors and carburetors, fine tuning timing, adjusting carbs, points etc things of the past. That's one reason I like the C2s so much, is you can still play around with them.
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Old Jan 4, 2022 | 01:43 PM
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Originally Posted by Steve_R
BTDT.

Where in Jax do you live? I'm on Amelia Island.

Mandarin, off Hood Landing Rd. Florida native since 1990.


Elmer
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Old Jan 5, 2022 | 12:02 AM
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Timing guns. Oh the memories. My first car was a 79 New Yorker. I fiddled with the timing always, never did get it right. POS Chrysler Electronic Spark Control. Luckily moved to mid 80's GM cars after with fuel injection and didn't need that god awful timing gun much anymore. A whole new set of issues with mid 80s GMs, but hey, no more timing guns
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Old Jan 5, 2022 | 07:56 AM
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Originally Posted by raisinjack
ahh, the GOOD ol' days timing lights and vacuum gages!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Don't forget the Dwell meter for a really good point gap setting!!!!
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Old Jan 5, 2022 | 09:53 AM
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Originally Posted by Tinkertech
Don't forget the Dwell meter for a really good point gap setting!!!!

I still have these in the bottom drawer of my tool box, I wonder if I will ever use them again?

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