Consequences of retarded timing?
Thread Starter
Racer
Joined: Dec 2003
Posts: 349
Likes: 0
From: Hong Kong
Consequences of retarded timing?
After having a new distributor installed in my 91, mechanic set the timing to 6 deg atdc, instead of before.. (although he claims it was correct)
noticed the car was really sluggish and went to another shop and discovered their mistake.
what are the consequences of having run the car for a while with retarded timing, is there any risk of burning anything?
cheers
noticed the car was really sluggish and went to another shop and discovered their mistake.
what are the consequences of having run the car for a while with retarded timing, is there any risk of burning anything?
cheers
Melting Slicks
Joined: Nov 2008
Posts: 2,765
Likes: 5
After having a new distributor installed in my 91, mechanic set the timing to 6 deg atdc, instead of before.. (although he claims it was correct)
noticed the car was really sluggish and went to another shop and discovered their mistake.
what are the consequences of having run the car for a while with retarded timing, is there any risk of burning anything?
cheers
noticed the car was really sluggish and went to another shop and discovered their mistake.
what are the consequences of having run the car for a while with retarded timing, is there any risk of burning anything?
cheers
If the base ignition timing is set to 6 degrees before top dead center(6BTDC), and your Corvette drives fine now, I would not worry very much.
Drive Your Corvette and have Fun !
Thread Starter
Racer
Joined: Dec 2003
Posts: 349
Likes: 0
From: Hong Kong
thanks guys, was just worried about burnt valves or something like that because of the delayed combustion. the reason i was worried was that the idle has started to become a bit rough right before changing to the correct timing. perhaps a change of spark plugs...
Safety Car
Joined: Jan 2004
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It may be good to pull one to see if it is fouled.
Team Owner
Joined: Sep 2003
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From: Freedom is never more than one generation away from extinction.
St. Jude '03 thru '24
Safety Car
Joined: Jan 2004
Posts: 3,759
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Thats good timing below 6* won't cause damage. I noticed sometimes getting knock counts on acceleration. I found the EGR was bad and replaced it, and will have to see if that fixes it when I do my scans. If not, I was thinking of dropping the timing to 4* advanced to see what that did.
