Ignition Advance Changing By Itself?

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Shadoobie
Posts: 113
Joined: Mon Mar 03, 2014 10:07 pm
Your car is a: 1979 Pininfarina Spider 2000

Ignition Advance Changing By Itself?

Post by Shadoobie »

I've been having a strange problem with the advance on my '79. For some reason the advance slowly increases the more I drive it. It stays that way even after I remove the vacuum advance too. I set the timing at 10 degrees with the vacuum advance disconnected 2 weeks ago, but I checked it today and it was over 25! I'm pretty confident that the distributor itself isn't moving since I have it really torqued down, so I'm at a loss. Somebody please help!
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RRoller123
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Posts: 8179
Joined: Sun Nov 13, 2011 2:04 pm
Your car is a: 1980 FI SPIDER 2000
Location: SAGAMORE BEACH, MA USA

Re: Ignition Advance Changing By Itself?

Post by RRoller123 »

Sticking, needs to be internally lubed?
'80 FI Spider 2000
'74 and '79 X1/9 (past)
'75 BMW R75/6
2011 Chevy Malibu (daily driver)
2010 Chevy Silverado 2500HD Ext Cab 4WD/STD BED
2002 Edgewater 175CC 80HP 4-Stroke Yamaha
2003 Jaguar XK8
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2019 Bianchi Torino Bicycle
samakijoe
Posts: 132
Joined: Wed Mar 15, 2017 9:56 pm
Your car is a: 1975 Fiat 124
Location: Original Washington (1776) NC

Re: Ignition Advance Changing By Itself?

Post by samakijoe »

Assuming it is OEM.. That distributor is about twice as old as you are. Just think if you have been spinning at 3000RPM for that long you would need a body transplant too. :roll: At a minimum I would convert it to electronic. Probably the bearings are ready for replacement too. If you intend to keep and enjoy the car for a while I would go with a replacement with something like a 123. (look up 123 dizzy here).
SAMAKIJOE
AKA GRANDPA GRUMPYPANTS
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