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  • October 24, 2018, 12:58:04 AM

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Author Topic: setting timing  (Read 1016 times)

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Offline rommel1940

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setting timing
« on: December 25, 2015, 02:03:13 PM »
What is the recommended spark degree on a stock 84 amc eagle, and also will the big cap upgrade with new h.o coil benefit from a different spark degree? Car is running pretty good at the moment but I did the timing by ear and I got a new timing light for Christmas so I want to make it perfect . Thanks
1984 Eagle Limited

Offline carnuck

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Re: setting timing
« Reply #1 on: January 06, 2016, 12:57:09 AM »
It really depends on the fuel and altitude as well as engine condition. Higher altitude (3000ft+ I think) likes more advance to make power without pinging because not as much air gets into the motor.
AMC/Jeep gauges are for amusement only. Any correlation between them and reality is purely coincidental!

Offline JayRamb

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Re: setting timing
« Reply #2 on: January 06, 2016, 03:19:57 PM »
I set my timing at 8 degree's up. Sometimes I still get a little ping when I stomp on it.
Jayson H.
Best HWY Mileage of 87 Eagle:  26.2 MPG

Believer in AMSOIL & Seafoam
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1967 Rambler Rebel 4 Door 290 V8 (original family car) Marina Aqua 142K miles
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Offline carnuck

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Re: setting timing
« Reply #3 on: January 07, 2016, 01:25:48 AM »
The NGK 2288 plugs are colder by 2 ranges from the stock ones so they draw heat out of the combustion chamber to make less ping.
AMC/Jeep gauges are for amusement only. Any correlation between them and reality is purely coincidental!