Timing ? for 1967 Mustang

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DRIVINGLESSON

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Jan 11, 2003

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Aug 7, 2004

#1

• Aug 7, 2004

• #1

I was just wondering what you guy's are setting your timing at on the older mustangs? I am trying to help out my grandfather with a engine swap, and wanted to know how to beat the pinging. Also, what octane of gas are you running. I think it's a combination of low octane fuel and timing. Thanks for any help.

Sam

 

68GEETEE

5 Year Member

Nov 21, 2003

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Aug 7, 2004

#2

• Aug 7, 2004

• #2

usually you want to set your timing so that the total advance doesnt go over 40. If you have a stock distributor, there are plates underneath that have values attached, and they can be reversed as needed to curve the distributor to get the desired timing. You may not have to go thru all that, you may just need to retard your timing a bit to get the ping to stop. My '68 302 w/stock ignition is set at 10 degrees initial timing and at 3500 rpm it gets to 40 degrees total advance. I also use 93 octane and almost never get a ping.


http://www.gofastforless.com/ignition/advance.htm

http://www.fordmuscle.com/archives/2000/03/timing/index.shtml

 

D

D.Hearne

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Sep 29, 2000

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Aug 7, 2004

#3

• Aug 7, 2004

• #3

If the motor's got a stock cam, then you'll need to retard the timing to around 6-8 degrees initial and/or use a better grade of gas ( 91-93 octane premium) to fix the pinging. With a larger cam profile, you could get away with cheaper gas, due to more valve overlap to reduce the dynamic compression ratio

 

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Ozsum2

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Jul 28, 2004

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#4

• Aug 7, 2004

• #4

I run 12 with the highest octain I can get.

 

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D.Hearne

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#5

• Aug 7, 2004

• #5

Ozsum2 said:

I run 12 with the highest octain I can get.

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How's the weather up in Leadville ? Sure do miss the place. Many fond memories of Halfmoon campground. Some of my Mom's ashes are scatered there.

 

one2gamble

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Feb 27, 2001

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Aug 7, 2004

#6

• Aug 7, 2004

• #6

I was at 10 last time I checked running 91

 

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Ozsum2

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#7

• Aug 8, 2004

• #7

D.Hearne said:

How's the weather up in Leadville ? Sure do miss the place. Many fond memories of Halfmoon campground. Some of my Mom's ashes are scatered there.

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Hey...........I didn't relaize you had roots here. We ended up about 1/2 mile from Sugar Loafin Campground. Things are great. Afternoon rain. Boom days going on now.

 

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DRIVINGLESSON

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#8

• Aug 8, 2004

• #8

thanks for all the help guys, I will let you know how it turns out.

 

D

D.Hearne

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#9

• Aug 8, 2004

• #9

Ozsum2 said:

Hey...........I didn't relaize you had roots here. We ended up about 1/2 mile from Sugar Loafin Campground. Things are great. Afternoon rain. Boom days going on now.

Click to expand...

Don't really have roots there, just spent a few weeks here and there in the area on vacation, and passin thru back in the 80's when I had my own truck. Love it up there.