5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

View Poll Results: A poll

87

6

28.57%

88

0

0%

89

4

19.05%

90

0

0%

91

6

28.57%

92

5

23.81%

Voters: 21. You may not vote on this poll

Which octane types??

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Old

03-17-2005, 10:02 PM

#21

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RE: Which octane types??

I've never seen 88 or 90 octane anywhere.

You have no mods that will require you using anything but the lowest grade possible.

Stick with 87.

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Old

03-17-2005, 10:12 PM

#22

gt03trueblue

Join Date: Jan 2005

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Posts: 10

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RE: Which octane types??

Oklahoma City: 87=1.90 93=2.20

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Old

03-17-2005, 10:19 PM

#23

SShadowSSin

2nd Gear Member

Thread Starter

Join Date: Jan 2005

Location:

Posts: 176

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RE: Which octane types??

I put in a half a tank of 88 (Yes 88, from Chevron) to see how my car would react, but I have been in sick for the past 3 days, so I will try it out this weekend to see if it acts any differently.

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