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| Special Service Mustang Tech Any and all technical questions for SSP cars. |
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#1
10-19-2009, 08:40 PM
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I went through this same decision of 3.55's or 3.73's. I finally went with 3.73 with my 5-speed. There is only approximately 200 rpm difference on the freeway @ 70 mph. As for shifting a lot, you can just about skip 1st gear when leaving the line from a stop. I origanally had 3.08's and find that the 3.73's are easier to drive. I could just not drive this car smoothly from a stop with the 3.08's.
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Toshi '93 SSP '90 LX 'vert - Sold '87 LX hatch (parted out) '88 LX 'vert (should have never) '83 GL hatch (college car, long gone) 
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#2
10-19-2009, 08:42 PM
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I should add that I have never driven a Mustang w/3.55's. If I ever get a chance, I may like them better. Who knows? It's a tough decision.
__________________
Toshi '93 SSP '90 LX 'vert - Sold '87 LX hatch (parted out) '88 LX 'vert (should have never) '83 GL hatch (college car, long gone)
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#4
11-15-2009, 05:32 PM
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3.55's in my 90 Auto.Love them and was EASY to keep the speedo calibrated. Good out of the whole and not to high on the RPM's on the highway. I still averaged 18-20 MPG on the highway going to Birmingham this year.
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