Transmission Ratios - Team Camaro Tech
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post #1 of 4 (permalink) Old Sep 10th, 02, 08:25 PM Thread Starter
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Join Date: Dec 2001
Location: The Mighty Midwest
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What is the Transmission ratio for stock trans from an 1985 Camaro RS? I have been looking for this info for a while and so far I can't seem to find it. Anybody know?
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post #2 of 4 (permalink) Old Sep 11th, 02, 01:41 AM Thread Starter
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The reason I ask this is because I soon will be upgrading my differential from an 8.02 open-end to a 3.73 limited slip. (As soon as I get th new engine in). I was looking at a formula that was given to me and was tying to do the math, but I can't because I dont know what my trans ratio is. Example: Travelling at 70mph x 3.73(gear ratio) x .67(transmission ratio) x 336 / 27" (Tire diameter from concrete to top of tire) = 2176 Rpm. In order for me to complete this for my car (a 1968 with a trans from an 1985) I need the trans ratio from the 85. If ANYBODY eithe has this info or knows where to find it, please post it here...Thanks

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Chasing a dream one bolt at a time
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post #3 of 4 (permalink) Old Sep 11th, 02, 05:27 AM Thread Starter
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Anybody?

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Chasing a dream one bolt at a time
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post #4 of 4 (permalink) Old Sep 11th, 02, 07:00 AM
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Robert
 
Join Date: Oct 2000
Location: Simpsonville, SC
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Do you know what trans you have? Here's a link for some popular automatics.
http://www.tciauto.com/tech_info/gear_ratios.htm

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Robert Johnson

'69 getting better every day... (every pay day)
350ci 700r4 3.55 posi A/C PS PDB
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