stock gear ratio

Discussion in 'Chassis / Drivetrain / Suspension / Wheels' started by Cutty1, Feb 12, 2009.

  1. Cutty1

    Cutty1 Master Mechanic

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    what gears did the 307 come with originally... cause i know i have 2.14 cause it had the V6 before the 307
     
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  2. SBCregal

    SBCregal Master Mechanic

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    the cars came with a few different ratios, best bet it to check out rpo codes
     
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  3. 85 Cutlass Brougham

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    most V6's had a 2.41 but some had a 3.23. Diesels have the 2.14 as well as some unfortunate gas V8's.


    BTW, as the SEARCH! Gestapo here, I will tell you that common RPO codes are listed in the How To section, including gear ratios. I should know because I put it there.
     
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  4. Cutty1

    Cutty1 Master Mechanic

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    another ? about gears

    if i were to switch from 2.14 or 3.23 i have TH350 and non computer controlled, so how does the tranny 's shift points change from the different gears
     
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  5. Blake442

    Blake442 Geezer

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    Your shift points will remain the same.

    The only part you'll need to change in your tranny is the speedometer gear.
     
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