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manual trany swap

Discussion in 'The Garage' started by chebbykrawler, Jun 19, 2006.

  1. chebbykrawler

    chebbykrawler Registered Member

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    i have some questions about how to mount the master sylender to the firewall and have it line up with the pedal or does it not make a differance if its not complely lined up i kneed help tryin to get it done
     
  2. Jishory

    Jishory 1/2 ton status

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    what year is the truck, i forgot what year range but the later ones have dimples on the firewall where the holes should be to thread the bolts through for the master cylinder, and if you have the clutch pedal mounted in the stock place then everything should fit...
     
  3. u2slow

    u2slow 1/2 ton status

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    On my '84, the master fit right into the stock hole in the firewall for the cruise harness. Its right next to the main harness connector. All I had to do was drill the two holes for the studs which are attached to the 2 pedal support struts.
     
  4. lamberthkp

    lamberthkp SITFU Premium Member

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    i think 85 and up had the dimples for were the master cylinder goes mine did. should be at the edge of the fuze box
     
  5. NoSmog73

    NoSmog73 1/2 ton status

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    The MC needs to be in the right spot or it will leak at the push rod seal ..
    The red and green lines are from the Screw that is in the firewall holing on the fuse block plug the yellow is from the edge of the harness plug not the edge of the hole..

    [​IMG]
     
  6. BowtieBlazer

    BowtieBlazer 1/2 ton status

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    another aspect
    [​IMG]
     
  7. chebbykrawler

    chebbykrawler Registered Member

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    well its acctuly an 82 gmc jimmy, and no it dosent have the dimples in the firewall for the bolts, so am i just SOL and ill just have to measure twice and cut once. well any more help an mounting the pedals and master cylender would be appreciated.
     
  8. u2slow

    u2slow 1/2 ton status

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    Like I said.... remove the cruise harness. Stick the master in the hole. Mark the 2 holes to drill.

    The pedals bolt right in. It is little bit of work. The column needs to come out. I managed to do it with the booster in place.

    [​IMG]

    [​IMG]
     
  9. MattK

    MattK 1/2 ton status

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    great pics guys. do any of yall have pics of these pedal supports? i have yet to see any at the yards.
     
  10. RootBreaker

    RootBreaker 3/4 ton status Premium Member

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    that sure is perdy inside there :bow:

    nice and clean dash :wink1:
     
  11. NoSmog73

    NoSmog73 1/2 ton status

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    This is the best I have...They are rods that attach to the IIRC clutch pedal bolt and then have spacers on the other end to match with the firewall and in turn those are what the MC bolts to..So it all goes together..
    [​IMG][​IMG]
     
  12. blackblazer717

    blackblazer717 1/2 ton status

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    hummmm im gunna need some advise on this too, but in 88 they have dimples to drill out than your done with it so...
    nevermind
    LUKE
     
  13. Mudgod

    Mudgod Registered Member

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    I was outside doing my, came in and did a search and found this post. Thanks guys! great tech.
     

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