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35s, gears and a 305

Discussion in 'The Garage' started by firefighter184, May 6, 2003.

  1. firefighter184

    firefighter184 1/2 ton status

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    I DID search. Now here's a quick question. 85 Jimmy. 305 motor. 3:08 gears. If I go to 35's, will my baby even be able to climb hills, much less rocks? Remember, I can't buy and install my 3/4 ton /forums/images/graemlins/usaflag.gif axles until I get my X-mas bonus /forums/images/graemlins/mad.gif (4:56 gears then). Will it still be a fun summer for me with this proposed set-up?
     
  2. mudhog

    mudhog THEGAME Staff Member Super Moderator

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    with that setup it will be a dog /forums/images/graemlins/frown.gif 4:56's will make it much better /forums/images/graemlins/thumb.gif
     
  3. Don

    Don 1/2 ton status

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    305, 35"s, 3:08"s, and hill's? Might be stretch, but if You take it easy, it should do it, Within reason of course. /forums/images/graemlins/eek.gif
     
  4. Hossbaby50

    Hossbaby50 3/4 ton status

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    What trans are you running? I am running 35's with 4.56 gears, and wish I had went to 4.88's. I run a 700R4 trans though so I have OD. If I didn't have OD I would probably want 4.10's for highway RPM.

    If you think you want something larger then 35's (and even if you don't) you might want to try 4.88's if you have a 700R4.

    4.56's will be a hell of an improvment over 3.08's though.
     
  5. mudhog

    mudhog THEGAME Staff Member Super Moderator

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    [ QUOTE ]
    4.56's will be a hell of an improvement over 3.08's though

    [/ QUOTE ]
    hell going from 3:08's to 4:56's will make it feel like a whole new truck /forums/images/graemlins/thumb.gif /forums/images/graemlins/thumb.gif
     
  6. firefighter184

    firefighter184 1/2 ton status

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    I don't really mind a dog around town, but will she still climb rocks? I have nightmares about being out with a group and dying on an 18 inch ledge. /forums/images/graemlins/eek.gif
     
  7. Hossbaby50

    Hossbaby50 3/4 ton status

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    Ya, I went from 3.73's to 4.56's. Climbing steep grades is easy now. I used to have to keep momentum up to make it up passes with my foot trying to go threw the floorboard.

    After I got the 4.56's in I can make it up steep passes without problem, and still have pedal and power to spare. This is with 32's mind you.

    I noticed the difference between the 3.73's, but it wasn't as aparent as 3.08's to 4.56's will be.
     
  8. Hossbaby50

    Hossbaby50 3/4 ton status

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    What tranny and tcase are you running?
     
  9. firefighter184

    firefighter184 1/2 ton status

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    Can she do it with the 3:08s till Xmas?
     
  10. 84k5

    84k5 1/2 ton status

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    I would just wait and do it all at once. I have 305, 3.73 and 33s and its a dog. I can't imagine 3.08 and 35s.
     
  11. Bubba Ray Boudreaux

    Bubba Ray Boudreaux 1 ton status

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    He's got an '85 according to his profile so that should be a 700 and 208, right?
     
  12. firefighter184

    firefighter184 1/2 ton status

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    Maaaaaaaan! I know you are right. I just cry every time I see a K5 thats bigger than mine. Besides, the hills are calling my name and I just want to be able to climb 'em all. Where the hell is that damn Powerball ticket?
     
  13. Don

    Don 1/2 ton status

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    Do You have a winch? Might come in handy with a setup like this. /forums/images/graemlins/blush.gif
     
  14. Hossbaby50

    Hossbaby50 3/4 ton status

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    I read the bio in his profile, but never looked at the vehicle thing. So I didn't see the 85. If it is auto then yes, 700/208.

    With that setup I wouldn't expect to run in OD much at all. Even on the highway from lack of RPM. If you don't turn enough RPM you won't lock the converter up on the 700 and will fry the transmission.

    The 208 case will give you the added help in low range with 2.61:1 gear ratio, but I wouldn't expect it to crawl very well until you get more rearend gear. I would take it as easy as possible this summer wheeling until you get your gears. The 700 won't like the added RPM's necessary to climb things.

    Mine didn't crawl very well with 3.73's and 32's. I crawls alot better now with the 4.56's.

    Harley
     
  15. firefighter184

    firefighter184 1/2 ton status

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    Well, I guess thats it. Save until I got it all. Or maybe I do the 3/4 ton axles w/ 4:56s now, so I can still go up big hills, and lift and tires over the winter.
     
  16. Hossbaby50

    Hossbaby50 3/4 ton status

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    That is the way I did it. 3/4 ton first and then tires and then lift. (lift still pending)

    Your tranny will like you alot better if you do gears first. If you ran 35's and 3.08's you would be alot more likely to blow a trans and end up costing yourself an extra $1000 on a trans rebuild. I had to deal with the his Blazer is bigger then mine for a long time. Oh well, big deal. Mine had 3/4 tons and lockers so I knew in my own mind that mine was tougher or at least going to be tougher.

    Tonight I got my first real compliment on my truck from someone I didn't know. It felt good finally getting a compliment on my truck after all the time and work I have put into it.

    As it sits right now my truck is 3" lift, 3/4 tons, locked, 35's, blackout rims, trimmed fenders, etc. It took a long time to get it to where it is, but it is all worth it. Now it is paying off. I can't wait till I get home to AZ and get to install my winch bumper, winch, Rock Rod, and another 1" of lift.
     
  17. k5blaze7

    k5blaze7 Registered Member

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    i have a 78 with 350 .40 tci 350 turbo and gear to gear transfer case with 4.10 gears 31's wish i had lower gears still but thats just me cuz i wanna be able to climb my k5 top speed is 70 and rpms runnin around 4 grand and my truck kinda thinks about not climbin hills so i can see how 3.08's would do and id get ur axles now and wait on tires like u said that way u dont tear [censored] up trying to make it
     
  18. mudhog

    mudhog THEGAME Staff Member Super Moderator

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    [ QUOTE ]
    Well, I guess thats it. Save until I got it all. Or maybe I do the 3/4 ton axles w/ 4:56s now, so I can still go up big hills, and lift and tires over the winter.

    [/ QUOTE ]
    thats how i would do it /forums/images/graemlins/thumb.gif
     
  19. jekbrown

    jekbrown I am CK5 Premium Member GMOTM Winner Author

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    if your tranny has OD (700r4) then yeah, go 4.56s for 35s...

    j
     

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