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35's & 454, what gears again?

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by Speed-demon, Nov 21, 2001.

  1. Speed-demon

    Speed-demon Registered Member

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    35\'s & 454, what gears again?

    I have 2.73 gears 33's that are getting ditched for 35's
    a bitch'n 454 and rebuilt tranny. I putt the lift kit & tires on it and next thing I know, I blew the 350. Next thing tthat went was the tranny. lol.ha ha I think it's time for some new gears!
    I drive it on the hiway once in a while so I need to keep the rpm down as much as I can but, can you just amagine.....
    This Sucks! As soon as the bodyworks done I gotta change my gears. Does anyone have any sugestions what would work best? Old pops has a autowrecking shop for me to choose from.
     
  2. DesertDueler

    DesertDueler 1/2 ton status

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    Re: 35\'s & 454, what gears again?

    If you have a 700r4 you should go with 4.10s. With a 350 you go with 4.56s but on the freeway you will be turning to many rpms for the big block.

    86Jimmy 4"&35"MTRs,87 burb 4"&35"MT,69Firebird w/525 hp,and 70GTO live in PHX,AZ<a target="_blank" href=http://www.geocities.com/modifierperformance>My vehicles</a>
     
  3. 84_Chevy_K10

    84_Chevy_K10 Banned

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    Re: 35\'s & 454, what gears again?

    Keep the 2.73s. It'll be gutless but it'll get good mileage. [​IMG]

    I'd probably get 4.10 gears. With a BBC and no overdrive though, 3.73s are possibly an option, but you'd give up some performance.

    Tim
    '84 Chevy K10, lifted, loud, fast, and 3/4 ton axles
     
  4. Speed-demon

    Speed-demon Registered Member

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    Re: 35\'s & 454, what gears again?

    I'd probabley be happyer with 4:10's with 35's but I wonder what my rpm's would be on the hiway at a 120km/hr? I don't know.... I'll probably end up going with the 3:73's........In 4 low with the 208, it should be all right........
     
  5. JIM88K5

    JIM88K5 1/2 ton status

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    Re: 35\'s & 454, what gears again?

    Don't spend the money on gears for a tenbolt rear with
    454 ! Go 4.10's and 14 bolt rr &amp; pray for your 700r4 !-Jim

    88 5.7 5in lift 35"procomp at's
    700-208-456-3in exh w/flowlowder 10 bolts & some ORD stuff
     
  6. EDdaTREE

    EDdaTREE 1/2 ton status

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    Re: 35\'s & 454, what gears again?

    You want to keep a big-block in the lower RPM range where the torque is...keep this in mind.

    9/11/01..Never forget...Never forgive
     
  7. RedDwarf

    RedDwarf 1/2 ton status

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    Re: 35\'s & 454, what gears again?

    Big Block shouldn't care what gears are behind it. If you keep the 10 bolts, don't go any lower than 3.42
     
  8. DesertDueler

    DesertDueler 1/2 ton status

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    Re: 35\'s & 454, what gears again?

    Big blocks do care. Tey dont like being reved high and dont like high rpm cruises. Keep the rpms around 2,000 for cruising to keep it alive.

    86Jimmy 4"&35"MTRs,87 burb 4"&35"MT,69Firebird w/525 hp,and 70GTO live in PHX,AZ<a target="_blank" href=http://www.geocities.com/modifierperformance>My vehicles</a>
     
  9. RedDwarf

    RedDwarf 1/2 ton status

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    Re: 35\'s & 454, what gears again?

    Read my post again.
     
  10. Speed-demon

    Speed-demon Registered Member

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    Re: 35\'s & 454, what gears again?

    Hey thanks RedDwarf, I think that what I'm gonna end up doing. I think with all the botom end I have with the 454 It doesn't make that much of a differnce and it will make it a little tougher. And use the cheap ujoints, instead of the bullitproof ones, so that my axles might last
     

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