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203

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by ftn96, Nov 17, 2001.

  1. ftn96

    ftn96 1/2 ton status

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    Can you run a 203 in 4loc hi with out the front driveshaft for a while without any damage? Like say for a couple hundred miles.

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  2. BorregoK5

    BorregoK5 1/2 ton status

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    I've been running on my front end in 4 Loc Hi for about a month now, around 300 miles. The np203 chain is either a hair louder than it was at first or I'm getting more sensative to the ticking sound off the line. With the rear driveshaft back in, it is back to quiet in 4 Loc Hi. Lets face it, some things were never meant to be chain driven, like airplanes and big 4x4's so I'd take it easy on it.

    I started with nothing and I still have most of that left! - <a target="_blank" href=http://www.echobit.com:81/k5/> Pictures</a>
     
  3. 76chevy

    76chevy 1/2 ton status

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    You will be fine. 203's are pretty tough units.

    I drove around like that with 33's on the back and 31's on the front for about 3 month's. It was the only time I've ever been able to squeal the tires.

    It is just like driving a two wheel drive exept the front output shaft turns even though it isn't hooked up to anything. I wouldn't go supper fast just to be safe.

    <font color=red>Spirit of 76</font color=red>
     
  4. EDdaTREE

    EDdaTREE 1/2 ton status

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    Been running my full-time 203 76' Blazer with lockouts for 2 years. I run 4 hi-loc and hubs unlocked on the street...or if I want full-time, 4 Hi and hubs locked if it's rainy or nasty. Gives all the same drive options of my 95' Grand Cherokee Selec-Trac case. I've never had any damage to a 203 runing this way.

    9/11/01..Never forget...Never forgive
     
  5. ftn96

    ftn96 1/2 ton status

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    Cool, thanks for the info. He'll be glad to hear it

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  6. K5Jimmy

    K5Jimmy 1/2 ton status

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    I once scattered a Ujoint in my 79....drove from Austin to Dallas in 4Loc and no rear shaft......pulling a boat.....then drove that way for about a week til I could get the shaft fixed......had a front wheel drive truck for a while.....sure wish I hadn't sold that truck.....

    Stuck?...Hell no..I still got some gas left..
     
  7. Grim-Reaper

    Grim-Reaper 3/4 ton status Author

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    You would be surpised at how many cars are "chain drive". I think the big old 455 front drive Toranodo's. Most SAAB. A lot of front drive cars Chain drive to the Diff that is sitting parrall to the tranny. Chain drive has been around a long time and can take a lot more torq than you ever imagined. It's hard to make a large gear run quiet. It's easier to make a chain run quiet. Ever see "Link belt" on the back of huge crains? That's really Chain drive just like a transfer case. Really it should be called link belt.

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  8. Blazer_Boy

    Blazer_Boy 1/2 ton status

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    My '68 Eldo has that gigantic chain. They basically took the transmission and split it in half. The hood is a mile long on the thing and there is tons of room behind the engine. The distributor is even up front. Its real easy to work on.

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  9. ftn96

    ftn96 1/2 ton status

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    Ok, so the "JIST" of the story is that with the front shaft out he'd be ok for while. But with new springs he shouldn't have to wait very long

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  10. EDdaTREE

    EDdaTREE 1/2 ton status

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    Actually...part of the jist of the story is...chain drive is used on tractor pulling trucks and mud-bog racers. Never DISCOUNT something unless you are really SURE!! I saw a guy actually rip an NP 205 in HALF running a strong big-block 2\weeks ago!

    9/11/01..Never forget...Never forgive
     
  11. Jason73K5

    Jason73K5 1/2 ton status

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    I have about 15,000 miles on mine that way. No problems.

    73K-5: TBI350/TH-400/NP-203/14FF/D44
    Topless, doorless and no tailgate!
    Fresno, CA
     

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