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03 5-Speed Chevrolet?

Discussion in 'The Garage' started by CHEVY 4WD, Apr 10, 2003.

  1. CHEVY 4WD

    CHEVY 4WD 1/2 ton status

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    I got thinking today(which might not be a good thing)
    If a 700R4 isent strong enough you usually run a TH350 or 400 But what if you really need OD? I though 4speed but still thereno OD, so then I started looken at stuff and I now know that 03 1500 4x4's have a 5speed but is it a OD tranny and how hard would it be to put into a old style Chevrolet with a 208? If anyone knows anything even the name of that tranny I would really like to know. /forums/images/graemlins/1zhelp.gif
     
  2. zakk

    zakk 1/2 ton status

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    you mean the Allison transmission?
     
  3. sled_dog

    sled_dog 1 ton status

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    well its electronically controlled so good luck figuring that setup out without the engine and everything else.
     
  4. BigOrange90Jimmy

    BigOrange90Jimmy 1/2 ton status Premium Member

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    The 700 can be built to handle some serious power. I've been told somewhere around 500 HP and 600 ft. lbs. It would be cheaper to beef the 700 than to buy a new Alison tranny, which is a 5 speed auto. The Alison tranny alone would be about $1500-2000. Stand alone controllers are available for the Alison trannies I think, so it all depends on how deep your pockets are.
     
  5. CHEVY 4WD

    CHEVY 4WD 1/2 ton status

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    Not the alison the 5speed MANUAL
    How is a manual electronicaly controled?
    And how do you beef a 700R4?
     
  6. BigOrange90Jimmy

    BigOrange90Jimmy 1/2 ton status Premium Member

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    Oh, didn't know you were referring to a straight drive. I figured that since you were talking about automatics, that you were referring to the 5 speed auto in 2500-3500 series trucks. I know nothing about the 5 speed manual. What I do know is that you can only get a 5 speed in the 1500 series trucks and that it has the small V8 or V6 in front of it. Not really much of a gain in strength if you ask me. Now if you were talking about the 6 speed manuals from the 2500 or 3500 series, then you'd have some beef.

    You can beef a 700 by putting in heavy duty clutches, corvette servo, changing the planetary set out for a stronger set, bigger cooler, blah blah. There's more tricks than these, but I'm no tranny guy, so I couldn't tell you what the secrets are.

    If you are really wanting a stronger straight drive, consider an NV4500 from early (post 91) Chevy trucks and some older and later model Dodge's.
     
  7. bowtiepower00

    bowtiepower00 1/2 ton status

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    Some half tons are available with the NV3500 or 3550 5-speed, while the 2500's with the 6.0 come with an NV4500. The 8.1's and Duramaxes come with a ZF 6-speed similar to the one in the Furds.
     
  8. 90K5

    90K5 1/2 ton status

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    the allison is an automatic....in addition to the standalone controller you will probably need to hack up your floor for it to fit
     
  9. rick88blaze

    rick88blaze 1/2 ton status

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    i'm getting my 700r4 rebuilt next week. it's going to cost about $1300 - $1400. but the owner of the shop said that it will easily take 400 hp. just check around at your local shops. i try to stay away from the chain store shops, like aamco. the mom and pop shops are the best ones to go to in my opinion. the shop i'm going with here has been in business for 40 years now. and i talked to the owner, and he showed what parts and upgrades that they will put in my tranny.
     
  10. fortcollinsram

    fortcollinsram 1/2 ton status

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    If you want a new OD tranny that is beefier than a 700r4 look at the 4l80e...it is an elecronically controlled 4-speed OD auto...you can get a stand-alone PCM for it from around $600 i believe...If you want a 5-speed manual you'd be talkking about the NV3500 or the NV4500 both 5-speed the NV4500 being the beefire of the 2...You know what I found out today? the tranny lube for the 4500 is $20 a quart /forums/images/graemlins/eek.gif /forums/images/graemlins/eek.gifif you use regualr gear oil,you will smoke it b/c the roller bearings have plastic cages...oh well, there is always a trade off...

    Chris
     
  11. sled_dog

    sled_dog 1 ton status

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    I say go the NV4500 route. Its what I want I know. THe NV3550 is weak, my buddy grenaded one with an almost 100% stock 350 and 35" tires.
     
  12. CHEVY 4WD

    CHEVY 4WD 1/2 ton status

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    are those NV's OD? whats the ratio?
    And will they bolt up to a 208?
     
  13. sled_dog

    sled_dog 1 ton status

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    your not gonna find a 5 speed that will hjust bolt up to a 208. I am almost 100% of that. The Nv4500 is od(I donm't know any 5 speed manuals taht aren't) and it has a 5.6:1 first gear I believe.
     
  14. fortcollinsram

    fortcollinsram 1/2 ton status

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    There are 2 versions of the NV4500..the first ones used by GM had a 6.35:1 (I think) 1st gear with like a .75 OD...the other models were used in later GM and dodges and had like a 5.6:1 1st gear and the same ODr..the NV4500 was offered with a np241 behind it so making a 208 fit shouldn't be too bad...

    Chris
     
  15. sled_dog

    sled_dog 1 ton status

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    yeah but are we sure the Dodge NP241 with driver side driveshaft is that imilar to the 208? Best bet would be to call Advanced Adaptors they sell NV4500s and will know.
     
  16. bowtiepower00

    bowtiepower00 1/2 ton status

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    The 4500 in my Chevy is bolted to a 241, and according to AA a 208 will bolt right up to the stock adapter, as will a later model 205 with minor modifications.
     
  17. sled_dog

    sled_dog 1 ton status

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    <--- waiting for the money then its 4500 time, see ya guys with that sometime next year /forums/images/graemlins/frown.gif
     

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