Dismiss Notice

Welcome To CK5!

Registering is free and easy! Hope to see you on the forums soon.

Score a FREE t-shirt and membership sticker when you sign up for a Premium Membership and choose the recurring plan.

Solid axle NP241 and IFS NP241-what's the difference?

Discussion in 'OffRoad Design' started by AJMBLAZER, Mar 25, 2001.

  1. AJMBLAZER

    AJMBLAZER Better to be lucky than good. Premium Member

    Joined:
    May 18, 2000
    Posts:
    22,791
    Likes Received:
    100
    Location:
    Paducah, KY
    Solid axle NP241 and IFS NP241-what\'s the difference?

    Okay, I definately want to put a solid axle up front instead of the no articulation IFS I have. I want to change my transfer case and put in a GM front axle like you told me about with the Suburban you guys just got. I can get all the 10 bolts and GM D44's I want, but try finding a Ford solid front D44 and I'm in for a couple of months of fun, and forget about a Ford D60.

    I like my NP241, plenty strong and has nice, low gearing for a nice slow crawl in 1st gear at 4lo. My Blazer has a 4L60 (renamed TH700R4), and I doubt there is any difference between the one in it, and the one in a 89-91 Blazer or Suburban. So if I was to lay my hands on a NP241 from a 89-91 Blazer, would it bolt right up?

    The front axle mountings and all that are going to be handled, probably just buy your solid axle kit whenever you guys get done with it and market it. I'm just starting a shopping list.

    1992 Blazer Sport, 350 TBI, 4L60, 3" Flowmaster, K&N, 2.5" Rancho, 285/75R16 on 16x8 Baja's[​IMG]
     
  2. 1990K5

    1990K5 1/2 ton status

    Joined:
    Nov 6, 2000
    Posts:
    460
    Likes Received:
    0
    Location:
    LITTLETON CO.
    Re: Solid axle NP241 and IFS NP241-what\'s the difference?

    YOU HAVE A 4L60E, "E" MEANING ELECTRONIC BUT IT IS STILL VERY SIMILAR TO THE 700R4, YOU 241 IS THE EXACT SAME CASE AS LONG AS THE OUTPUT IS ON THE CORRECT SIDE, IF NOT YOU COULD GET A FORD FRONTEND WHICH ARE EASY TO FIND(44 OR 60) BUT IT MIGHT BE LESS HASSEL DOWN THE ROAD TO KEEP IT ALL CHEVY.
     
  3. Chris Demartini

    Chris Demartini 1/2 ton status

    Joined:
    Feb 17, 2000
    Posts:
    2,406
    Likes Received:
    1
    Location:
    Dumont NJ 07628
    Re: Solid axle NP241 and IFS NP241-what\'s the difference?

    <font color=blue>He has the 4L60, not the 4L60E. If its the same thing as the 700s in Subs and K5s, wouldnt it be possible to grab a 700 adapter with case and bolt it up to your 4L60?</font color=blue>

    [​IMG]
     
  4. AJMBLAZER

    AJMBLAZER Better to be lucky than good. Premium Member

    Joined:
    May 18, 2000
    Posts:
    22,791
    Likes Received:
    100
    Location:
    Paducah, KY
    Re: Solid axle NP241 and IFS NP241-what\'s the difference?

    As big grey said, I have a 4L60, which is just a renamed TH700R4. It isn't electrically controlled. I have the TV cable, same as you.

    I dunno where you are looking, but I can get a GM front D44 or 10 bolt for $150 or less, and IF I can find a Ford D44, it will cost much more than that to buy, and then I still have to convert it to leaf springs. I figure I can find a solid axle NP241 and a 10 bolt from 1989-1991for less than it will cost to buy and make a Ford D44 from the 70's work with my truck.

    1992 Blazer Sport, 350 TBI, 4L60, 3" Flowmaster, K&N, 2.5" Rancho, 285/75R16 on 16x8 Baja's[​IMG]
     
  5. AJMBLAZER

    AJMBLAZER Better to be lucky than good. Premium Member

    Joined:
    May 18, 2000
    Posts:
    22,791
    Likes Received:
    100
    Location:
    Paducah, KY
    Re: Solid axle NP241 and IFS NP241-what\'s the difference?

    biggray, what I am wondering is if the NP241 out of a 1989-1991 K5 or Suburban would just bolt right in? I mean, the trannys are the same, and the NP241 seems to be the same, except for that it now has the front output on the opposite side as the solid axle ones. So if I took mine out, could I just bolt a solid axle NP241 in?

    1992 Blazer Sport, 350 TBI, 4L60, 3" Flowmaster, K&N, 2.5" Rancho, 285/75R16 on 16x8 Baja's[​IMG]
     
  6. ken

    ken 1/2 ton status

    Joined:
    Feb 17, 2000
    Posts:
    1,244
    Likes Received:
    0
    Location:
    Anaheim, CA
    Re: Solid axle NP241 and IFS NP241-what\'s the difference?

    YES, as long as the solid axle 241 was out of a Blazer or Suburbn that had a 700r4 or 4L60e in it. If it had a TH400 tranny (3/4 ton Suburban only), then the 241 will not work due to the bigger spline count on the input gear for the 400 trans (32 spline versus 27 spline for the 700r4).

    ken
     
  7. Stephen

    Stephen 1/2 ton status Moderator Vendor

    Joined:
    Sep 15, 2000
    Posts:
    4,227
    Likes Received:
    142
    Location:
    Carbondale Colorado
    Re: Solid axle NP241 and IFS NP241-what\'s the difference?

    You should be able to bolt the 241 Solid version right up. It may be easier to find a ford front than to find a right drop 241 though....Otherwise, you're on the right track.
    One option, you may be able to find a 3/4t ford front (already leaf sprung) and put 6 lug GM outers on it. That would be just finding the right combo of parts, no fabrication.

    Making the world better, one truck at a time.
    [​IMG]
    SW-ORD
     
  8. AJMBLAZER

    AJMBLAZER Better to be lucky than good. Premium Member

    Joined:
    May 18, 2000
    Posts:
    22,791
    Likes Received:
    100
    Location:
    Paducah, KY
    Re: Solid axle NP241 and IFS NP241-what\'s the difference?

    Stephen and everyone, thanks for the help.

    My fiance is from New Zealand, and we have come to the agreement that when we start a family, we will decide which country to live in, based on me seeing NZ, and her seeing the USA a lot first. So I am building my Blazer with the intent of keeping it road legal in NZ, so I could take it over there if we did choose NZ. That is why I am trying to keep it as parts basic as possible. Some custom part isn't going to do me any good if I break it and the nearest replacement is in Austraila, or worse, America. <font color=green>$$$$$$$!!!!!!!!!!!!</font color=green> On the same note, GM cars and trucks are semi-common over there, but Ford trucks are not. Chevy and GMC trucks sort of have the "fullsize American 4x4" market cornered over there.[​IMG] It wouldn't be to hard, or cost me a child, to get parts for a 10 bolt or GM D44. However, finding parts for a solid axle Ford D44 would be a real pain. Almost definately would have to import it. The truck may never to go NZ, but at least replacement parts would be cheap.

    I am most likely moving back to Michigan next fall to go to school. So in a few years it won't be hard to find a 88-91 K5 or Suburban donor truck to give me it's front axle, transfer case, and whateve else I need. The rust eats out cars there much sooner than the engines or drivetrain wear out. I found a 89 Suburban on Autotrader.com the other day with 100,000 miles on it for $1800 that was about 40 miles from my parent's place. The problem? Rust. After I got my parts I could either sell it for parts or get a swazall out, some 1 on components, and make a bashing machine.[​IMG]

    1992 Blazer Sport, 350 TBI, 4L60, 3" Flowmaster, K&N, 2.5" Rancho, 285/75R16 on 16x8 Baja's[​IMG]
     

Share This Page