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big gear head big gear head is offline

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Showing Visitor Messages 1 to 10 of 16
  1. 70CHEVELLE396
    Jun 29th, 14 8:28 PM
    70CHEVELLE396
    Hi, I have seen you mentioned often on the site whenever rear differential questions are asked. If you don't mind I'd like to let you what I have and see if you have any suggestions. I bought a new moser 12 bolt housing (before I heard you were a dealer) with bolt in 33 spline axles. My next purchase is a diff. I am pretty much decided on an eaton clutch posi. I see that moser offers a 33 spline eaton, and I have also seen what Tom's differentials has to offer. As much as I like his tuned and polished units they aren't cheap. The moser setup is about half the cost. I'm wondering what you may have to offer and or any suggestions. I tend to be drawn to the higher end quality products, even though my application doesn't always demand it. Also anytime I can get something that's made in the USA it goes a long way with me. I have 70 chevelle 396 street car, that may see a few trips down the strip. Thanks for any info and suggestions.

    Dave
  2. Dble07
    Jun 4th, 13 12:30 PM
    Dble07
    So if my Yukon had green springs does that mean they are 200#? Is there a specific reading that an individual spring would show at installed height(like you would do to check valve springs)? I called Yukon and they said they don't normally install green springs in their units but they verified(from casting marks) that this unit was one of theirs. Would the 400s be better in a street/strip big block chevelle or can I get by with the 200s?
    My #(618)530-1686 if that would be easier. Thank you for your assistance sir.
  3. big gear head
    Jun 3rd, 13 5:33 PM
    big gear head
    The Yukon units have purple springs in them. The green springs are 200 pound Eaton springs. The 400 pound Eaton springs are yellow.
    Freddie
  4. Dble07
    May 30th, 13 10:39 PM
    Dble07
    Hi Freddie. From what I've been reading you're the man on rear ends. I'm in the process of rebuilding the 12 bolt. The posi carrier was pretty tore up so I found one that a buddy had but had never used. The unit i believe is a yukon and has green springs(#200) but my old eaton weren't painted so I'm not sure what pressure they are. I want to make sure the unit has #400 springs in it before in gets put back together. Is there a way to test the old springs to verify what pressure they are?
    Thanks, Nick
  5. Restore66
    Mar 28th, 13 11:31 AM
    Restore66
    I am debating to put Posi and 3.73 gears on the rear end. Is 3.73 gears the correct ones to use? And should i put 3.73 gears and not make it Posi? Any information would help.
    350 motor, 300 HP. 700R trans, 17 or 18 inch wheels. Not looking to race, just cruising and once in a while step on the gas at red lights, etc. Thanks for any help.
  6. 70chevelle.ss396
    Oct 11th, 12 8:08 PM
    70chevelle.ss396
    OK Thanks
  7. 70chevelle.ss396
    Oct 11th, 12 5:45 PM
    70chevelle.ss396
    Hi Freddie,
    Looking to rebuild my 12 bolt rear end this fall. How much do you sell the deluxe rebuild kit with everything including the wheel bearings and seals for? I want everything made in USA and comparable to JEGS Performance Products #555-61229. My rear is a 12 bolt 3.31 posi original to my car. Never been touched before. My gears look good but I have a whine on deceleration that I think is coming from the pinion.
  8. truckincurt
    Feb 20th, 12 9:05 AM
    truckincurt
    hi freddie you seem to be the rear end expert on this forum i bout a eaton true trax carrier for a 10 bolt and trying to reuse my gears. the guy that was in the rear end before me did not do anything right pinion depth was incorrect there was excessive backlash due to no preload or even tightness on the carrier bearings so needless to say im having trubles setting up these gears i got a few questions for you 1. how much backlash do you put into used gears? i have .0085 right now... 2 . at .036 pinion shim the coast side looks great couldent get a better patern but my drive side just has a little triangle at the toe of the gear with the longest side of th trangle being at the root of the tooth at a .027 pinion shim my drive side has a good patern on it but the coast side has a little triangle on it with the longest side of the triangle being at the top of the tooth i wish i took pictues of all the things iv done to it but dint any help would be greatfull thank you
  9. 454RAT
    Jun 12th, 11 8:15 PM
    454RAT
    Freddie, Your name keeps popping up on the web for someone to order parts from to rebuild my Eaton series 3 posi. Can you help. How do I get in touch with you, #? I need clutches, Spider gear washers, springs and plates. Thanks, David 205-540-1371
  10. awsm502
    May 16th, 11 11:59 AM
    awsm502
    Freddie,

    Do you mind if I give you a call this morning to order some parts?

    Thanks!

    Keith

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