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  1. 9

    OT Buick problems.

    My buddy has a 90? buick lesabre with the almighty 3800, the problem is the volt light comes on and it slowly loses all its power and then wont start, until it sits for a long time. We changed the alternator 3 times, and put in a new battery, so its neither of those. wiring APPEARS to be...
  2. 9

    Rear end set up list?

    I am going to pick up an 8.8 out of a 91 mustang for my vert. It has 3.27 gears and has not much play in the yoke, so I assume they are okay. Anyways, I plan on just setting it aside, I am getting it for 100 dollars which is cheap from what others I have seen. I want to put 3.73s or 3.55s...
  3. 9

    Speedo Gear?

    Yea, I am not looking for high speeds, im not even going to do any highway traveling in the car. Just a cruiser. I also plan on putting in an 8.8 posi with 3.55 gears, so that should help all together as well. Brian
  4. 9

    Speedo Gear?

    Thanks for all your help M. Yount. I will just buy the 21 speedo and find out how off I am and return with results for your help Thanks again, as you were of the few to offer any advice. Brian.
  5. 9

    Speedo Gear?

    i guess I am a little confused. They put the C4 in 79-82/3 mustangs correct? Dont you think i could get a speedo gear for like, 3.55's and be close, or will it still be way off due to wheels and what not. Sorry for not being in the know. Thanks.
  6. 9

    Speedo Gear?

    No, I do not have a speedo gear, and I was TOLD that the cable works with the c4. So do you think my best bet is to get the 21 tooth gear until I change rear ends and gears and what not? I am just looking for the closest speedo gear as of now, and where to get it. Is the best I can do...
  7. 9

    Speedo Gear?

    the tire is a 205-65-14 I beleive???
  8. 9

    Speedo Gear?

    Well I was hoping someone could calculate a speedo gear tooth number for me. Yes, it comes with 14 inch tires... Ford told me they only went up to 21, will that be accurate with 14's, or is it going to be more off? Thanks for the help. If i could find something that would be no more...
  9. 9

    Best Plugs??

    NGK all the way, I love em, but this is a real touchy subject, mostly depends on YOU! :nice:
  10. 9

    Speedo Gear?

    COME ON!!! I barely ever ask for help and i run into a major problem and no 2 people can help me?? Someone has to be running a C4 and 3.73's???? WHAT DO I DO??? I DONT HAVE TONS OF MONEY!!
  11. 9

    Speedo Gear?

    TTT
  12. 9

    Speedo Gear?

    Automatic Transmissions with 7 Tooth Drive Gear 1983-1989 Automatic Transmissions Item Number Description D0OZ-17271-B 3.73 Gear Ratio / Purple 21 Speedo Gear Will this work in my C4? Thanks.
  13. 9

    Speedo Gear?

    Do you know what the part number is? Maybe I will just have to go to jeep and pick one up...
  14. 9

    Speedo Gear?

    Went to ford today, and they do not have a 23 tooth speedo gear like some recommended.. Still need help.
  15. 9

    Speedo Gear?

    So I cant get a speedo gear? I am not looking for 100% accuracy, just close, maybe 3-5 MPH off, Could I just go ask for a speedo gear for a 75 maverick with 3.73's and a C4? Or is it not that easy? The car is about done and this is the only part I have, and I am kinda low on cash, I was...
  16. 9

    Speedo Gear?

    Bump.. Still need help really bad. Thank you.
  17. 9

    Speedo Gear?

    A 75 Maverick. Thanks
  18. 9

    Speedo Gear?

    I have a 75 C4 that I put inside my 92 vert with a 7.5 rearend with 3.73 gears, stock 14" tire. Which gear do I need?
  19. 9

    Not sure of HP?

    I have a 76 long block remanufactured with (supposedly) stock specs, even though it has the rockers they put into roller motors??, bored .30 over to a 306. I have an airgap intake manifold, 600 CFM holley single pumper, 1" spacer, pulleys, electric fan, flowtech headers, BBK offroad H pipe...
  20. 9

    Biggest wheel size

    Also, if anyone could tell me how to tell the difference between the mustang posi and all the other posi's. I know thwy are shorter, but do they look any different? Thanks again
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