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  1. ultrastang

    foxbody 8.8 in a 65 coupe

    Actually, the Ranger is just the oppsite from the early Ford 8- & 9-inch rears. You would need two driver's side axles from a Ranger to put into a Fox Mustang 8.8" housing to make it 5-lug, if using 5-lug drums. [disc brake axles are longer than drum axles]. Fox Mustang 8.8" has equal length...
  2. ultrastang

    Need some schooling on 8 inch rears.

    No denying that it's getting harder and harder to find a 9-inch in the wrecking yards, but if you're persistent, you may just find one. I got this '80 Monarch 9-inch drum brake rear end assembly for $300.00 [same width as '65/'66 mustang rear]...
  3. ultrastang

    Need some schooling on 8 inch rears.

    The 8-inch rears came out in 1962 and ceased production in 1980. All 8-inch 3rd members are interchangeable from one 8-inch housing to another. However, the 8-inch 3rd members from '62-'66 are the weakest design you can have. In 1967, the 3rd member castings were revised to have more...
  4. ultrastang

    How do you change the fluid in a 8" rear diff?

    The Ford 9-inch rear end first came out in the Ford trucks and passenger cars in 1957. ALL '57 model 9-inch rears came with a 3/8"NPT drain plug in the bottom of the housing sump. MOST of the '58 & '59 model 9-inch rears came with drain plugs, but some didn't. By 1960, none of the 9-inch...
  5. ultrastang

    Question on Junkyard rearends

    I've heard of some 31-spline axle being installed into an 8-inch rear, but I suspect it its not a stock, Ford-produced, differential(?)., or the differential's I.D. [where the axle slides in to engage the axle gears] has been bored out oversized in order to get the axles to go in(?). In the...
  6. ultrastang

    Question on Junkyard rearends

    It is true that the 28-spline axle gears from a 9-inch differential can be swapped out for 31-spline gears, but in the case of an 8-inch rear end, 31-spline axles won't work in them because the opening of the stock 8-inch differential [on the ends where the differential bearings press on] don't...
  7. ultrastang

    changing rear axle bearings on a 9"

    Being that the rear end is as old as it is, you have no way of knowing how old the axle bearings are [could be original --who knows?], or truely what condition they are in. I've changed plenty of axle bearings and never had any premature failures with Timken bearings. If the axle bearing...
  8. ultrastang

    What is your opinion? 3.80 or 4.10 8" rear

    I don't know. I have an old (wide ratio) Top-loader 4-speed that used to be in my '68 when the '68 was my daily driver (1982-1989). Granted, It's a tough transmission and all, but it's not pleasant with low rear end gears and cruising out on the highway due to the high engine RPMs it induces...
  9. ultrastang

    What is your opinion? 3.80 or 4.10 8" rear

    "Back in the day," the early Mustangs with a Top-Loader 4-speed came with a 2.78 1st gear. In the Mustangs like the Boss 302s (designed for Trans Am [road] racing), they came with close ratio Top-Loader 4-speeds with a 2.32:1 1st gear. The 5.0L LX/GT Mustangs came with T-5s that had a...
  10. ultrastang

    Third Member Swap

    A simple way to determine if the axle bearing(s) are bad, once you have the axles removed from the housing, is to place your thumb against the outer edge of the bearing and give it a swift spinning motion. If the bearing turns more than 1 full revolution, it's bad. The sealed axle bearings...
  11. ultrastang

    Rear end question?

    If the wheels won't turn independently of each other, then it's most likely that you have a Limited-Slip differential, if it's original to the '67. --(Ford Traction-Lok differential didn't come out until 1969). It's also possible that some previous owner could have installed the...
  12. ultrastang

    What is your opinion? 3.80 or 4.10 8" rear

    http://ultrastang.com/Page.asp?PageID=8
  13. ultrastang

    classic axle bearings

    http://members.boardhost.com/MustangSteve/msg/1209425528.html
  14. ultrastang

    Brake kits - manual versus auto trans, why?

    Not so much of a problem in a '67-'70 Mustang if you are converting to power brakes and have a manual transmission and if you are using the factory-style 7" diameter brake booster. The diameter of the 7" brake booster is small enough to clear the clutch linkage rod going through the firewall...
  15. ultrastang

    73 Axel bearing removal

    Sorry for link to another Mustang site, but I'm at work right now "working" (wink-wink), and don't have time to repost all the links to these photos I took on how to press axle bearings off/on: http://members.boardhost.com/MustangSteve/msg/1209425528.html
  16. ultrastang

    went to the junk yard to look for 9"rears

    If you have stock (skinny) wheels and tires, you might get away with running a 59¼" wide rear end (that width for '67-'70 models), but if you have wider aftermarket wheels and tires, you will probably have problems clearing the fender well openings, unless you have aftermarket wheels and tires...
  17. ultrastang

    went to the junk yard to look for 9"rears

    It will work, but it would mean having to remove the coil spring mounts, adding leaf spring perches and cutting the axle tube's length down. Probably not worth the trouble. The 9-inch rear ends first appeared in the passenger cars and Ford half ton pickups in 1957. They ceased production in...
  18. ultrastang

    What do you guys think of my engine bay?

    Engine bays painted the same color as the body looks cool. The bad part is when the paint gets scratched or knicked --like in the area of the shock towers when the ratchet hits them and chips the paint while changing spark plugs. The engine bay is not as easily touched up with it being a body...
  19. ultrastang

    What do you guys think of my engine bay?

    I'll have to agree with D.Hearne, that semi-flat (same thing as semi-gloss) on the engine bay would look better than gloss. Not my car, and if you like chrome, fine, but personally I'm not a fan of chrome. I think paint/powder-coat looks much cleaner than chromed objects. The good thing with...
  20. ultrastang

    Can someone give me the best information sources??

    Aside from actually working on the cars, one of the best sources for information on how something is put together on a Mustang is in the Ford service manuals (which they would likely have at the shop you will be working in). The Ford manuals give exploded views of the assemblies and...
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