Good morning Oppo

"505Turbeaux" (505turbeaux) 01/16/2015 at 08:48 • Filed to: None

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It's Friday, and I just feel like I am pulling myself out of the weeds for the week

RamblinRover Luxury-Yacht > 505Turbeaux 01/16/2015 at 09:28

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And now, thanks to deekster caddy, I find myself wanting more impossible projects. Fuck this, time to carry off massive embezzlement and do cars erryday.

505Turbeaux > RamblinRover Luxury-Yacht 01/16/2015 at 09:29

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one way to go about it!

BiTurbo228 - Dr Frankenstein of Spitfires > RamblinRover Luxury-Yacht 01/16/2015 at 09:36

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Ah, I was hoping I could lean on your expertise :) in the Jag IRS, is the diff simply bolted to the frame or does it have bushes? I can't seem to find anything obvious from parts suppliers.

I ask because I've just bought a powerlock diff for the '40 :)

Bob Loblaw Made Me Make a Phoney Phone Call to Edward Rooney > 505Turbeaux 01/16/2015 at 09:45

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I know I'm supposed to hate these cars, but Halicki's Gone in 60 ruined that for me. I just want to buy one and beat it to within an inch of its life.

RamblinRover Luxury-Yacht > BiTurbo228 - Dr Frankenstein of Spitfires 01/16/2015 at 09:47

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YESSSS. To answer the question, the Salisbury third-member bolts rigidly to its own girder with four tapered bolts almost like lug-bolts - no bushes. It's also held by the wishbone pins at the bottom. The girder than has its Metalastik bushes that bolt to the chassis.

To disassemble the whole thing, you pop the four bolts (usually they have a safety wire), pop six bolts holding on the bottom plate of the girder, slip the inner wishbone pins (nut off either end, doesn't matter), and take loose the spring/shocks. The whole thing falls apart quite nicely at that point - though since that means the wishbones are loose on the inside, you risk losing the two O-ring seals for each side of the wishbone ear (8 of each, small and large) and the washers they ride on. If you're careless, which I'm sure you're not.

I'll update you on the best supply paths for seals, because I'm about at the point I'll have mine taken apart to replace them.

505Turbeaux > Bob Loblaw Made Me Make a Phoney Phone Call to Edward Rooney 01/16/2015 at 09:48

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me too

BiTurbo228 - Dr Frankenstein of Spitfires > RamblinRover Luxury-Yacht 01/16/2015 at 10:15

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Sweet :) thanks man :) I'll be sure to post up when I start dismantling mine. It needs pretty much every suspension bush sorting as it knocks over bumps like nothing else I've driven at the moment :S putting the parts together at the moment, then it'll be full rebuild time :S

RamblinRover Luxury-Yacht > BiTurbo228 - Dr Frankenstein of Spitfires 01/16/2015 at 10:27

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One advantage to these, really, is the reliance on bearings - it makes for a low number of bushes under rotation, so you don't fail as many as fast. Quick question: which Powr-Lok is it? We in the US are in somewhat of an odd spot, because some of the parts shipped with the 2.88 Powr-Lok are unique to it, and that was mostly a US market XJS thing - it's what I have. I imagine you're probably fine with whatever ratio it is vs. the old one, but the gear carriers are IIRC different sizes between the 2.88PL, the "small" ratio one, and the "big" ratio one.

BiTurbo228 - Dr Frankenstein of Spitfires > RamblinRover Luxury-Yacht 01/16/2015 at 11:24

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That's big plus on cars as bulky as these. Bushes wear out quick :S

I've got a 3.54 ratio, which is the same as the existing one so I'd hope all the bits are the same :S

Ideally I'd like a 3.77 one as it'll only knock my speedo out by 6% (which should neatly offset the stock speedo inaccuracy) and it should mean a bit better acceleration :)

RamblinRover Luxury-Yacht > BiTurbo228 - Dr Frankenstein of Spitfires 01/16/2015 at 11:38

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I'm somewhat lucky with my swap combo, as the trans I've got has mechanical drive that will fit my existing cable pretty easily, and drive gears are available for every axle ratio under the sun from it being in so many cars. It's a speedo drive tooth shared between the Borg Warner, the Muncie, various GM TH auto transmissions including the 350 - it's roughly the single most common speedo drive setup that exists.

I'd not have minded a 3.54 PL, but they simply don't exist on these shores in the numbers that the 2.88s do, and 250 ft-lb of torque on reasonable tires with a low first and second in the box should propel 2500lb like a rocket regardless - and it should make for solid mileage numbers too.

BoxerFanatic, troublesome iconoclast. > Bob Loblaw Made Me Make a Phoney Phone Call to Edward Rooney 01/16/2015 at 15:03

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They are huge... but so are a lot of classic cars...

Resto mod with wheels big enough to suit the body, and lowering the front end that is pointed upward like the bow of a ship instantly makes the car much cooler, and gives a nice canvas for a classic resto-mod.

Also the only factory mustang generation with a full-width grille that was popular on many other cars. (69-70 Shelby Mustangs also, but were customized and re-manufactured, not right up front from any ford dealer)

BiTurbo228 - Dr Frankenstein of Spitfires > RamblinRover Luxury-Yacht 01/18/2015 at 12:54

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Good point :) also, I do wonder which is better for an engine that's not a high-rpm screamer, a low or high diff ratio. My thinking is that if your engine revs lazily but produces a lot of torque, surely it would produce better acceleration if you could use that torque to wind yourself up to a high speed in a single gear, rather than having to waste time changing ratios all the time.

Expensive thing to test by yourself though...