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1979 Ranchero Rear Axle Question

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roknxj View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote roknxj Quote  Post ReplyReply Direct Link To This Post Topic: 1979 Ranchero Rear Axle Question
    Posted: 29-May-2020 at 8:24AM
Does anyone know what rear axle the 1979 Ford Ranchero with 351 engine came with?
9in big bearing? 28 or 31 spline? track-lok or open? wheel bolt pattern? is it a direct fit into a 1972 Ford Gran Torino?

Thanks
Thanks,
Joe
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californiajohnny View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote californiajohnny Quote  Post ReplyReply Direct Link To This Post Posted: 29-May-2020 at 10:46AM
door tag code will tell you,...... if nobody's changed anything over the years, direct fit ...yes, probably 28 spline, big bearing ...yes, bolt pattern should be 5 on 4 1/2"
JOHN
74 GRAN TORINO S&H CLONE
74 VETTE CUSTOM
90 S10 BLAZER 4X4 LIFTED
77 CELICA CUSTOM
75 V8 MONZA SUPERCHARGED
79 COURIER VERT. SLAMMED
75 VEGA V6 5 SPD
70 CHEV C10 P/U
68 MUSTANG FB CONVERSION
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Dan the ranchero man View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Dan the ranchero man Quote  Post ReplyReply Direct Link To This Post Posted: 04-June-2020 at 1:04PM
There might still be the tag on the carrier as well. Both of mine still have it. 
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aquartlow View Drop Down
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Post Options Post Options   Thanks (1) Thanks(1)   Quote aquartlow Quote  Post ReplyReply Direct Link To This Post Posted: 04-June-2020 at 1:21PM
Like mentioned above, if nothing has been changed and the axle tag is still there, here is a good decoder:
Hope it helps.
www.supermotors.net/22468
Yeah, It's a Hybrid...It burns gas and tires.

No matter how good she looks, somebody, somewhere, is tired of her sh*t.

Beauty is skin deep, ugliness goes clear to the bone.
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rancheromac View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote rancheromac Quote  Post ReplyReply Direct Link To This Post Posted: 06-August-2020 at 2:27AM
Hi , have not seen y ou on Rancherous for awhile. I have been more on 460 sites lately. Off topic, I had someone tell me that I should run w/ NKG plugs ,wr5 2438. what do you use in yours, as mine is pretty much a clone to yours ! Also what gap do you go with ? Heard a variety of these ! oem says .50-60, this seems pretty big. I got the above plugs and checked gap, its preset gap is more like .35-40 ? Again thank you for your advice, which I trust more than any site !

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aquartlow View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote aquartlow Quote  Post ReplyReply Direct Link To This Post Posted: 06-August-2020 at 4:49AM
Originally posted by rancheromac rancheromac wrote:

Hi , have not seen y ou on Rancherous for awhile. I have been more on 460 sites lately. Off topic, I had someone tell me that I should run w/ NKG plugs ,wr5 2438. what do you use in yours, as mine is pretty much a clone to yours ! Also what gap do you go with ? Heard a variety of these ! oem says .50-60, this seems pretty big. I got the above plugs and checked gap, its preset gap is more like .35-40 ? Again thank you for your advice, which I trust more than any site !

Yes, I run NGK WR5's, I found them to have the least resistance among the resistor type plugs I tested(Champion RF11YC and Autolite 45's), the less resistance the more spark energy gets to the plug gap. I also found BIG differences in resistance #'s between different distributor caps and rotors, I went with the lowest values across the board when I finalized my ignition system. I set my gaps to .045" and I indexed the plugs to each cylinder(Ok, I was bored that day). I do know the TFI coil/HEI module combo will jump at least a 1/2" of plug gap and/or straighten the kinkiest of hair with a quickness if not careful. Not saying my current ignition setup is any better than anything else out there, it just works great for me and has been rock-solid reliable. Hope this helps.  
www.supermotors.net/22468
Yeah, It's a Hybrid...It burns gas and tires.

No matter how good she looks, somebody, somewhere, is tired of her sh*t.

Beauty is skin deep, ugliness goes clear to the bone.
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