WTB - LSD for my Coupe

vince

vince

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Anyone have a good 364 LSD rear diff for a coupe laying around that they want to sell? Mine has gotten very noisy and apparently is shot. Any info on a rebuilt or good original would greatly appreciated.

Thanks!!
 
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I have a serviceable 364 diff. from my 72 3.0CS. Not sure if it is an LSD or not. It is greasy, so probably needs a new set of seals, but other than that it was working perfectly when I removed it from my coupe. It is being replaced with a 3.25 LSD along with a 5 speed swap.
 
I guess it’s personal preference. In my CSi with 4-speed and 3.25 the car felt fine but at 65-75 the car felt like I was running at higher than usual rpm, 5-speed with 3.25 felt a bit pokey and annoying at starts/stops, 5-speed with 3.45 feels like most other cars I drive - good acceleration and comfortable highway speeds. During the drive down from Seattle to Monterey it felt great on the highway but then we didn’t have trouble keeping up with some more modern cars in th various rallys through the backroads. But I will admit that I’m not a guy who tends to push my cars up into the 4.5-6 rpm range routinely while others love riding near redline.
 
I drove my Coupe with an overdrive 5 Speed and a 3.25 for 1200 miles.
At normal freeway traffic speeds, fifth gear was so unsatisfying. No real throttle response no choice but to shift down to fourth gear when trying to move through traffic.
A four speed with a 3.25 or a 3.45 is great. But if you’re going to go with that 5 Speed overdrive - a 3.45 is to me the answer.
And I have to say a 200+ hp Coupe with a 3.64 driven on the island is a pain in the ass

I don’t wanna shift halfway through the intersection…. Block after Block….
 
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