J BODY LEAF SPRINGS

CM360

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So, I got the correct info on swapping out 7 1/4 to 8 3/4 rear( on the hunt mode). Now, I'm looking for info on the length of the leaf springs, eye to eye and overall length. Found replacement springs on FFI and by the time I done, CalTracs are cheaper(estimated).CalTracs has in stock FM set ups in stock. I do not have the car in hand(1981 Cordoba). Looking for all the suspension parts that, in my mind, can be a deal breaker if I can't get them. Probably my last FMJ build(318 turbo) street DD. Your help is greatly appreciated. Thanks
 
It's probably going to be a easier using a late model axle rather than hunting for something that ceased production 50 years ago.

Does Cal Trac have normal leaf springs or just the split mono leaf? Mono is going to make for a car that rides horribly on the street.

What's your budget and what's the intent? You can make these cars handle on rails (I have), but it's not cheap.
 
My 1st feeble attempt at turbocharging a 273 netted about 400HP. Plumbing nightmare and before blow thru carbs were around. Just looking at Firm Feel, there always seems to be another add-on and you are still not finished. ESPO is no longer making spring for most cars. They are whittling down their inventory to die out. Maybe that the J platform is just a waste of time, money and utility. Thanks for your info.
 
Used General Spring myself.

IMG_4405.jpeg
 
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