M BODY REAR SPRINGS W/ 8 3/4 REAR

CM360

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What are my options? Probably 5 leaves, no ISO and a shock recommendation too. 350 HP 318 and auto for an every day driver.
 

Duke5A

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An 8.25" would probably hold up fine for DD duties with an automatic, no slicks and 350 HP. Larry's 408 powered AHB has had an 8.25" in it for a few years doing DD with 470 HP. I went 8.75" when I ran small blocks though because I couldn't find an 8.25", so there is that.

You should be able to have the factory 4 spring leafs re-arched with a helper to make a five pack. I did this for many years before I went and bought brand new ones. Old ones didn't sag, just wanted new.

I would think just a set of Monroe Sensatrack shocks with be good for a DD. They're not expensive either. I'm running Edelbrock shocks on my car with the ISO delete, but those shocks were discontinued years ago.
 

CM360

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But that's still living with the Iso big spring eye bushing, right?
 

CM360

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I think that ESPO had an option for round or Iso roundtangular spring eyes.
 

Duke5A

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I think that ESPO had an option for round or Iso roundtangular spring eyes.

I didn't even realize that was an option. I got my springs from a local supply and they were factory AHB replacements.
 

89.Fifth

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Sachs 030268 Shocks. I just got these and they are the best rear shocks I've ever used. In my opinion smoother than Monroes and better handling than KYBs. Rock Auto sells them at a good price but Amazon has them too.
 

CM360

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These shocks were used with the 8 3/4 swap? If so, have a part#.
 
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