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Any modifications to springs going from 258 to 304?

Any modifications to springs going from 258 to 304?

OEM1984CJ7

Jeeper
Posts
232
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1
Location
E. Tenn
Vehicle(s)
1984 CJ7 258 w/T176
Previously when I had a AMC 304 swapped into a AMC 258 i6 / 4.2l setup I had the front springs pulled/re-arched and added 1" to the front for it to sit level. Anyone done this or used add-a-leafs?
 
I would think add a leafs would be the way to go if needed
 
No modifications necessary.
The AMC 258 i6 / 4.2l is no lightweight. It's a heavy engine, over 500 pounds. I am willing to bet the AMC 304 weighs less. Does anyone have specific weight data?
 

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