72 fJ40 LS 5.3 h55f split case 70 series rear axle 2.5” lift

ceylonfj40nut

Waiting for Barn Time
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Folks. Specs above. Trying tack and burn in new perches on the 70 series rear axle. Wanted to have the 2.5” OME medium springs and 5100 bilsteins put in before we weld the perches. OME is back ordered by about 8 weeks. Need to get build done. Wondering if we can weld new perches using stock lift height (I.e use stock springs) and stock angle to pinion flange and put new lift springs/shocks later. Stock springs have a good arch still.

Guessing this should work knowing that most put 2.5” OME lifts on stock perch angle?

any thoughts would be greatly appreciated
 

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