use hughes 1110 springs. stock mag springs are wimpy and only good for ~.480 lift. hughes springs/retainers should get you up to about .520-.530" usable lift, and are ~135 seat pressure with 345lb/in rate.
cam and converter should be able to handle an XE274, but you'll probably be nipping the 12's with the smaller cam.
1976 Spinnaker White Plymouth Duster, /6 A833OD
1986 Silver/Twilight Blue Chrysler 5th Ave HotRod **SOLD!***
2011 Toxic Orange Dodge Charger R/T
2017 Grand Cherokee Overland
2014 Jeep Cherokee Latitude (holy crap, my daughter is driving)
| 
