used this type of setup to run the 42RH (A500) in my 5th ave...worked good....
but if you're planning on installing a 5.7 and keeping the OEM EFI, from a transmission control/drivability standpoint, you'd probably be miles ahead sticking with the 545RE that came behind the 5.7....
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)
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