'89 roller-cam LA 360 w/Magnum heads - new roller lifters not pumping up

3Darts said

i was unaware you could put later magnum heads( pedistal rockers) on to a eariy roller TBI rail rocker roller block looks really nice

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They're a drop-in fit on the roller-cam LA engines, provided you replace the lifters and pushrods in the process.

I'm actually quite curious at this point if it's possible to convert a late-model Diplomat with TBI to Magnum MPFI with relatively little effort, even to the fuel system...

-Kurt