[Dieselwrencher]

Wow, this is almost a heated discussion here. The 5.9 is less than 1000lbs with no fluids. With fluids they are around 1050. How do I know? I have weighed a few............. The suspension on my corvette has been fine so I would say your front suspension with big block components will be fine. Look at it this way. What does a cast headed BBC with a 871 and dual quads weigh? It has to be close to 950lbs. How many people worry about the weight with that set up. Hardly no one. So basically you are 100lbs heavier than the Blown BBC. I would reinforce the frame where you can whether that be boxing or adding supports, or sleeving it to minimize chassis flex. I have drag raced mine all summer, driven it on the street, and the front suspension has not shown any strain or anything. It has BBC sorings in it and everything else is stock replacement parts from Moog. As for the 4bt, you can get big power from them, don't be fooled. You will need a 4bt with an inline injection pump, not a VE or rotary pump. There is a ranger with a 4bt that was 800hp with twin turbos, fuel only. Anything is possible.