Quote:
Originally Posted by 96blackgt54
Hey guys! I've got a crazy idea.
Maybe this has already been mentioned and it may be overkill, but what about a long rod 5.4l LOL!
It's possible with the mainstream stock piston's and a longer rod. There is that .108/.110 TDC space that a longer rod could take up. Also the compression spike!
Just a thought! The swept volume would be the same, but the longer rod geometry would aid in more torque!(like it needs moreLOL)
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There's someone doing a sort of that..
He's using stroker pistons, 5.8" chebbie rods, and turning rod journals on the crank to 2" (SBC size) and turning the counterweights down to clear the 4.6 block. It's a lot of custom parts and machine work but it should end up with 5.4L in a long rod stroker on a short deck modular block (4.6).
I guess if you could move the pin up into the oil ring groove a little and bump it to a 6.8" rod you could get a little more tq... but really for all the expense it starts to become time to look at sleeving the block for 3.7" bores otherwise the valves will stay shrouded and you'll never make the hp that that sort of mod should net you.
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