Quote:
Originally Posted by Biggd
I've never seen any Mercruiser 4.3's with 285HP
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They don't exist. GM makes a 4.3 LV3 truck V6 that makes 285 HP though. It's got variable valve timing like the current GM V8s. Volvo Penta uses the LV3 GM 4.3 in their 200 HP to 280 HP V6 offerings. Guessing the <280 HP models are just de-tuned with software.