Mercruiser 454 Horsepower. Mercury 454 MPI OEM Intake The 454 MPI came in 2 different Hp version's being the 330Hp model which was known as the 7.4L MPI, and the 385 Hp 454 Magnum MPI Sterndrive Model and 380 Hp 7.4L Magnum MPI MerCruiser's 454 MAG MPI cranks out a potent 385 propshaft horsepower
454 Mercruiser Magnum Start Up YouTube from www.youtube.com
The 454 MPI came in 2 different Hp version's being the 330Hp model which was known as the 7.4L MPI, and the 385 Hp 454 Magnum MPI Sterndrive Model and 380 Hp 7.4L Magnum MPI I've asked here about the history of the 454 due to its outstanding design and performance in a marine engine application but haven't gotten much response.
454 Mercruiser Magnum Start Up YouTube
They are the same heads that are used in the 8.2L 502 cid engine Product Specification Listing: Mercruiser 454 Mag MPI Horizon 415.5HP Marine Engine. in this thread in this sub-forum in the entire site.
Find Mercruiser 7.4L 454 Gen 6 Bravo Complete Motor FI Freshwater. Large selection of quality mercruiser parts, marine engines, marine parts, boats parts and accessories, such as Mercuiser engines, exhaust, motors, and other boating supplies and accessories. Both oif these engine models are easy to recognize by the large "Bread Box" style intake plenum mounted directly on top of the engine.
Mercruiser 454 MPI 330hv engine 2000 Lappeenranta Nettivene. I've asked here about the history of the 454 due to its outstanding design and performance in a marine engine application but haven't gotten much response. General Q & A - what mercruiser 454 model and how much horsepower - I have a 1995 outlaw 240 and has 454 with serial number of f362508 which I looked up and says it's a 454 mag but I want to double check for rpm purposes and what