Mercruiser 440 Specs
11-16-2011 | 03:52 PM
#1
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From: Chicago, IL; Onekama, MI
Mercruiser 440 Specs
Does anyone know what the specs are on the Mercruiser 440 HP engines? I'm thinking about using my 454 mags as the base for these.
I'm curious about:
Intake used
Carb
Cam
Operating range
I'm curious about:
Intake used
Carb
Cam
Operating range
11-16-2011 | 09:10 PM
#2
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Joined: Mar 2009
Posts: 1,758
Likes: 3
From: OFallon,Mo.
You talking about the 440 cyclone Merc made in the '80's? Here's specs from merc manual #9.
8.8:1 compression
Rectangular port iron heads with high-perf precision valve job for improved flow
Aluminum highrise dual plane intake
850 double pump Holley
4 bolt main block
Forged rods
Forged pistons
Forged polished crank
Aluminum roller rockers
Hydraulic flat tappet cam 288*/296* Duration
.549/.558 Lift
8.8:1 compression
Rectangular port iron heads with high-perf precision valve job for improved flow
Aluminum highrise dual plane intake
850 double pump Holley
4 bolt main block
Forged rods
Forged pistons
Forged polished crank
Aluminum roller rockers
Hydraulic flat tappet cam 288*/296* Duration
.549/.558 Lift
