M Odel S Pecifications - Marine Power 4.3 VORTEC MPI Owner's Manual

3.
Engine Identification
4.3 VORTEC MPI
Engine Type V6
Repower
X
Original Equipment X
Unique Feature n/a
Displacement 4.3/262 CID
Bore & Stroke 101.6 x 88.39 mm
Compression Ratio 9.4 : 1
Cylinder Block Cast Iron
Cylinder Head Cast Iron
Recommended Fuel 87 Octane
Max RPM @ Wot 4300-4600
Idle RPM ECM Controlled
HP Fuel Pressure
60 PSI
LP Fuel Pressure 4-7 PSI
Oil Pressure @ 2000 RPM 30-60 PSI
Min Oil Pressure @ Idle 10 PSI
Operating Temp RW Cooled 143° F
Operating Temp FW Cooled 165° F
Sparkplug Type 12568387 (AC 41-101)
Sparkplug Gap .060"
Timing @ Idle ECM Controlled
Timing @ 4000 RPM ECM Controlled
Firing Order 1-6-5-4-3-2
Alternator Rating
95 amps
Crankcase Oil 15W-40
Oil Capacity 5 Qts.
Closed Cooling Fluid Antifreeze/Water
Closed Cooling Capacity 10 Qts.
8
5.7 VORTEC MPI 6.0 VVT
V8 V8
X
X
X X
n/a Variable Cam Timing
6.0L/364 CID
5.7/350 CID
101.6 x 88.39 mm 101.6 x 92 mm
9.4 : 1 9.6 : 1
Cast Iron
Cast Iron
Cast Iron Aluminum
87 Octane 87 Octane
5200 5200
ECM Controlled ECM Controlled
60 PSI
60 PSI
4-7 PSI 4-7 PSI
30-60 PSI 30-60 PSI
10 PSI
10 PSI
143° F n/a
165° F 170-190° F
12621258 (AC 41-110)
12568387 (AC 41-101)
.060" .040"
ECM Controlled ECM Controlled
ECM Controlled ECM Controlled
1-8-4-3-6-5-7-2 1-8-7-2-6-5-4-3
95 amps
95 amps
15W-40 15W-40
Jets: 6 Qts., Jets: 8 Qts.,
Other: 6 Qts.
Other: 5 Qts.
Antifreeze/Water Antifreeze/Water
10 Qts. 10 Qts.
6.2 LS3 6.2 LSA
V8 V8
X X
X X
Light Weight Supercharged
6.2L/374 CID 6.2L/374 CID
103.25 x 92 mm 103.25 x 92 mm
10.7 : 1 9.1 : 1
Aluminum
Aluminum
Aluminum Aluminum
91 Octane 91 Octane
5200
5600
ECM Controlled ECM Controlled
60 PSI 65 PSI
4-7 PSI 4-7 PSI
30-60 PSI 30-60 PSI
10 PSI 10 PSI
n/a n/a
170-190° F 170-190° F
12571165 (AC 41-104)
12621258 (AC 41-110)
.040" .040"
ECM Controlled ECM Controlled
ECM Controlled
ECM Controlled
1-8-7-2-6-5-4-3 1-8-7-2-6-5-4-3
95 amps 95 amps
15W-50 15W-50
Jets/Monsoon: 8 Qts., Jets: 8 Qts.,
Other: 6 Qts.
Other: 6 Qts.
Antifreeze/Water Antifreeze/Water
10 Qts.
10 Qts.
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