Advertised Engine Ratings

ENGINE
300 HP
327 CI
350 HP
327 CI
390 HP
427 CI
425 HP
427 CI
AVAILABILTY
Standard
RPO - L79
RPO - L36
RPO - L72
BRAKE HP GROSS
300@5000
350@5800
390@5200
425@5600
NET
235@4800
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TORQUE
(lb-ft)
GROSS
360@3400
360@3400
460@3600
460@4000
NET
320@3000
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Compression Ratio
10.25:1
11.0:1
10.25:1
11.0:1
Bore & Stroke
4.00 x 3.25
4.25 x 3.76
Idle Speed (RPM)
500
700
550
800
Firing Order
1-8-4-3-6-5-7-2
Tach Redline (RPM)
5500
6000
5500
6500
Revised figures as of December 1965