Chevrolet 1963 Corvette, Repair & Tune-Up Manual

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Tune-Up Specifications (cont.)
Distributor Valves
Spark Plugs
Clearance (In.)
llrtake
Year Model Type
Gap
(In.)
Point Point
Dwell Gap
(deg) (In.) Basic Ignition
Timing (deg
BTDC)
Intake Exhaust (deg BTDC)
Idle
Speed
(rpm)
Normal
Fuel
Pressure
(psl)
270 hp R44TS 0.035 28-32 0.019 4® ® ® 26 600® 7V2-9
330 hp R43TS 0.035 Transistor
Ignition
8© 0.024 0.030 36 700 7'/2-9
365 hp R43TS 0.035 28-32 0.019 8 ® ® 56 600 7Va-9
1971
425 hp R44® 0.035 Transistor
Ignition
8 0.024 0.028 44 700 7Va-9
200 hp R44T 0.035 29-31 0.019 8 © © 26 800® 7V2-9
255 hp R44T 0.035 29-31 0.019 4 0.024 0.030 36 900 7V2-9
1972
270 hp R44T 0.035 28-30 0.019 8 ® © 56 750® 7Vz-9
190hp R44T 0.035 29-31 0.019 12 ® ® 26© 9 0 0 ® ® 7
1
/2-9
250 HP R44T 0.035 29-31 0.019 8 ® ® 40 9 0 0 ® ® 7V2-9
1973
270 hp R44T 0.035 29-31 0.019 10 ® ® 56 9 0 0 ® ® 7V2-9
1 9 5 h p R44T 0.035 29-31 0.019 8® ® ® 26© 900® 7
1
/2-9
250 hp R44T 0.035 29-31 0.019 8 © © 40 900® 7
1
/z-9
1974
270 hp R44T 0.035 29-31 0.019 10 © © 56 800® 7Va-9
165 hp R44TX 0.060 Electronic 6 © © 26 800® 7
1
/a-9 1975-76
205 hp R44TX 0.060 Electronic 12 © © 40 900® 7Va-9
180 hp R45TS 0.045 Electronic 8 ® ® 26 800® 7V2-9 1977
2 1 0 h p R45TS 0.045 Electronic 12 ® © 40 900® 7
1
/2-9
185 hp R45TS 0.045 Electronic 6© © ® 26
(®
7
1
/a-9 1978
220 hp R45TS 0.045 Electronic 12 ® ® 40
fiS
7'/2 -9
195 hp R45TS 0.045 Electronic 6© © ® 26 ® 7
1
/2-9 1979
225 hp R45TS 0.045 Electronic 12 ® © 40 ® 7
1
/2-9
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