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Written by Administrator
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Tuesday, 15 November 2005 |
***KEY***
TDC-Top Dead Center
BTDC-Before Top Dead Center
BBDC- Before Bottom Dead Center
ABDC- After Bottom Dead Center
ATDC- After Top Dead Center
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2.0L DOHC 420A
Bore-3.445”
Stroke-3.267”
Displacement-121.8ci
Cylinder compression pressure- 170-225 psi
Max. Cylinder compression difference- 25%
Min. Intake manifold vacuum- 18 hg
Intake valve timing:
**Opens 1.3 degrees BTDC
**Closes 39.7 degrees ABDC
Exhaust valve timing:
**Opens 36 degrees BBDC
**Closes 1.1 degrees ATDC
Base idle oil pressure 4psi @ 800rpm
Stock spark plug and gap- Champion RC9YC5 @ .048”-.053”
Thermostat setting temp-195 degrees F
2.5L SOHC 6G73
Bore-3.29”
Stroke-2.992”
Displacement-152ci
Cylinder compression pressure- 178-182psi
Max. Cylinder compression difference- 25%
Min. Intake manifold vacuum- 15 hg
Intake valve timing:
**Opens 19 degrees BTDC
**Closes 45 degrees ABDC
Exhaust valve timing:
**Opens 49 degrees BBDC
**Closes 15 degrees ATDC
Base idle oil pressure 11psi @ 750rpm
Stock spark plug and gap- Champion RC10PYP4 @ .039”-.044”
Thermostat setting temp-180 degrees F
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