Cadillac engine knowledge
From Crankshaft Coalition Wiki
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[[Image:Cadsuburban.jpg|frame|A Cadillac engine in an early Suburban]] | [[Image:Cadsuburban.jpg|frame|A Cadillac engine in an early Suburban]] | ||
[[File:Caddyv12.jpg|thumb|500px|Mid-'60s Caddy V12 60 degree SOHC engine- never reached production]] | [[File:Caddyv12.jpg|thumb|500px|Mid-'60s Caddy V12 60 degree SOHC engine- never reached production]] | ||
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==1960-'69 general engine specifications== | ==1960-'69 general engine specifications== | ||
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<td colspan="2" align="center"><b>Engine<br>HP|CID</b></td> | <td colspan="2" align="center"><b>Engine<br>HP|CID</b></td> | ||
<td align="center" ><b>Carb</b></td> | <td align="center" ><b>Carb</b></td> | ||
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==1968-'76 general engine specifications== | ==1968-'76 general engine specifications== | ||
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! Year !! CID !! Fuel !! Horsepower<br>@ RPM !! Torque<br>@ RPM !! Bore x Stroke<br>(inches) !! Compression<br>Ratio | ! Year !! CID !! Fuel !! Horsepower<br>@ RPM !! Torque<br>@ RPM !! Bore x Stroke<br>(inches) !! Compression<br>Ratio | ||
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===Intake=== | ===Intake=== | ||
| − | The stock intakes used on the 472/500/425 engines leave a lot to be desired. They are a very low rise design, some are single plane, but not in a high performance sense. | + | The stock intakes used on the 472/500/425 engines leave a lot to be desired. They are a very low rise design, some are single plane, but not in a high performance sense. Also, the stock intake is of a "negative plenum" design in which the air/fuel mixture actually flows below the intake port, then back up to the port-not good for flow. It was made this way to clear the Eldorado hood, and consequently these aftermarket intake manifolds will not clear the stock Eldorado hood. |
MTS/CHP, Edelbrock and others make aluminum aftermarket intakes that are better suited for high performance duty. | MTS/CHP, Edelbrock and others make aluminum aftermarket intakes that are better suited for high performance duty. | ||
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===Cam timing/degreeing=== | ===Cam timing/degreeing=== | ||
| − | The stock cam can benefit from advancing the cam timing 2 degrees, as these engines had retarded cam timing in stock form for emissions. Attach the degree wheel to the crank with a 9/16- | + | The stock cam can benefit from advancing the cam timing 2 degrees, as these engines had retarded cam timing in stock form for emissions. Attach the degree wheel to the crank with a 9/16-18 fine thread bolt. |
==Transmission bolt patterns== | ==Transmission bolt patterns== | ||
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==Forums== | ==Forums== | ||
*[http://www.cadillacpower.com/forum/ Cadillac Power forum] | *[http://www.cadillacpower.com/forum/ Cadillac Power forum] | ||
| − | *[http://caddy500.com/ High Performance Big Block Cadillacs | + | *[http://caddy500.com/ High Performance Big Block Cadillacs fo |
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