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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===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. 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. | + | 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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