Cadillac engine knowledge
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The stock EFI is not very good for performance applications, it does not keep up with aftermarket cams. You need to change the fuel injectors for high flow ones, and use a fuel pump with a return line. The stock EFI will only handle approximately 300 hp max, they're hard to find replacement parts for. There were more Cadillacs made with the 800 cfm Q-jet than with EFI. And what's worse is the EFI equipped engines didn't make much more hp then the carbed versions. | The stock EFI is not very good for performance applications, it does not keep up with aftermarket cams. You need to change the fuel injectors for high flow ones, and use a fuel pump with a return line. The stock EFI will only handle approximately 300 hp max, they're hard to find replacement parts for. There were more Cadillacs made with the 800 cfm Q-jet than with EFI. And what's worse is the EFI equipped engines didn't make much more hp then the carbed versions. | ||
| − | + | ==Distributor and wires== | |
Point-type distributors are similar to the familiar Chevy and use the same internal parts, however the internal shaft and the housing are Cadillac-specific. Ignition parts for the HEI-style distributors are also the same as the Chevy engine uses, with a few exceptions. First, like the points distributor, the shaft and housing are Cadillac only. Also, the distributor will differ between carbureted and fuel injected engines. The fuel injected distributor has a position sensor under the main body that tells the computer the engine speed and when to trigger the proper injectors. If you're not sure what distributor you have, the carbureted version looks similar to the Chevy distributor. The fuel injected distributor has a square portion with a round 3-pin plug directly above the clamp area. The hold-down clamp used will depend on the distributor. They don't interchange, so get the clamp when you get the distributor. | Point-type distributors are similar to the familiar Chevy and use the same internal parts, however the internal shaft and the housing are Cadillac-specific. Ignition parts for the HEI-style distributors are also the same as the Chevy engine uses, with a few exceptions. First, like the points distributor, the shaft and housing are Cadillac only. Also, the distributor will differ between carbureted and fuel injected engines. The fuel injected distributor has a position sensor under the main body that tells the computer the engine speed and when to trigger the proper injectors. If you're not sure what distributor you have, the carbureted version looks similar to the Chevy distributor. The fuel injected distributor has a square portion with a round 3-pin plug directly above the clamp area. The hold-down clamp used will depend on the distributor. They don't interchange, so get the clamp when you get the distributor. | ||
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