Compression test
(→Dynamic compression ratio: fix link) |
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'''Disable spark and fuel''' | '''Disable spark and fuel''' | ||
| + | Ideally, warm up the engine first. Piston and rings are designed to provide optimum sealing at operating temperature. | ||
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On a vehicle with a electric fuel pump pull the fuel pump relay, let engine idle until it stalls out. For mechanical fuel pump, I think using a vise grip and 2 thin blocks of wood (to avoid crimping the soft line) on the rubber fuel line will work. This prevents fire hazard. | On a vehicle with a electric fuel pump pull the fuel pump relay, let engine idle until it stalls out. For mechanical fuel pump, I think using a vise grip and 2 thin blocks of wood (to avoid crimping the soft line) on the rubber fuel line will work. This prevents fire hazard. | ||
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