Cat Cams camshaft for Renault C1J.782 / 784 / 788 engine
Brand : Cat Cams
Condition : New
Model : Renault C1J.782 / 784 / 788
Product : Camshaft
For C1J.782 / 784 / 788 engines documented for the R5 GT Turbo, R9 Turbo and R11 Turbo. Length 384 mm, single chain, four 37.94 mm journals. Profile E is for a naturally aspirated build only and must not be chosen for a turbo configuration.
| Profile | Duration at 0.1 mm intake / exhaust | Duration at 1 mm intake / exhaust | Valve lift intake / exhaust | Lift at TDC intake / exhaust |
|---|---|---|---|---|
| Profile A | 249 / 249° | 212 / 212° | 8.15 / 8.15 mm | 1.00 / 0.95 mm |
| Profile B | 260 / 260° | 218 / 218° | 8.60 / 8.60 mm | 1.25 / 1.25 mm |
| Profile C | 278 / 269° | 234 / 226° | 9.40 / 9.00 mm | 2.00 / 0.90 mm |
| Profile D | 286 / 278° | 242 / 234° | 9.80 / 9.40 mm | 2.00 / 1.60 mm |
| Profile E | 290 / 290° | 230 / 230° | 9.20 / 9.20 mm | 1.55 / 1.60 mm |
Profile A : Manufacturer exterior spring configuration: original, subject to checks.
Profile B : Manufacturer exterior spring configuration: original, subject to checks.
Profile C : Manufacturer exterior spring configuration: specific springs, not stated as supplied with the camshaft. Competition applications only. Independent engine management with a throttle position sensor or carburettors is required. At least 0.6 mm between valve seal and retainer at full lift.
Profile D : Manufacturer exterior spring configuration: specific springs, not stated as supplied with the camshaft. Competition applications only. Independent engine management with a throttle position sensor or carburettors is required. At least 0.6 mm between valve seal and retainer at full lift.
Profile E : Manufacturer exterior spring configuration: specific springs, not stated as supplied with the camshaft. Only for dirt track and prepared applications with adjustable engine management or carburettors. At least 0.6 mm between valve seal and retainer at full lift.
Camshafts must turn freely in the head, with machining where necessary; at least 0.6 mm between valve seal and retainer at full lift; at least 1 mm of remaining spring travel; at least 1 mm valve to piston clearance, preferably 1.5 mm. Check 5 to 15° before TDC on the exhaust and after TDC on the intake.
The figures and restrictions below are provided by the manufacturer. A professional must install and time the camshafts after checking the valve train, clearances, springs and engine management compatibility. Performance preparation part, with no claimed power gain or road approval. Manufacturer information for original springs and components does not replace mechanical checks. Image for reference only; no additional accessories are specified.
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Brand
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VehiclesRenault C1J.782 / 784 / 788