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IMP - DAVRIAN - GINETTA - CLAN |
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PARTS & SERVICES PRICE LIST |
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CYLINDER HEADS - RECONDITIONED EXCHANGE (Sc>non exchange surcharge) |
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| Specification: Casting pressure tested, stud, bolt threads reclaimed as necessary, gasket surfaces refaced, new valves, guides and springs, valve seats recut (3 angles to correct width of seat and improves air flow) | ||
| MK1 assembled ready to fit cam/carrier etc | (Sc>30.00) | 160.00 |
| MK2 (as above) | (Sc>20.00) | 160.00 |
| L4 (late MK2) (as above) | (Sc>20.00) | 168.00 |
| SPORT (as above) | (Sc>60.00) | 170.00 |
| FULL HEAD ASSEMBLY | ||
| As above inc refaced tappets serviceable cam/carrier + clearances set etc | ||
| MK1 assembled ready to fit to engine block | (Sc>50.00) | 190.00 |
| MK2 (as above) | (Sc>40.00) | 190.00 |
| L4 (late MK2) (as above) | (Sc>60.00) | 220.00 |
| SPORT (as above) | (Sc>80.00) | 230.00 |
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Above heads converted to unleaded details below |
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| UNLEADED HEAD CONVERSIONS | ||
| As there seems to be conflicting views on whether the Imp engine can survive running on unleaded fuel, logically thinking, as the lead in the fuel acts as a lubricant between the valve and valve seat faces (these contacting faces on an exhaust at full power can reach temperatures of 700C+ degrees) and although the exhaust valve is austinetic steel (non-magnetic) which are used in some engines designed for unleaded fuel, however the grey cast iron seats which are adequate when (cushioned) by the lead, will not give the same intended service when is is removed. Therefore I recommend at the very least that the exhaust seats be upgraded with: Aluminium bronze (BS2874) which I use for Comp/Race heads. If your annual mileage is 3000 or less, then bronze exhaust seats should be adequate. | ||
| i.e. (unleaded conversion) | UL1 | |
| 3-6000 + miles, seats (UL1) + 214N exhaust valves | UL2 | |
| 10000 + miles, (bolt and braces approach) UN2 + bronze inlet seats/guides and 214N inlet valves | UL3 | |
| UNLEADED (Conversion only) | ||
| UL1 includes degrease, replace exhaust seats + guides, blend seats to throats and cut/dress seat faces ready to fit valves | 120.00 | |
| UL2 includes AS ABOVE + engine set of 214N exhaust valves | 160.00 | |
| UL3 AS ABOVE + bronze inlet seats + guides + 214N inlet valves | 300.00 | |
| UNLEADED CONVERSIONS WHEN INCLUDED WITH RECONDITIONING | ||
| Reconditioned head prices (top of page) plus 100.00 for UL1 | ||
| Reconditioned head prices (top of page) plus 140.00 for UL2 | ||
| Reconditioned head prices (top of page) plus 250.00 for UL3 | ||
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REG PATTEN Phone/Fax: 020 8661 0183 |
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R.S. Patten • 116 Courtney Crescent • Carshalton • Surrey • SM5 4NB |
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