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Compression Ratio of L42 block and N42/P79 head combination for L 28 Engine Datsun 240Z 260Z 280Z

L28 N42 Block with N42 head or P79 head.     Engine Block: N42     Crankshaft:   L28     Connecting Rod: L28               Piston Head Gasket Head Compression Dished OEM N42 8.29   Dished Felpro N42 8.47   Flat OEM N42 9.82   Flat Felpro N42 10.08   Dished OEM P79 7.38   Dished Felpro P79 7.52   Flat OEM P79 8.52   Flat Felpro P79 8.71               Courtesy of Mr. G

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VIN Verification of US Datsun 240Z 260Z 280Z 280ZX JDM CAR PARTS

VIN Verification of US Datsun 240Z 260Z 280Z 280ZX

This chart will help you identify production date of your US model Z cars in case your have missing ID plate at driver's side door jam. 

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Will be closed between Dec 30 and Jan 7, 2018. Happy Holidays everyone!

Our regular shipping will resume on Monday, Jan 8th, 2018. All orders received after 12 pm Pacific Standard Time on Friday, December 29th will be shipped after Jan 8th, 2018. We sincerely thank you for your business and wish you a very happy new year.

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