Blog
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
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.
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.