L6 Camshafts
From Factory 4 R And D
This page contains information in regards to the Inline 6 Nissan L-Series Camshafts. For information on the Inline 4 Camshafts please visit L4 Camshafts.
The Camshafts installed within the L6 Nissan L-Series motor are cross compatible. This can result in matching combinations that excel in a desired manner. The table below lists the most common of the L-Series cams and their attributes. Please note that the following table does not contain a complete catalog.
[edit] L6 Camshafts Specifications
| Engine | L24 | L26 | L28 & L28E | L28E | L28ET | L28ET | L28ET | L24E |
|---|---|---|---|---|---|---|---|---|
| Head | E31/E88 | E88 | N42/N47/P79 | P97 | P90 | P90 | P90S | N47 |
| Cam Mark | A | C | A | F | B | J | M | E |
| Date | All | All | < 8/81 | > 9/81 | < 7/82 (Auto) | < 7/82 (Man) | > 8/82 | All |
| Part # | 13001-E1426 | N3626 | E4126 | P7980 | P3026 | P9580 | P9980 | S6280 |
| Intake Duration | 248 | 256 | 248 | 240 | 240 | 240 | 240 | 240 |
| BTC Intake Opens | 16 | 20 | 16 | 16 | 12 | 12 | 16 | 22 |
| ABC Int Closes | 52 | 56 | 52 | 44 | 48 | 48 | 44 | 38 |
| Int Center Angle | 18 | 18 | 18 | 14 | 18 | 18 | 14 | 8 |
| Exhaust Duration | 248 | 256 | 248 | 248 | 248 | 240 | 240 | 240 |
| BBC Exh Opens | 54 | 58 | 54 | 58 | 54 | 52 | 54 | 54 |
| ATC Exh Closes | 14 | 18 | 14 | 10 | 14 | 8 | 6 | 6 |
| Exh Center Angle | 20 | 20 | 20 | 24 | 20 | 22 | 24 | 24 |
| Lobe Centers | 109 | 109 | 109 | 109 | 109 | 110 | 109 | 106 |
| Cam Lift Intake | 7.35 | 7 | 7.35 | 7 | 7 | 7 | 6.75 | 7 |
| Cam Lift Exh | 7.35 | 7.35 | 7.35 | 7.35 | 7.35 | 7 | 6.7 | 7 |
| Valve Lift Int | 10.5 | 10 | 10.5 | 10 | 10 | 10 | 9.6 | 10 |
| Valve Lift Exh | 10.4 | 10.4 | 10.4 | 10.4 | 10.4 | 9.9 | 9.5 | 9.9 |
The camshaft mark can be located on the firewall end of the camshaft.
[edit] Note
This list is by no means exhaustive. Engines like the LD28, L23, and L20A haven't been included due to their scarcity or general obscurity.
