|
|
|
|
|
Profile
Number |
Advertised Timings
|
DURATION
|
VALVE LIFT
|
TAPPET
CLEARANCE |
REMARKS
|
||||||||||
|
Ex Op.
B.B.D.C. |
Ex Cl
A.T.D.C |
In Op.
B.T.D.C. |
In Cl
A.B.D.C |
Advertised
|
@ 0.050"
|
Gross.
|
@ T.D.C.
|
Ex.
|
In.
|
|
|||||
| 1086 | 75 | 19 | 19 | 71 | 274 | 270 | 0.450" | 0.450" | |||||||
| 1086X | 71 | 23 | 25 | 65 | 274 | 270 | 0.450" | 0.450' | |||||||
| 1081T | 79 | 25 | 32 | 72 | 284 | 284 | 224 | 224 | 0.465" | 0.465" | |||||
| 1081 | 76 | 28 | 32 | 72 | 284 | 284 | 224 | 224 | 0.480" | 0.480" | |||||
| 669 | 65 | 25 | 25 | 65 | 270 | 270 | 233 | 233 | 0.440" | 0.440" | |||||
| 0.610" | 0.610" | ||||||||||||||
Notes
* Roller Camshafts available in 302 or 351 Firing order
* Bronze oil pump gear may be required
* For larger profiles see Chevrolet small block.
*
