L78 cam specifications

[BBIGG BLOCK 396]

can someone post the specs on a L78 396 375hp camshaft,I know it was solid lift but I need the lift,duration and lobe seperation and any other information on one

Thanks

Bobby

[JChlupsa]

Hope this helps:
1966 = 396/375 HP-M lifter/.520 intake lift/.520 exhaust lift//336 intake duration//336 exhaust duration//1.70 rocker ratio//3863143 part number//3863144 casting number//OMO casting symbol

1967 = M-lifter//.520 IL//.520 EL//316 ID//302 ED//1.70 RR//3904362 PN//3904366 CN//OMO CS

1968 same as 1967

1969 = M lifters///.520 IL//.520 EL//316 ID//302 ED//1.70 RR//3863143 PN//3863144 CN//OMO CS

From Chevy by the Numbers 65-69

[COPO PETE]

You can still buy the cam from GM complete with lifters.
Peter

[Chevy454]

Ahh...I see you made it on, Pete!

Who makes GM's cams? Crane?

[COPO PETE]

I'm a slow learner, but here I am. Yes, Crane makes the GM cams.
peter

[JoeC]

you can read the cam specs on the Crane web site

[Chevy454]

Good thinking, Joe.

Here is the cam card on the L-78/L-71/L-72/LS-6 cam:

http://www.cranecams.com/master/apps/chevy55.htm#5. Blueprint