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#14878 - 05/31/02 03:09 AM L78 cam specifications
BBIGG BLOCK 396 Offline
old hand

Registered: 01/23/02
Posts: 1058
Loc: Porter Texas USA
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

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#14879 - 05/31/02 03:40 AM Re: L78 cam specifications [Re: BBIGG BLOCK 396]
JChlupsa Offline

Carpal Tunnel

Registered: 02/18/02
Posts: 7609
Loc: KS
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
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#14880 - 05/31/02 07:11 AM Re: L78 cam specifications [Re: JChlupsa]
COPO PETE Offline

veteran

Registered: 04/14/01
Posts: 1384
Loc: Glencoe, Ont. Canada.
You can still buy the cam from GM complete with lifters.
Peter
_________________________
Pete Simpson 1962-2013 RIP
Owen Simpson
Eric Simpson

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#14881 - 05/31/02 08:40 AM Re: L78 cam specifications [Re: COPO PETE]
Chevy454 Offline


Carpal Tunnel

Registered: 03/20/00
Posts: 11961
Loc: Alton, MO, USA
Ahh...I see you made it on, Pete!

Who makes GM's cams? Crane?
_________________________
Rob Clary - '69 Yenko Camaro

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#14882 - 05/31/02 10:15 AM Re: L78 cam specifications [Re: Chevy454]
COPO PETE Offline

veteran

Registered: 04/14/01
Posts: 1384
Loc: Glencoe, Ont. Canada.
I'm a slow learner, but here I am. Yes, Crane makes the GM cams.
peter
_________________________
Pete Simpson 1962-2013 RIP
Owen Simpson
Eric Simpson

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#14883 - 05/31/02 10:35 AM Re: L78 cam specifications [Re: COPO PETE]
JoeC Offline
Carpal Tunnel

Registered: 04/01/00
Posts: 2662
Loc: ri
you can read the cam specs on the Crane web site

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#14884 - 05/31/02 10:57 AM Re: L78 cam specifications [Re: JoeC]
Chevy454 Offline


Carpal Tunnel

Registered: 03/20/00
Posts: 11961
Loc: Alton, MO, USA
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
_________________________
Rob Clary - '69 Yenko Camaro

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