GM Service Manual Online
For 1990-2009 cars only

Engine Application

Option

OE Catalog

CCA Rating (Amperes)

RC Rating (Minutes)

Load Test (Amperes)

Replacement Catalog No.

5.7L (L31)

base

810

600

115

300

78-6YR

5.7L (L31)

w/Z56

814

770

115

390

78-7Yr

6.5L (L65)

base

810

600

115

300

78-6YR

6.5L (L65)

w/YF2

812

690

115

350

78-7YR

7.4L (L29)

All

810

600

115

300

78-6YR