fender racing with my brother

The 70 is my brother's car.
360LA 10:1, j head, Comp 282S 727 3200 conv, 430 gear
Motor is getting home ported X heads and new XS282

67 is mine.
360 Magnum 9.3:1, home ported heads, 234@50 lunati HR, 904 3200 conv, 391 gear

Is the 67 using stock magnum heads??

Jake