What are 862 heads?
Slightly smaller 62-63cc chamber, smaller cc runners.
2.02 is a slightly oversize (but common) intake valve size, but a 1.60 exhaust valve is huge.
1.55/1.57 is the norm on modded 5.3s.
LS6 heads are all numbered 243.
2.02 is a slightly oversize (but common) intake valve size, but a 1.60 exhaust valve is huge.
1.55/1.57 is the norm on modded 5.3s.
LS6 heads are all numbered 243.
Thread Starter
Staging Lane
Joined: May 2006
Posts: 74
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Originally Posted by Thimble
Slightly smaller 62-63cc chamber, smaller cc runners.
2.02 is a slightly oversize (but common) intake valve size, but a 1.60 exhaust valve is huge.
1.55/1.57 is the norm on modded 5.3s.
LS6 heads are all numbered 243.
2.02 is a slightly oversize (but common) intake valve size, but a 1.60 exhaust valve is huge.
1.55/1.57 is the norm on modded 5.3s.
LS6 heads are all numbered 243.
Thanks for the info, I appreciate it
