Timing Light Accuracy

After using a buddy's Matco timing light this weekend, it gave the same reading as my old Craftsman. Apparently this little 340 just likes a TON of initial ignition timing - I ended up with 30* initial.

AJ/FormS said

Those are Iron heads, right? Glad you figured out how to make that work. I bet that's a sharp combo.

Click to expand...

Yes, they're iron heads.