KEITH BLACK STAGE 10 BLOCK.
Mains are saddled professionally. Main line is straight.
New main caps 3 seasons ago.
New spare main caps included.
Always ran on methanol
Never windowed but needs repair.
Main webbing is cracked on each side of #3 and # 4 mains.
See pics where there are black marker lines on each side of the cracks. Also a black circle where a rod bumped the wall of the block. No hole.(weld from inside)