Tim do it right but to do that you need to pull the head(s), that’s the hardest part.
Next drill the hole with a new 1/2”
Drill bit.
Get some 1/2” OD brass tubing from a hobby shop or order it from Grainger or micro mark.
Cut it to length full coat both the hole and tubing with JB weld and install it.
Let it harden for a full day and then cartridge roll sand away what you don’t need.
Sorry for your issue, but atleast you did not harm anything in a new motor.
Here in this photo of a max ported D port 16 head you can see how I did it.
__________________
Wernher Von Braun warned before his retirement from NASA back in 1972, that the next world war would be against the ETs!
And he was not talking about 1/8 or 1/4 mile ETs!
1) 1940s 100% silver 4 cup tea server set.
Two dry rotted 14 x 10 Micky Thompson slicks.
1) un-mailed in gift coupon from a 1972 box of corn flakes.
Two pairs of brown leather flip flops, never seen more then 2 mph.
Education is what your left with once you forget things!
Last edited by steve25; 09-10-2023 at 06:23 PM.
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