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#21
06-20-2026, 11:35 AM
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Paul, I agree.
It’s hard to do harm with a Dremel tool , but then again I have seen the work of one SBC guy where he removed the whole bottom cut out of bowl with his Dremel thinking that’s what a bowl blend job was. It must have taken him 6 hours of work with that tool and 12 Dremel grinding stones to do all 8 intake ports . If a RA4 head has been messed up by hack porting it, yet flows lets say 245 to 250 cfm at .600” lift, then there’s a good chance it can still be saved if the motor there going to be used on can use the port area that 200 CC or so Intake port will end up being.
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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; 06-20-2026 at 11:43 AM. |
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