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I believe the ER80SD2 will give a higher strength weldment. ER70 is good for welding mild steel to c/m or if your looking for a more flexible weldment with c/m to c/m.
I've used 4140 rod, but it doesn't leave as pretty a weld.
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Donnie Wang
1984 BUICK Grand National with a baaad alcohol and nitrous chaser habit.
100% Methyl Alcohol Injected/ Nitrous Oxide Assisted/ Forced Inductions FI91X Turbocharged/ TA Performance blocked/ M&A headed/ DRW TH475 Transmission/ Neal Chance Racing Converters Pro Mod Torque Converter/ Moser Engineering 12 Bolt Rear Axle Housing
Warning: Do not try this at home without proper adult supervision.
Ultimate Stage I BUICK V6 v3.2
GN details
9.19@145 from a 224 CID
5.73@122.1 in the 1/8 mile. Latest best.
1.28 60 foot.
'Perseverence is the key to innovations endless possibilities and varieties locked within each of us.'
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