If you HAVE to keep the Rochester and it has pipe threads you could try a helicoil style insert LINK. Full disclosure, I have not tried an NPT insert, but have used helicoils on straight threads a number of times.
Last edited by Gdads51; 09/05/202612:07 PM.
Kevin 1951 Chevy 3100 work truck Follow this saga in Project Journal Photos 1929 Ford pickup restored from the ground up. | 1929 Ford Special Coupe (First car) Busting rust since the mid-60's If you're smart enough to take it apart, you darn well better be smart enough to put it back together.
