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head rebuild

R

rray

Member
I would be interested to hear anyone's experience with a Neway valve seat cutter. I have a 53 Super A I am working on. If anyone has used this on a SA please let me know what size and angle you used.

Richard
 
If your talking about the Neway hand cutters I have a coupla sets that I bought used. Your head would need the 45º angle and all of the sets of hand seat cutters with the 45º angle were well used and not sharp enough to do much when tried. If you are thinking of buying a set of used you will most likely find the 45º angle cutter well used.
 
You will also need cutters to narrow the seat to the correct width. Depending on if you need to trim the bottom or the top of the new cut seat you will need 60 or 30 degree cutters as well. Get yourself a small tube of blueing so you know where your contact is.
 
Are you cutting and installing new seats(donuts) or just truing up the old ones? Seats should be ground not cut to make a good seal.
 
I must disagree with you on grinding seats. I have a complete neway valve seat cutter set with electric drives and I gave up grinding seats after using the cutters. I find it much easier and quicker to get a true seat with 3 distinct angles. For most work I recommend a 46 degree seat with a 45 degree valve or 31 degree seat with a 30 degree valve. I find using a good permanent marker as a way to check contact works best for me.
That being said, if your valve guides are worn all of this work will be for nothing.
 
I have Neway and have done many heads with them . The set comes with 46- 30 and 60 degree angles. I use both drying blue and non drying blue paste. No stones to true.
 
I've used Neway cutters for 12 years now. Very good product. My only frustration is the tiny Allen head screw that keeps the cutter tip on.
 
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