lasteagle83
Active member
- Joined
- Feb 12, 2009
- Messages
- 32
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Neat old valve grinding machine...Atlanta CL
- Thread starter lasteagle83
- Start date
Packard V8
Well-known member
With new valves coming in from offshore so cheap, hardly anyone is refacing valves anymore. It has to be something obsolete and irreplaceable to be worth the trouble. Moreover, since no-lead gas, most old valves are pretty used up.
thnx, jack vines
thnx, jack vines
-B-
Well-known member
Those old valve grinding machines scream for refurbishment in to tool and drill sharpeners.
rsanter
Well-known member
those old B&D machines can be good machines.
you need to look at the condition of the ways and you need to be sure that the valve stem collets are there and in good shape.those machines were discontinued in the late 70s and in the late 80s they started eliminating replacements parts for them.
I think that machine is overpriced unless it is in excellent or better condition.
I have had several of those B&D units. currently I have a sioux 680 valve grinder and both a B&D and sioux seat grinder setup
replacement valves are not as expensive as they used to be (relativly speaking), however I still will use the valve grinder on new valves to put anywhere from 1 to 3 back angles on the valve to help the transition from the valve head and over the valve seat. this will help the low lift flow.
since the 80s I have been doing anywhere from 3 to 7 angle seat grinds (depending on what the heads will be used for) to improve the low lift flow over the valve and seat. this practice has been somewhat obsoleted by the full radius valve seat cutter.
those still have their place with us old school guys
bob
you need to look at the condition of the ways and you need to be sure that the valve stem collets are there and in good shape.those machines were discontinued in the late 70s and in the late 80s they started eliminating replacements parts for them.
I think that machine is overpriced unless it is in excellent or better condition.
I have had several of those B&D units. currently I have a sioux 680 valve grinder and both a B&D and sioux seat grinder setup
replacement valves are not as expensive as they used to be (relativly speaking), however I still will use the valve grinder on new valves to put anywhere from 1 to 3 back angles on the valve to help the transition from the valve head and over the valve seat. this will help the low lift flow.
since the 80s I have been doing anywhere from 3 to 7 angle seat grinds (depending on what the heads will be used for) to improve the low lift flow over the valve and seat. this practice has been somewhat obsoleted by the full radius valve seat cutter.
those still have their place with us old school guys
bob