MTFCA Forum

Just received my Neway Valve Seat Cutter. Waiting on a bottle of Dykem Red layout fluid. Hope to get started early next week. I called Neway on the phone to order, and they were very helpful telling me exactly what I needed for the T. I got the 30°, 45°, and 60° cutters. Several good videos on Youtube make it look pretty straight forward, and the instructions with the kit are easy to follow.

You’ll do some serious work with that puppy.

Follow the directions

install the pilot firmly, with care

use slow, light cuts, straight down - absolutely avoid any side/side pressure on the cutter especially when cutting a surface that has an interrupted/incomplete cut due to ovality of the hole. Point being, do not allow the cutter to "seek" the center of the misshapen hole - that solid pilot will deflect and your hole will not be perfectly concentric to the valve stem's hole.

to the extent that you are able, do all 3 cuts with one installation of the pilot, trying to avoid multiple removals/installations of the pilot during the remediation of a given valve

good luck and have fun - a job well done will provide a lot of satisfaction

Thanks Scott, this will be fun. I got it running about 6 weeks ago, but had very little compression in 3 and 4, so this should fix that. This kit had a lot of good reviews on this site, so I felt it was the best way to go.

Just to add a bit to Scott’s description of how to use Neway Valve Seat cutters, make sure you clean the valve guides throughly before installing the pilots. Use a bore brush if you have one.

Respectfully Submitted,

Trent Boggess

Any problems with using these with the engine in the car? #4 exhaust? Can you post a rough price of the complete Neway kit? thanks

bobt, my cost for the kit was $295 including shipping, and I will be doing the job it in the car.

Would well-worn valve guides cause problems?

This is what my mentor (he built racing engines) taught me about valve guides.

You need .002-.0025” clearance between a Model T valve guide and the valve stem. Less than that increases the likelihood of a sticky valve. That clearance also allows the valve to find the best position to seal at. Model Ts have such low compression that you really have to get the valves to seal tightly, otherwise you will lose compression and power.

When reaming a valve guide, 1) use the proper size reamer, and 2) use a guide to center the reamer over the middle of the seat when reaming the valve guide. Use something like a Stevens style valve guide reaming fixture.
Respectfully Submitted,

Trent Boggess