- As you can see the hole is enlarged slightly
- manifold.jpg (29.12 KiB) Viewed 459 times
- No threads
- Exhaust pipe.jpg (20.52 KiB) Viewed 459 times
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NPT is defined by ANSI/ASME standard B1.20.1.
Nominal Pipe Size is loosely related to the inside diameter of Schedule 40 pipe. Because of the pipe wall thickness, the actual diameter of the threads is larger than the NPS, considerably so for small NPS. Other schedules of pipe have different wall thickness but the OD (outer diameter) and thread profile remain the same, so the inside diameter of the pipe is therefore different from the nominal diameter.
pickerandsinger wrote:As I always say, " I ain't no plumber, or no plumber's son, but I'll be your plumber, till your plumber comes"....
A bunch of guy did that during Nam.....Unfortunately they came back I'd rather fix something than buy it new if possible....I enjoy the challenge and friendship of people on the forum who offer to help this poor white boy.....hurleyjd wrote:How about spending $95 and buying a new manifold, problem solved for your lifetime. Yes Rudy doing pretty well here, if our government does not get together and solve some problems, I will get some real estate dealers name from you and move north.
Don't know its a saying some of the old boys used at work....DaveBill E Bob wrote:pickerandsinger wrote:As I always say, " I ain't no plumber, or no plumber's son, but I'll be your plumber, till your plumber comes"....
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