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- Newsgroups: rec.autos.tech
- Path: sparky!uunet!stanford.edu!leland.Stanford.EDU!tedebear
- From: tedebear@leland.Stanford.EDU (Theodore Chen)
- Subject: Re: Blueprinting - What is it.
- Message-ID: <1992Aug17.175304.4557@leland.Stanford.EDU>
- Sender: news@leland.Stanford.EDU (Mr News)
- Organization: DSG, Stanford University, CA 94305, USA
- References: <JTW.92Aug7202843@pmws.lcs.mit.edu> <1992Aug10.072900.6950@btcase.bt.co.uk> <66032@hydra.gatech.EDU>
- Date: Mon, 17 Aug 92 17:53:04 GMT
- Lines: 16
-
- In article <66032@hydra.gatech.EDU> gt8166a@prism.gatech.EDU (DOERSCHUK,DAVID OAKES) writes:
- [description of blueprinting]
- >1. Take a die grinder and smooth the interior of the ducts.
- >
- >2. Put the sheet of blue carbon-paper-like material between
- > the ducts, and bolt the ducts together. Then unbolt'em.
- > From the pattern of blue carbon on the 2 duct faces (i.e.
- > the exhaust manifold and the head) and also by looking at the
- > pattern on the blue sheet itself, you can figure out what
- > parts of the manifold or head need to be ground away to
- > make the junction smooth.
-
- then what's porting and polishing?
- is that the same as blueprinting?
-
- -teddy
-