Drill a hole? There's already a port in the J pipe before the cat for testing; no need to drill a hole. Marc Perdue John Brush wrote: > In <BA72E275.2467%msutts@earthlink.net>, on 02/14/03 > at 06:14 PM, Matt Sutton <msutts@EARTHLINK.NET> said: > > >Well, besides rusty, no idea. From the PO service records I have, it > >hasn't been replaced. The pressure at the tail pipe is pretty weak... Is > >there a simple back pressure test? > > Thanks for your reply, I hadn't thought of the cat. Should've though- > >it'd been having that accelerating-through-cold-molasses feeling that I > >experienced on an old dodge van. > > -Matt > > Many muffler shops will do a cat test for nothing. They just drill a small > hole ahead of the cat, and measure the input vs the output. Of course, > with a vanagon exhaust, who knows where they will drill :-) but if you > keep an eye on em, it should be okay to let em test it. > > John |
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