Intake block off
Intake block off Got my intake back from the machine shop and asked to have egr blocked off. I got it back with just one block off plate. Machine shop said it didnt need the other one blocked off. Is this true?
ok. Thats what I thought. I'll head to Lowes tomorrow and get a piece of sheet metal. On another note, what RTV is everyone using on the front and back of the intake "china wall"?
Not true. The EGR block off plate is all that is needed. Blocking off the tube port on the manifold is redundant since the passageway to the tube is plumbed through the EGR port that is blocked off. On the EGR side you will notice there are two ports. One is for the gasses from the EGR tube, which go through the port, into the EGR valve and back into the manifold. The shop is right in that only the EGR block off plate is needed.
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Its info came directly from a Permatex rep. He said to NOT us the Red, Blue or Clear sealants because they were "old school" and not designed to hold up to todays conditions. He said ONLY use the Ultra products like grey or black. The grey was designed to mate aluminum (color) and the black everything else. Grey had a slightly higher temp rating but they were basically the same except color. I asked the obvious question, "why sell it if its junk?" He said because when they stopped making it they lost 2 million a year to the chinese who still make the cheap junk. People are set in their ways and are going to use what they have always used. Sorry to ramble...
I used THE RIGHT STUFF sealant made bye permatex this is the stuff the factory uses on crate engines .never leaked a drop ,make sure your clean the area real well with brake cleaner first.i prefer 3m brand brake cleaner but just about any will work .When sitting the intake in place make sure to sit it in place dont slide it around to get it in place.good luck
