natalie42x Posted 6 hours ago Share Posted 6 hours ago Hello all! I bought a Brat a couple years back and she has been really good to me, except one of the previous owners installed an aftermarket turbo with a sidedraft Carter YH carb off an old corvair (it was a pretty cool setup). I however, live in California, and am trying to get it to pass smog. I am bringing it back to stock, and have it running with the Carter-Weber. The line marked in the first picture was originally running as a feed line for the turbo. I am planning on removing it and just installing a plug, but I am not sure what the stock condition was. The factory service manual is not immediately clear, Picture 3 shows a pressure switch installed on the non-GL models. However, Picture 4 seems to imply that the pressure switch is installed where the relief valve plug would be located (the line is coming from the block though and the relief valve plug is on the oil pump housing cover). My best guess is that on the GL models with the pressure gauge instead of switch, this port is plugged. TLDR: Can someone with a EA 81,1800cc, GL model; Send me a picture to see if that is plugged or if there is an oil line there that feeds elsewhere? Thanks! Link to comment Share on other sites More sharing options...
bushytails Posted 1 hour ago Share Posted 1 hour ago It's plugged on GLs, and has a switch on DLs, as the text says. Note the thread is 1/8 BSPT, not 1/8 NPT, but they're similar enough it usually fits. Also note if you swap in a DL engine into a GL, and then plug the wire into the switch, where the wire is exactly the length and position and connector to plug onto the switch, you cook the dash gauge. Seen that done twice now... Link to comment Share on other sites More sharing options...
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