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Re: [GMCnet] muffler and placement [message #159633 is a reply to message #159631] Wed, 08 February 2012 12:48 Go to previous messageGo to previous message
Keith V is currently offline  Keith V   United States
Messages: 2337
Registered: March 2008
Location: Mounds View,MN
Karma:
Senior Member
emerystora wrote on Wed, 08 February 2012 12:34

Sully

The way that the intake manifold crosses from one side to the other means that the fuel from both injectors is going to pistons on the left and on the right of the engine. So, taking a O2 reading on one side of the exhaust means that I am really getting both "sides" of the engine. I think that you will find that most people hook up their TBI system this way.

The farther you get from the engine block the more that you might need a heated O2 sensor. I have always used one.

Emery Stora




My O2 sensor is just after the header.
it's too hot there, keeps over heating, so I'll have to move it back a ways.

BTW, I really didn't want to cut down the muffler, but it was the second one I had paid for, and wasn't about to go 3 for 3


Keith Vasilakes
Mounds View. MN
75 ex Royale GMC
ask me about MicroLevel
Cell, 763-732-3419
My427v8@hotmail.com
 
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