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Old 03-13-2022, 10:44 AM   #49
jjzepplin
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Join Date: Feb 2012
Location: Ruskin Florida
Posts: 4,546
Re: New 2 ME 14 Sierra SWB 5.3-6spd Hope I didn't blow it...

So after getting the broken bolt out and successfully removing the rest of them, I put the Speed Engineering headers on. I was able to get the front O2 sensors to reach the headers. The header Y pipe has a fitting for a Fuel ratio sensor which is nice and I will be getting one of those before I attempt to tune it. I connected the headers to the stock muffler with that last little muffler thingy removed and not sure what to do with the valve flapper dealy. I think they put that there for the AFM to not sound so bad through the exhaust. These headers fit nice and slipped right in from the bottom. The only thing I am not a big fan of is the Clamping system allows for small leaks. I will fiddle with them occasionally to see if I can correct this. They are much louder than I expected with the big 3" Y pipe. A very noticeable acceleration improvement.
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70 swb 4x4 406sbc 700r4 203/205 d60/14blt locker yadda yadda http://67-72chevytrucks.com/vboard/s...88#post6935688 Yeller
72 Blazer 2wd conversion project "No Daggum Money" http://67-72chevytrucks.com/vboard/s...d.php?t=550804 LS1-T56 3.73 LSD super budget build
Blanco-2014 Sierra SWB https://67-72chevytrucks.com/vboard/...d.php?t=810350
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