LT1-LT4 Modifications 1993-97 Gen II Small Block V8

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Old Jan 31, 2010 | 02:52 PM
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cumminsram06's Avatar
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Default Another Header Question

Thanks to information provided by several members here it appears I have an exhaust leak prior to my o2 sensors causing me an overly rich condition resulting in terrible fuel mileage. So, since I wanted headers anyway it's just the reason I needed!
I was looking on eBay at several off-brand long tube options and they are very reasonable in price, plus several people here have he good luck in using them. My question is what length o2 extensions do I need to run them? Also is there anything else I should get before I install them? I plan on doing plugs and wiresmat the same time as well as blocking off the egr and air fittings.
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Old Jan 31, 2010 | 03:37 PM
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RamAir95TA's Avatar
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Originally Posted by cumminsram06
Thanks to information provided by several members here it appears I have an exhaust leak prior to my o2 sensors causing me an overly rich condition resulting in terrible fuel mileage. So, since I wanted headers anyway it's just the reason I needed!
I was looking on eBay at several off-brand long tube options and they are very reasonable in price, plus several people here have he good luck in using them. My question is what length o2 extensions do I need to run them? Also is there anything else I should get before I install them? I plan on doing plugs and wiresmat the same time as well as blocking off the egr and air fittings.
Thanks
I think for my LPPs I used 2 12" extensions. Get yourself a good gasket like the Felpro 1406s and a nice stainless 12-point 1" header bolt.
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Old Jan 31, 2010 | 04:30 PM
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i got some off ebay and didnt need one for the drivers side, pass side soldered in about 13 inches of wire to extend them and tuck them up out of the way which you can do if you do a good job.
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