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Old 08-04-2013, 12:17 AM   #64
bojak
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Join Date: Oct 2012
Location: atlanta, GA
Posts: 222
Re: 20 mpg hijack thread

I have some updates and questions. I have new headers on with tru duel exhaust run out. Installed new spark plugs, new wires, new cap and button, throttle body spacer, new fuel filter, and fresh oil change with some purple. I had to put new motor mounts as well as I was having some clearance issues with headers and transfer case from some worn out ones.
Today was my first day out on the road with it for any real time so it was my shake out run and also my first chance to get some new mileage data.
The drive was interesting. I'm new to headers so I am not sure about some of my observations. From a stop to getting moving it seems to bogg down just a little. This was under very light acceleration as was trying to see my best mileage. When you step on it it seems fine. At an idle it will be fine for a minute but then it will sputter after a minute or two. Never cut all the way out but sounded like it might. That was at idle under no accelerator input. Also under anything other than very gentle braking my collectors for the passenger side header is still contacting my drive shaft causing a very unpleasant sound. I thought / hoped the new motor mounts were the correction for that. I will complete my mileage data tomorrow but wanted to update my progress and get some feed back if possible from you guys who may know more about these kind of issues. Thanks for any advice.
On a possitive note the header exhaust set up sounds great for my taste. 2 1/2 straight back to turbo quiet mufflers turned out to the sides at rear bumper. Civil in parking lots and cruising but growls when I get down on it.
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