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Discussion Starter · #1 ·
Okay guys, looks like I may be do some maintenance that may be fun. Popped the hood the other day to find Antifreeze all on the front of the block. Looked all over for a loose hose and finally checked the cap. The cap will come loose either way you twist it!! Someone (previous owner or service person) had tried to tighten the cap so hard that they had broken off the tabs that you turn it to toning cap on tight. So I'm assuming that a new radiator is in the cards for me as the neck is mot repairable/ replaceable and wanted some first hand feedback on the best deal on an all aluminum radiator and what your opinion on them is.

Now when it rains it pours. I'm hearing an exhaust leak particularly on startup and shortly after the engine warms it goes away. It sounds up close to the block so I'm assuming it's either a cracked manifold or the exhaust gasket on the block. My question is as far as the people of "the fleet" we have here who have Doug Thorley headers, who have the regular long tubes and who have spent the extra bucks on the tri-ys?? I have an opportunity where I could get the Tri-Ys for only about $75 more than the regular and want to know from real world experience whether it was worth the extra change?? also with the DTs, do you have to extend your o2 sensors on the harness side like I did with the Stillens on my old Titan?? Any help you guys can give even on figuring out exactly what's wrong please Let me know.
 

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You will not have to extend the wiring for the A/F sensors like you did on the Stillens. You will have to move the O2 sensors to a point behind the cats in the B pipes. The wiring will reach there also.
 

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You will not have to extend the wiring for the A/F sensors like you did on the Stillens. You will have to move the O2 sensors to a point behind the cats in the B pipes. The wiring will reach there also.
You're talking about the 2nd set (post cat) sensors right? Not the first set that plug into harness behind the valve covers
 
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