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Message: <blockquote data-quote="ryclef331" data-source="post: 204293" data-attributes="member: 8067">Off the bat, I'm going to say your timing is off....WAY off as in retarded. Retarded timing means that you plugs are firing WAY later than they should so the combustion process is CONTINUING in the exhaust pipes causing excessively high temps. IF you're timing is correct, make sure its advanced and NOT retarded (been guilty of that myself). IF you're sure the timing is correct on your balancer...are you still running the stock balancer? It could have easily slipped on you and is not indicating wrong. The other thing that can cause it is WAY too much fuel...again....not burning completely off before the exhaust valve opens and the process continues in the exhaust.  If you're running excessively lean, you Exhaust gas temps should be low SO, even though, I say your 19lb injectors are NOT enough for your motor, they wouldn't cause your headers to get overly hot...unless your fuel pressure is CRANKED way up. What is you fuel pressure set at? As for the injectors and MAF not co-operating. Did you have a chip burnt? What problem are you having it running bad? Have you tried clocking or rotating the MAF to help improve its signal? Get back to me and we'll try to get you sorted out.</blockquote>