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i have a chance to snag a SCT X3 model #3000/3015 for 250 bucks. i cant find anything on the sct sight about it working for the mark viii and in the pdf for the manuel it appears you can only use the preloaded tunes and modify those ones only. so which SCT hand held is the right one for our Mark...

so i thought id go for a ride tonight and open up the mark a little bit. i noticed something out of the normal. well it seams out of the normal to me. id be rolling along and when i go wide open on the throttle i noticed it would take about a good 5 seconds or so before anything would happen...

ive been reading over a lot of threads and theres a lot of talk about doing this and doing that. what i would like to know, is how to get 350hp out of my mark viii. this doesnt seam like a huge deal its only about 60 extra hp and of course i mean how do i do this besides just adding a tune...