madkaw Posted March 26 Author Share Posted March 26 Did more work in the ITBS . I’m mocking stuff for test runs to see what might work and what might not . Goal is a decent MAP signal up to 30% throttle and be able to run brake booster and PCV . I thought the PVC would work for the PCV - lol. Just all temporary fun. The base plate will be trimmed down to about 6” . Running 1/4” vacuum lines to this 1” log . It might be a bit big but I want it to do a lot Final iteration might be 2 vacuum logs . Maybe ready to fire in a week or so Quote Link to comment Share on other sites More sharing options...
madkaw Posted April 3 Author Share Posted April 3 (edited) New exhaust for the 3.2 ! Serious drone issues from failing resonators made me go to a single thru the resonator . This resonator has a J pipe to help with the HZ 110 I had at 2200 rpm . With my tall OD this was an issue. I went with Borlas out back as big as I can fit so in the end I’m hoping for a quieter exhaust and less drone . Edited April 3 by madkaw Quote Link to comment Share on other sites More sharing options...
madkaw Posted April 13 Author Share Posted April 13 ITBS are bolted down after doing some fitting of the Maxima Diesel intake . Still waiting on the welder to finish up my collector pipe so I can’t start it yet . Also need to finalize location of vacuum log that will be inside my CAI - whenever it gets done at the welder . I wish I could TIG worth a shit and my life would be easier - lol. Still most of the back breaking work of bolting this down and plumbing should be good to go . Quote Link to comment Share on other sites More sharing options...
madkaw Posted April 21 Author Share Posted April 21 Good news is my exhaust collector is ready for pick up ! Bolt this thing up and ready to fire . Reached out to Chickenman- Richard Boyk - who said he’s done tuning with ITBS before has set me up a base tune . Can say enough how helpful this is since Alpha N is all new to me . Quote Link to comment Share on other sites More sharing options...
madkaw Posted Friday at 11:40 PM Author Share Posted Friday at 11:40 PM Latest version of mock up for test flight . It started up easy and just idled nicely - I was in shock - lol. MAP readings was around 65kpa at idle which isn’t much different than the plenum idled at . Reading was jumpy so I talked with Richard and dropped the vacuum like size from .250 to .125 - which should help smooth out the reading . Big cam and all it just idled and blipped ! Wont have the my CAI done for a minute so I’m going to run open stacks until my foamies come in . I won’t run it long like that but to get a base tune down . Murdered out my vacuum log so it would be so obtrusive . Quote Link to comment Share on other sites More sharing options...
madkaw Posted yesterday at 12:11 AM Author Share Posted yesterday at 12:11 AM Reducing vacuum line size seems to have helped the MAP reading. Looks like I might even get 60kpa at idle too! First drive was interesting for sure. Almost stalled pulling out in traffic and rich and lean mixtures all over the table-lol. The autotune was trying to correct but some of my settings were off. I didnt stay out long because it was Little 5 in Bloomington and too many crazy kids out . Monday when everyone is at work Ill do some more tuning, Idle seemed to increase as the engine got hotter. No heat shield yet so that is an issue Quote Link to comment Share on other sites More sharing options...
DuffyMahoney Posted 11 hours ago Share Posted 11 hours ago 15 hours ago, madkaw said: Reducing vacuum line size seems to have helped the MAP reading. Looks like I might even get 60kpa at idle too! First drive was interesting for sure. Almost stalled pulling out in traffic and rich and lean mixtures all over the table-lol. The autotune was trying to correct but some of my settings were off. I didnt stay out long because it was Little 5 in Bloomington and too many crazy kids out . Monday when everyone is at work Ill do some more tuning, Idle seemed to increase as the engine got hotter. No heat shield yet so that is an issue Idle increase while hot is the same issue most of us ITB guys are dealing with, I hope a heat shield fixes it. Quote Link to comment Share on other sites More sharing options...
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