anthony5 Posted September 29, 2010 Share Posted September 29, 2010 at what point does the vtec engage in b18c4 mb6'sthere is a distinct change in note at around 4500rpm and at 6000rpm, which of thes is vtec and which is the inlet mani butterfly valves opening? also has anyone any experience of removing these butterfly valves Link to comment Share on other sites More sharing options...
lacos Posted September 29, 2010 Share Posted September 29, 2010 hi mate the b18c4 engages vtec at 4400 and the butterfly starts to open at 5800 Link to comment Share on other sites More sharing options...
anthony5 Posted September 29, 2010 Author Share Posted September 29, 2010 thanks for the infoive heard of people removing the butterfly valves completely for performance? can anyone shed some light on this and would it effect performance Link to comment Share on other sites More sharing options...
noodels Posted September 29, 2010 Share Posted September 29, 2010 http://www.honda-tech.com/showthread.php?t=2798830http://www.honda-tech.com/showthread.php?t=2624060some reading for you,just put clamp on my vac cap, to have them open all the time now 8 ports ecttry it!! ignition off position, clamp vac pipe noticed power low down now and dont have to wait for opening@6000but still get massive kick @6k as cams duration max power=. Link to comment Share on other sites More sharing options...
KiNK43 Posted September 30, 2010 Share Posted September 30, 2010 Ill be trying this one too! I would think it would need remaping of some discription to make the most of it, but il sure try them open all the time. Nice one! Link to comment Share on other sites More sharing options...
noodels Posted September 30, 2010 Share Posted September 30, 2010 Ill be trying this one too! I would think it would need remaping of some discription to make the most of it, but il sure try them open all the time. Nice one!planing on ecu reset only no remap not neededruns sweet as is!! 1"£££$££"!! Link to comment Share on other sites More sharing options...
KiNK43 Posted September 30, 2010 Share Posted September 30, 2010 So just recet ecu. Pull fuse or disconect battery? Will that do it? Link to comment Share on other sites More sharing options...
anthony5 Posted September 30, 2010 Author Share Posted September 30, 2010 yeah how can you reset ecu? somethin t do with disconnect battery and half turns of the key? Link to comment Share on other sites More sharing options...
lacos Posted October 1, 2010 Share Posted October 1, 2010 just pull the 7.5 backup fuse out for 10 sec its in the box in the engine compartment ok mate Link to comment Share on other sites More sharing options...
KiNK43 Posted October 1, 2010 Share Posted October 1, 2010 Ok. Cheers dude Link to comment Share on other sites More sharing options...
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