tommannix Posted September 20, 2011 Share Posted September 20, 2011 hi guys just brought a 2004 nissan 350z fairlady manual, and wondering if anybody can tell me which is the best way to remove the speed limiter as at the moment it is currently limitied to 112mph. someone has recommended a hks speed limit defencer but i understand its difficult to fit them, would be grateful for any help on this subject. Quote Link to comment Share on other sites More sharing options...
Beavis Posted September 20, 2011 Share Posted September 20, 2011 to the forum. Might be worth trying the search function An alternative to getting a HKS speed defender fitted is having a up-rev re-map, this will also bag you a better running engine and some extra performance for not much more money. Quote Link to comment Share on other sites More sharing options...
Jay Posted September 20, 2011 Share Posted September 20, 2011 What he said Quote Link to comment Share on other sites More sharing options...
M13KYF Posted September 20, 2011 Share Posted September 20, 2011 members have fittted themselves. I think some have struggled when they've bought them second hand with no instructions Quote Link to comment Share on other sites More sharing options...
evilscorp Posted September 20, 2011 Share Posted September 20, 2011 Welcome. Go for an uprev, just had mine done, read the forum and if ur planing on doing more mods, uprev is the best way forward Quote Link to comment Share on other sites More sharing options...
ianphampton Posted September 20, 2011 Share Posted September 20, 2011 I was in your position 2 years ago - and opted for the UpRev remap 2 reasons - 1) I'm not a fan of secondary fitting as it's another link in the chain and Re mapping allows for other (future) improvement options In my opinion, this has been proven as the correct option. Since delimiting the car about 2 years ago, she's now been UpRev remapped and then re mapped again, as I changed the exhaust in a couple of stages, (new Y pipe, then full exhaust) and then fitted a plenum spacer and Berks HFCs - and each time the remap maximised the gains possible from the improvements. Anyway - it's up to you, but I'd recommend the remap route. The only other thing to make sure is - pick someone in whom you have confidence for the remap. There are still people around who say they'll do you a remap on a budget as it's a new development for them - I'd suggest you avoid that and go to someone who knows what they're doing. I can't comment on people I've not used - but if it helps point you in a good direction, I travel 250 miles from Manchester to Oxted in Surrey to take my girl to Abbey Motorsport. It costs me the day travelling each way - it costs the fuel each way, and Abbey are not the cheapest anyway - but I don't regret spending the money as whenever you have any questions, they give you straight answers, and I have complete confidence that they know what they're doing. Messing with the map of your ECU is getting pretty close to the brain that makes the heart of your engine beat - and I'd not like to entrust that to just anyone - and Abbey have done a great (well, a few great) jobs for me, and I'm happy to recommend them. Good luck - please post which route you choose! Quote Link to comment Share on other sites More sharing options...
tommannix Posted September 23, 2011 Author Share Posted September 23, 2011 thanks guys ,looks like uprev is the way to go .i will keep you posted Quote Link to comment Share on other sites More sharing options...
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