Guilt-Toy

lol nasty Mr Shirt

hahaha =) the other day. look at the Dirt Man's name now lol

Usually when a tuner tunes your car he is not going to tune it in 5th gear labouring the shit out of the engine at 2000rpm is he? thats why it knocks. If he did tune it in 5th gear he could get rid of that knocking but you would lose response in other gears at the same part of the map because timing would be retarded and you would have shitloads less mid range and possibly top end as well. the reason why this happens is because you are in 5th gear the ecu is hovering over that part of the map for a long period of time, after a second or so it will start to heat up and make some noise, If it is only reading 30 - 50 knock at those load levels then it would be nothing to worry about, if you see over 100 every time you go there then try avoid those areas and get your tuner to listen to the car on the dyno to see if he can hear anything, if nothing could be heard then you should ignore the knock readings. this is a whole different issue then what we are talking about ? i thought we were talking about knocking on boost at mid to high rpm. Every tune i have had back before i started tuning has experienced this low rpm high load knock. Sometimes it can be removed with just a few deg of timing being trimmed other times you cannot remove it at all. why would you want to hit boost in 5th gear going up a hill and labour your engine ? probly not the best idea anyway. If you are confused about what this thread is about then here is a quote from the thread starter - 1st post

hmmmmm..... read the thread and it will explain

yeah mate, you know the score, whenever you are ready! you should get the shirt man to finish that timing belt first though imo

yes. your tune is fine!

they have been around for ages - camtech I had one of those cams in my old ca20 bluebird lol... they don't do vct versions and the cams are $891 a pair. cheap

yeah. a nice virgin one. and no you cannot try it out. its mine. I am keen to do some drifting / track / hill climb work in the next 8 months

if a purchased a turbo with no shaft play i would take it back and ask for my money back. you need shaft play on every turbocharger.

all different engines / combinations have a different sound when knocking, if you were to listen to a XR6 turbo when it pings, its very easy to pickup and cracks pretty loud, when a smaller engine will sound different once you mod your car and push the engine harder it will knock differently to how it would if it was standard and it will have lots more engine noise. The power fc is not smart enough to filter out the knock to engine noise at the best of times.

maybe i did not make myself clear enough on this topic. Nissan designed the RB25 to have 185ish kw @ engine to work with the standard ecu. They also designed the knock sensors to pickup knock frequencies for a complete stock engine. at 165kw at the wheels your knock sensors will be sending the correct data to the stock ecu with no problems! Joe blow - YOU. gets to a point in his car modding career where he needs a power fc to take advantage of the modifications. These modifications include. FMIC turbo back exaust and high flow cat high flowing pod filter with cai boost pressure turned up from 8psi to 14psi high flow turbino cams etc etc etc etc rah rah rah rah OR ANY OF THE ABOVE So your new setup is going to make 195 - 260kw at the rear wheels +, but hey! lets rely on the stock knock sensor frequencies to pickup engine noise as knock and tune the car accordingly. How about, lets NOT. Lets turn the knock sensors off and stop wanking about the knock levels your heaps fully sick power fc hand controller gives out, to impress all the wog bitch's and dickheads out there. how about we tune the engine the way it is supposed to be tuned ? Sounds better to me. tell your tuner to turn the knock sensors off, run proper knock sensor detection device that he can listen to and tune the engine with the torque graph's on the dyno. I aint here to tell people how to tune cars, but there are a sure hell of alot of people who got it all wrong and its hard for the tuner to keep his customer happy when the customer goes on the internet and believes all his mates and mechanic's down the road when they say "ohhhh 90 knock mate, your engine is going to explode!!!" bad tuner bad tuner bad tuner!! "call him a salmon" Its not going to explode. maybe if you saw levels of 100 - 200 when comming onto boost EVERY time then maybe they can tell you something is up. Does this clear things up a bit? yes/no ?!?

+1 for the shirt man. you get status with one his builds

see the dip between 120 and 140 in the AFR ? what will be robbing his torque a bit.

can you tell me where my turbo's vagina is ? asap please

With the compliance cat, and the massive volk wheels on the car (Bakes was told he would lose at least 20kw at wheels when he got the wheels) and the hearbreaker dyno i think its doing okay. There was no pre-mod dyno sheet on the same dyno. I think we should be able to get it up to about 280ish without any hassles. have to wait and see.

No. the turbo is stuffed the turbo is stuffed.

The NA rb30 oil pump was only used in the VL commodore series 1 NA's. once the VL went to series II ALL the engines had the turbo series pumps.

this is a 4wd power read out, and the dyno reads very low (mainline)

dropping a spring out of the wastegate to bring spring pressure down from 20psi to 10psi, and putting on a gt3040 turbo.

that is bullshit. i have never heard of or seen a difference in the datalogit or hand controller for any values what so ever. they are getting the data from the same source!! I think your tuner may not be reading the knock data from the datalogit correctly. maybe he is reading a AVERAGE knock and not the MAX knock like your power fc h/c recorded value. make sure your tuner knows what he is doing. it was probly knocking its nuts off when he was tuning it.

awesome read. 10/10

hahahaa!! i will be back down to 280rwkw very soon

my car is faster. so i am cooler

i just steal the old oil drums that Hunter All Wheel dyno use for services etc etc. i wash em out and use them

just reset the ecu once a week. not hard.