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I don't know how to fix your tune but can you get 200L drums of toluene or methanol and add a few litre to each tank full to up the quality a bit?

Checked out that whole toluene thing a while back and did not seem feasible so i ended up buying a coolingmist wmi kit which is still in the cupboard somewhere along with some greddy cam gears....

Was really waiting until the turbo upgrade to install both but i think i'll give it a shot soon as i feel comfortable with the "base" tune i have now so i can use that to compare to.

I will be using water only first and see how that goes as a lot of ppl locally use it alone with decent results

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Isnt that with R34 N1 turbs and higher boost?

The oem ecu has timing @ 24* also, so I have it around there but just alot richer than it would have been normally,....the stock ecu only gets to 11.0afr @ around 7k...well in my experience at least

knk is around 15

Nah...I'm in one of the Caribbean islands and AFAIK its measured similar to yours and not by the US standard

I would like to confirm that 100% but i dont know where to get that sort of info and if it would be reliable to start with....

Thats why i wanted to know the difference you guys see between 95 and 98 to get a comparison

Ha ha....i guess so...or even better as a matter of fact, > a "tuner" has my buddys car @ 37* on 16psi :domokun:

So i take it your 21* is on similar boost like what i run?

37* timing is Alot ! Even on 98 lol

Sure ur not running 110 octane

Well time for a little update......

I have secured all sorts of loose shit under the center console/dash and under the car and tuned the timing around 24* which is what the oem ecu would normally run and i'm not hearing any vibration/rattle again and the values on the pfc is 10-12 max and very low on the safc2 as well and i have that set really sensitive

So i believe that the noise wasnt actually detonation but i have taken out a few degrees here and there so the safc would not show any high values like i was seeing before.....so i guess now its dyno time to compare ign advance to torque gain to see where shes happy

Man....talk about paranoid!!! every fu$king thing sounds like detonation!

Any tricks to listen for knk on the dyno??? With your bare ear i mean.....i just dont have any other devices available to pick up knk

Get a long piece of vacuum hose and pushover the end of and inlet manifold stud, run it back into the car and listen to it. I have made a knock detection setup impromptu @ the track using industrial ear muffs drilled so the vacuum hose pushes inside the ear muffs to block out ambient noise, worked well but would not be good for your hearing long term :)

I saw you request for info a page or so back from march and i apologise for no reply. (havent been on here for months, very busy atm) Feel free to email your map to me i will have a look for you on the quiet. [email protected]

EMVIP-viper-earmuffs.jpg

Get a long piece of vacuum hose and pushover the end of and inlet manifold stud, run it back into the car and listen to it. I have made a knock detection setup impromptu @ the track using industrial ear muffs drilled so the vacuum hose pushes inside the ear muffs to block out ambient noise, worked well but would not be good for your hearing long term :)

I saw you request for info a page or so back from march and i apologise for no reply. (havent been on here for months, very busy atm) Feel free to email your map to me i will have a look for you on the quiet. [email protected]

EMVIP-viper-earmuffs.jpg

Actually i had the same idea but using a garden hose instead, but had not decieded where to position it on the block.

I see you mount the kmon sensor by the fuel line bracket, do u suggest placing the hose around the same area or maybe closer to no.6 on one of the studs at the back of the plenum?....its in a rwd chassis so i have room to work with

No need to apoligise btw, i know you have to be busy with the new projects i see rolling out :thumbsup: never the less i really appreciate youre time and help and i will email you the stuff a little later when i get some time...busy as well

Thanks a mil

Wowsers. My own GTR runs around 21 max at 11.7

Hmmmm...you didnt mention what boost, but does it mean you guys actually run less timing than the stock ecu therefore de-tuning the car for safety because of your 98 compared to the Japs 100?

honda? e85.

Hahaa rb26 .....but not for much longer i guess!

I run around 20 psi. I never push any cars to the knock threshhold but. So im sure i can run more timing.

My car goes to the circuit a fair bit. I only run on low boost 15psi at the circuit. So the tune is kept a bit safer

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