Jump to content
SAU Community

Recommended Posts

  • Replies 41
  • Created
  • Last Reply

Top Posters In This Topic

Top Posters In This Topic

Posted Images

lol. Maybe you should just disconnect the hand controller. Then you will solve your knocking. Just probably paranoid cause your monitoring it all the time.

Oh yeah be sure to keep your eyes on the road too.

So your going to get a de-cat pipe, you'll get some nice flames :blink:

Link to comment
https://www.sau.com.au/forums/topic/201554-dyno/page/2/#findComment-3586470
Share on other sites

hmmmmm i gotta pay for the members section ! hahah hmmm just a question top racing resolved the knocking issue by advancing the timing back to 13 instead of 18 so does that mean i lose power? the tuner said because my head gasket is too thin and when he advances the timing to 18 it will knock :D so in order to run more timing i need a thicker head gasket? hmmmm ahah .....lunjiao its not beign paranoid its my engine light it kept flashing when i chopped that v8 or the turbo ute lol my bro's like WTF is happening ur lights are going crazy ! hahahha so yeah looked at the controller and knock was like 80+ to 160+ so im like WOAH HOLY DAMN !!!

Cheers

Chi

Edited by Chi100188
Link to comment
https://www.sau.com.au/forums/topic/201554-dyno/page/2/#findComment-3587014
Share on other sites

I don't think you would lose power. At least your engine will last longer though.

Just get a new turbo and other mods for more power =P then you can take it to the dyno day when ever that is.

But yeah i guess you didnt get too bad on the dyno.

Link to comment
https://www.sau.com.au/forums/topic/201554-dyno/page/2/#findComment-3591074
Share on other sites

Less timing will make less power.

What your tuner was trying to say is, your compression is too high to run +18deg (btw he RETARDED your timing, not advanced it), a thicker headgasket will reduce compression slightly allowing you to wind more timing in. Less compression will also handle more boost but make less power off boost.

Your engine was originally NA wasn't it? this would explain the high compression, you will never be able to run as much boost or timing as a turbo engine as the compression ratio wasn't designed for it :P

Edited by bubba
Link to comment
https://www.sau.com.au/forums/topic/201554-dyno/page/2/#findComment-3593841
Share on other sites

no this engine is Mitchy's engine and it was turbo originally....but was rebuilt apparently.......the tuner said the head gasket which was used may not be as thick or someshite :D hahah but yeah still goes pretty hard right now :blink: my NA engine is still at my mates house from the transformation

Link to comment
https://www.sau.com.au/forums/topic/201554-dyno/page/2/#findComment-3594407
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now



  • Similar Content

  • Latest Posts

    • From my youth: GTi-R clutch change is a massive pain. The gearboxes are fragile? But the car is super cool and I want one 馃槩 
    • Remember this is 1988 tech.
    • Driveline vibration is resolved. I ended up loosening all my engine mount and trans mount bolts, giving it a good shake then retightening everything and it's gone... Let's just say I was surprised that fixed it.  I've been happily driving it around again but unfortunately put zero time into my direct port/constant pressure WMI setup. I'm on vacation next week, so I'll try and finalize it then.  On a different note, I spent all week fuel/ignition mapping 2x 216L V16 engines. Turbo's were burning glycol and we swapped them out for larger units. We also had planned emissions testing on site, so I figured I'd be there the same week to use their instrumentation and massage any emissions issues out if needed. This was a first for me. Fuel management is similar in certain ways to automotive (i.e air density as load variable) but very different in others. It's all PLC based and AFR's are controlled by air and not fuel. They use a control valve between the turbo and air manifold to control pressure which in turn controls AFR's. Due to this, target AFR tables supplied by the OEM are in pressures and not mass which really through me off. They use air pressure vs fuel pressure tables. I also relied on an O2 concentration sensor the emissions team had in the exhaust. Ignition timing was also all over the place and we were losing a fair bit of power. They're now happily sitting at 16-40BTDC depending on load. We were making about 1600kw at 900rpm at 90% load. Engines were running a lot smoother as well.    
    • heh, aint no R32 ever meeting modern targa cage rules unless the driver is veeeery short OP, good luck with the sale, since its already in the land of freedom I'm sure you will find a good buyer.
    • meh, it was a good video, clear about the issue and how he dealt with it. A bit heavy on the RTV and very brave to put an RB in anything without rebuilding it first, but otherwise I thought it was good Dose, I'm not sure that having the pickup forward is a big issue; yes of course the oil could shift under brakes but the sump should never be empty enough for that to be a problem (unless you also have a higher volume oil pump, and that oil can't return from the head to the sump quickly enough)
  • Create New...