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my car, completely stock as it left the factory dyno'd in at 97kw @ wheels on sst's dyno, with just one of jash's cat back CRAP exhausts I went to 115kw's. With a trust fmic, blitz dual sbc set to 12 psi I've gone to 175kw, used the same dyno everytime. given that the runs were done on different days, different air temps etc etc etc... it gives me a rough idea of my gains for money spent. My dump+front pipe are letting me down though, as my car drops boost immediately around 5500rpm, doesnt tail off just drops straight down to 9psi. dump+front pipe are next on the mod list.

Rob,

Very low figures for a healthy stocky (97rwkw) on the "average" Dyno Dynamics dyno. I'm guessing you'd be the guy that wrote in to HPI asking Martin, why so low?

175rwkw with your current mod's sounds about right. From 97rwkw to 175rwkw (78rwkw for the lazy) from an exhaust, FMIC & a bit of extra boost. Something wasn't right with the car to start with. Very restritive &/or blocked cat? I witnessed a heavily tweaked GTS25t go from 219rwkw to 282rwkw after nothing more than the removal of its nasty compliance fitted cat & cat back section.

Originally posted by rob77

my car, completely stock as it left the factory dyno'd in at 97kw @ wheels on sst's dyno, with just one of jash's cat back CRAP exhausts I went to 115kw's. With a trust fmic, blitz dual sbc set to 12 psi I've gone to 175kw, used the same dyno everytime. given that the runs were done on different days, different air temps etc etc etc... it gives me a rough idea of my gains for money spent. My dump+front pipe are letting me down though, as my car drops boost immediately around 5500rpm, doesnt tail off just drops straight down to 9psi. dump+front pipe are next on the mod list.

Yeah, I would say the stock exhaust was very restrictive and was really keeping the boost low (we didnt measure the boost on the dyno run or the A/F ratio when we did the 97kw run) now at 175kw the car runs rich to start with but by the end of the run its getting a tad lean and yes that was me who wrote into HPI. I still have the very small cat on the car from compliance, I may end up putting a hiflo 3" unit in one day, but I'll be doing my front+dump pipe first.

Originally posted by R31 Chick

Whatsis oh whatever, you have been on our WA area all day, is it boring in the SA one?

Of coarse you are welcome, don't take me the wrong way, I am not Paul or Maccka!

Whatsisname too hard to spell? ;) I bet you say whatsisname more than you realise. Everybody that you can't remember the name of is called 'whatsisname':D Whatsisname is also the name of a character in the Magic Faraway Tree, for those old enough to remember the book/s.

WA, NSW, SA, VIC, TAS... I peruse them all. I've lived in most states of OZ I don't consider any of them as my home state, they're all home!

I'll often leave the PC still logged onto a particular forum section too. So I'm 'on', but not there. Opposite to my brain most days, it's there but not 'on'.

If there's nothing happening in the SA forum then it does indeed get boring.

Cheers,

Matt

Originally posted by rob77

Yeah, I would say the stock exhaust was very restrictive and was really keeping the boost low (we didnt measure the boost on the dyno run or the A/F ratio when we did the 97kw run) now at 175kw the car runs rich to start with but by the end of the run its getting a tad lean and yes that was me who wrote into HPI. I still have the very small cat on the car from compliance, I may end up putting a hiflo 3" unit in one day, but I'll be doing my front+dump pipe first.

Rob/Steve,

Yeah thought the cat would've been a big factor.

Dave,

Sorry to postwhore so badly ;) Getting back on topic.....

My guess is 196.83rwkw

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