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If you don't have a huge PSI loss in the IC/piping then I'd leave it like normal.

Mine's from having stock everything else but a walbro 255..

Problem is getting worse over time, something is going to let go. Mine's acting stupid today too, backfiring black smoke along with a stupid ass idle issue.

Doing that will avoid boost drop off but also make the turbo work harder per say to keep up with the drop off.

So you've boost leak tested the system and double checked all vacuum lines. Last few things I could think of to try and find it would be compression test to see if you've still got a healthy engine and smoke test your vacuum system.

Why not just hook it back up to the turbo? You'll get a more 'accurate' reading as to the output of the turbo itself and be able to see the PSI lost in the IC/piping.

So what you're saying is, you hear the squeak when the belt is having to turn the fan with resistance. Sounds like the surface on the belt is too smooth to 'grab' the clutch fan pulley to turn it without it squealing.

Yep.

So, in conclusion to this thread we've got a few people backing up this dyno run with a sheet to show it. We also have several people who've run upgraded CT's on higher compression and put down around 25% LESS torque but have dyno/track times to back it up. Something is picking at my brain...

Have you checked mechanical timing?

Doesn't the direct injection help a lot though?

With it being on a prepped track, will a street tire really hook THAT much better? So instead of roasting first and some of second you'll just roast first and chirp second. Depending on how far out they prep the track you might still have second gear problems. If you do one HELL of a driver...

Spark breaking up maybe? Does it always happen around the same rpm?

Hmm.. 10.5:1 compression with a 60-1 ct26.. I'd be driving like this:eek3dance so I can watch for flying parts.

That's interesting, never knew the ISCV program was different between the A/T and M/T. Would the A/T ecu on a M/T make it idle higher or lower? Or would the lack of neutral safety switch input change it?

I'll guess 13.8 @ 105 due to the tires, mine isn't nearly as modded and I can turn over the hankook ventus rs3's at will.

Do you see the lack of information you decided to give us on your "can't burnout" post? Next time you post, put down a little more information.. What you're requesting isn't a burnout, you're asking for a dead stop punch with tires squealing. If you're asking for a little more torque or a...

My yamaha 450 grizzly probably weighs almost as much as that car. I wonder if a street driven mk3 will ever trap 120+ with the ct..

I take that offense to that, must be one of the owners who whines about their car getting beat by others while it's all stock with 20+ year old parts on it. So you decide to cut a whole bunch of shit off of it and start rigging stuff together then wonder WHY it won't start, call it a piece of...

Flow test your injectors, bet you have some pissing at lower duty..