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Not sure if you are commenting about me or the product. I have zero affiliation with them. I've just been a DI fan and happy to finally see a drop down option available instead of needing to work with 2 tuners who know how to properly set it up.

Good day all, Dorch has been supporting the gen 2 for over a year but they just got over the finish line adding their HPFP to MHD. There are now drop downs for S58 injectors and the HPFP which will support up to 700WHP together. Here's a recent post with a Z4...

I was wondering how your build was going. I'm sure you are happy after the DI / turbo hurdles.

I haven't bought any yet but weight seems to be one of the biggest pros. Here's tire rack on the 325's

More info. https://www.trackattackpro.com/

Obviously would love to hear your thoughts / comparisons afterwards.

I'm looking forward to seeing data on this new tire. https://www.tirerack.com/tires/hoosier-track-attack-pro

https://www.facebook.com/share/p/9amy3CpmHcpDVxCe/?mibextid=oFDknk

Are you on the euro or US springs? I'm on the euro and love having the lower profile 275/30 on the front and 295/35 or 305/35 on the rear. I currently have 305/30 on the rear and although the car handles great the rears don't look tall enough. If you are on the lower US springs, I'd prob go with...

Something isn't adding up. Did you ask for the E-hub or did you tell them that you only track the car? They offer the better Ehub for the exact reason that yours is now having issues and it is no secret. Drag racing adds a lot more stress to the hub than tracking it.

Heads up. I recently sold mine for $500 within 24 hours to an BMW F80 owner through Marketplace. I've heard good things about trying their groups as well.

The continental extreme sport 2 is a great tire and comparable to the PS4. I have TEs and currently have 275/30 and 305/30s but will go 275/35 and 295/35 next time. Some guys run the 265 up front just fine.

Razorlab is the go to SME for track info. I was able get back to -1.5 with factory rear camber arm and car lowered .8".

I also have the Z4 springs and eibach front sway on the middle hole. I had it on the hardest setting for a few days but hard cornering made the outside tire hop/slide. Love it it where it is.

That's what I was hoping for too but don't know how they did it. I would love to see others try. Two other guys including the OP only got 610 max on E30 with FX-350 and stock injectors. Any more ethanol maxed them out. Maybe less ethanol and higher octane, I dunno.

Thanks for the update, and sorry for your issues! Hopefully you can get the needed info and see expected improvements. Sounds about the same power as their FX-350 and stock injectors, so any frustration is understandable.Thanks again and best of luck.

Any updates on the Spool HPFP and injector power increases? What have your thoughts been? TIA

Awesome, exactly what I was hoping to hear. Thanks!

Any improvement?

Thanks for the write up! Looking forward to the other thread.