What grade fuel do you have access to where you live? I'd have to assume you're not in CA, with the garbage 91 octane.

 

Installation/maintenance.

 

Cost is the biggest factor. At this time, a properly intstalled and tuned TT will cost twice as much as all those items combined.

Then there is the fact there there is no warranty on the installation and what's left of the power train warranty goes out the window.

 

once people start falling out of warrenty it will take off more. i know im waiting for mine, i can only imagine what ill blow up and how much it would be on an AWD

 

Yeah. My quip about the rims and cosmetics was just tongue and cheek.
I just have an impossible time believing that the motor could handle the strain, but I guess there are guys who are doing okay with the setup.

 

I sure would hope that u would beat a m3! also not to rain on your parade but remember atco is a fast track and on the generous side with times-I ran a 13 flat in my hypertech tuned x sedan and trust me I wanna believe it to be a 13 flat car but I know it isn't-if u don't believe me go to Englishtown-I did and never got close to a 13 flat! u probably a 12.2 or 3 car-I could be wrong though-oh yeah the new m5 f10 runs 12 flat out of the box...u should be able to hang with that but once its tuned u r done

 

I am Very Surprised! that the Transmission is not having any issues putting down over 400 TQ. As it is well documented that the weak link on AT is the Transmission now you've gave me hope about the AT transmission enduring FI applications.

 

TT x coupe w/ 8.5 psi here, np on the tranny too~

 

That means I am definitely seeking for 500 WHP with my GTM Twins SC.


How much HP and TQ you putting down Legz for how many miles stock?

 

I didn't run mine on the dyno yet, I'm assuming it's close to BillD's hp/tq.
Car only has ~14000 oem miles, and ~3000 are FI'd, driven somewhat hard. No valve body upgrade, but something you should be aware is I'm in Canada, temp is lower here all year round, may contribute to the car's longevity (as long as it's not too cold).

 

Thanks for the response.

 

The only reason why you all say COST is the biggest factor is because instead of putting together your own kit you choose to buy one already made for you like the GTM turn key kit...They charge so much more money because its a "kit"

Honestly, the cost of 2 turbo's (Depending on what you get) can range from 500-1000 each, then you add fuel injectors and a fuel pump(s), fuel pressure regulator, boost controller, blow off valves, intercooler, piping, exhaust manifolds/downpipes, and oil feed/return lines...all of which can be acquired/fabricated for you by a reputable welding shop for at most 3k-4k no more than that.

Honestly if it was me, i would run dual FP3052 turbo's @ 4-6psi and call it a day, the car will probably be at full boost around 3200-3500rpm making a poop load of torque and staying strong to the top of the powerband which will most likely peak out around 6500-7k but cams will affect this obviously.

BUT lets go back to reality...to make power you have to be prepared to spend a ton of money. Not only do you have to get a turbo and all the supporting mods needed to run one, you will have to get different cams w/better lift/duration to support what ever power goals you are trying to achieve, possibly sleeve the block, get better rods/pistons in there, stiffer engine mounts, work the transmission/rear diff etc...all that adds up


Oh and also turbo cars SUCK in extreme heat, you get heatsoaking of the FMIC, detonation depending on your tune etc...

 

It's funny you say the GTM kit is expensive and then say you'd get FP turbo's to custom build your own setup. FP turbos can easily run $2k EACH. Then you have all the tiny bits and pieces that will slowly add up to cost more than a GTM kit. And that's apart from all the testing and development that you'll be doing on your own that will be time consuming.

If our cars had a larger engine bay and an inline engine then it would make sense to custom build something, slap a single turbo and call it a day. But for our platforms, GTM is a reliable, well proven and cost effective route.

 

Never said the GTM kit wasnt reliable, i just think its a bit over priced thats all...

fp turbo > MHI 16g/18g/20g

 

Back to reality. I don't think that my car is an extreme street machine. But when my 60k car keeps or beats most MUSCLE cars it is satisfying. I'll let you know what the englishtown numbers are after summer. even if it's 12.2 is that slow?