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100%, this to me is the true beauty of the S550 GT. I don't know where else you can go and get this sort of performance on a current production model for the price point.

To me, the perfect S550 GT STREET CAR is a solid mid 9 sec FI build @ 140-145mph ish. I personally prefer the feel of a TT car, but a blower will also get you there. That will beat 99% of people you will ever randomly encounter on the streets and give you solid long term reliability @ the...

Not sure it will be as fast as a 6R80 car, but we'll try. :D

I'll leave you to do that, as I'm in the middle of swapping in a sleeved MPR long block + powerglide trans. :cheers:

I think 99% of customers out there don't want to gut their street car, for the occasional drag strip visit a few times per year. I think they don't fully understand or appreciate what it takes to get a car to run 7's....or even high 8's. They just see a Facebook or YouTube marketing video by...

Yeah, that's much lighter than the 4095 lbs ours weighed in at Bowling Green. Doesn't Brett make a living, or at least good side income, building 6R80's for the public?

I think the main issue is most are looking to the 11-14 chassis, as their "pulse" on what the 15+ cars will see. The truth is, this car is entirely different, it's MUCH MUCH heavier....and with the overwhelming majority of these cars being daily driven vehicles...we won't see the weight...

If you really want my opinion, lol....I wouldn't run a 6R80 or MT82 period....for anything sub 9.0 That's my honest thoughts. When I first came into this market, I thought the 6R80 had a chance. But now I understand why most swap to a glide or TH400 out the gate if building a car for purposed...

8.99 can be done at a very reasonable cost, IMO. (Then again I come from the GTR world, where anything here looks like peanuts cost wise, lol.) We went 9.0 @ 157mph on a stock engine. 7's...well...in a S550 heavy chassis, good luck keeping any sort of streetability and full interior in the...

I'll tell you the 6R80 today, with current available parts, will not be reliable at this level in a heavy 15 chassis. Until more advancement is made, a Powerglide would be a better fit for the drag strip. We haven't made the swap yet, but it's a likely candidate until better internal parts...

This is a VERY heavy car, ours being a GT Premiun with Leather Heated/Air Cooled Seats. 7's will be very difficult without major weight reduction. Aka, drag car only type lightening. This isn't a 11-14, which is several hundred pounds lighter, then gutted out. I'd be happy with an 8.50 full...

I'm going to let Tim @ MPR post here later today and explain their design rationale & experience sleeving these engines. I don't want to put words in his mouth.

Twin-Turbo Car on E85

10:1 roughly, E85 only motor.

A full long block is more, but yes, it's FAR cheaper than most platforms to build. I have 1/4 the amount of money in our 2015 Mustang GT that I have in our GTR. It's a fantastic bang for the buck if looking to set timeslips on a budget.

Guys, several of you have asked for forged & sleeved short block pricing. MPR charges $9550 for a short block + ARP Head Studs. They are using the best parts in the business, so the price is reflective. This is a no corners cut, full fledged race engine.

Tim on the grind today, working to get her finished up ;)

Finishing up the heads today and hopefully flow data tomorrow ;)

Clevite mains and King XP Rod

We will see what the dyno shows and determine how high to spin it. I'm still looking at intake manifold options, nothing is determined there and it will likely be us testing in-house to conform what makes the most power.