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15-17 D1X kit. Comes with everything needed including an extra belt and oil for the headunit. What it does NOT have is a fuel setup, as I ran a fore system. I would highly recommend if you pick up this kit that you utilize something other than just a BAP. I DO have an Ngauge I'm willing to...

Hey guys, in the process of a build. Initially I was going to run a haltech 2500 system, but I think Haltech may have discontinued their plug and play setup for the s550. Given I'd prefer not to hardwire the car, wondering what others run? I've looked at both AEM Infinity and a Fuel Tech FT600...

Ran for about 3000 miles. Zero issues. Going for a bigger setup and upping to 2000cc. $650 shipped

This will be an ongoing build thread. In 2017 I bought my S550 new. The intention was never to go to extremes with the car, just to build it into a nice weekend car that had some balls. Now with some recent health issues that have left me unable to pursue my previous main hobby, and having owned...

It seems like every sector of car tuning depending on car brand has it's own preferences on headgaskets for bigger power...a lot of guys swear by OEM gaskets, others aftermarket. Just guys running higher boost levels with coyotes, is it worth it in your experience to go aftermarket or will the...

If anyone has either up for offer, let me know.

I have a single turbo coyote project in the works that will be aimed at 1500whp ran through a TH400. I've searched and searched but no luck in finding specs on differentials for guys running these power levels. The ones I do see are running a 9 inch, but I'm wondering if anyone has the...

Hey all, I'm swapping the good old 11,000 mile 6r80 for a TH400 in my GT, and am going to sell the 6r80 to recoup some cost. I've looked around and have seen some high prices for the GT bellhouse version...like 2.5k; however most of these are remanufactured. I don't want to hose anyone over nor...

I know the f1's will fit on a p1/d1 bracket...does anyone know if the f2 head unit will as well?

Hey All, Recently completed the first tune of my 6r80 d1x GT. With the base pulley and pump it ran a 7.0@104 BUT it's very slow off the line as to be expected...best 60' was 1.75. It looks like the converter will only hold between 2000-2500 RPM. Ultimately I'd like to get this car into the low...

Hey All, Looking to do a set of Andersons CF fenders and Amerihood cowl style hood. Only concern is the weight--I'd actually like to get some function out of them. The hood will be used in order to eventually run a CJ IM but I'd rather it not weigh 30 extra pounds. Anyone with either have any...

Hey Guys, Quick question. Did a procharger install and the car is running super rich after tune. Tuner says install error. Can anyone tell me their vacuum at idle in an s550?

Hey all, Replacing the OPG’s now. Took off the housing with 7000 miles on it and saw some scarring. One of these is enough to barely catch a fingernail in. Ok or replace the housing?

Looking to pick up a fuel system for my d-1x kit. Call me a noob here but I'm not sure how the logistics of things would change between these two. Level 3: The feed line enters our F4i regulator, then distribution lines feed to the rear of both fuel rails. The front of both fuel rails are...

Hey All, New poster here. Just put in an order at Beefcake for a D-1x setup for my 17 GT. That said Im wondering if I should have gone F-1. I'd like to shoot for a minimum 9.9 on the stock block. I know eventually something will probably give at this level, but when it does, I'd like to...