Dragon Slayer - 1995 Mustang GT Build Thread - Now With 100 Percent More IRS

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nitroram33

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Don't think the fog light switch that came with it is any good, but haven't felt like pulling the storage bin back out to swap them yet lol.
 
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nitroram33

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New front rotors showed up today. Now I've got the everything I need either here or ordered except for the rear rotors and a test wheel for the back. Those can wait until winter since I'm still driving it to work a couple days a week lol.

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damn those Brembos are sexy! I am jealous and am following this install. Damn again to all those new parts...RTR !
 
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nitroram33

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Lol, waiting on the rear rotors to show up now so I can start messing around with it. Figuring out what I want to do for the parking brake is going to be the most annoying part...
 
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nitroram33

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Still alive. FINALLY got time to mess with the brakes. Between work going nuts and having to work on friends/families stuff, the brakes have just sort of set holding down a shelf.
I've been working with this one side and have it pretty close, but with a 5mm spacer behind the rotor. Once I make 100% sure that I've got the rotor center I'm going to get a friend of my dad's who has a Bridgeport to take the 5mm out of this bracket and then duplicate the things over to the other bracket. Basically modifying a GT350 to S550 kit from FTB combined with an old Vintage Venom S550 GT500 to SN95 kit to make things work. Anyway, a few pictures:

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Hoooly shit , those are massive . The worst part of being mechanically inclined is being expected to fix everyone in the families junk
 
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nitroram33

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Hoooly shit , those are massive . The worst part of being mechanically inclined is being expected to fix everyone in the families junk
Indeed. I'm at the point that they can pay someone to do it. These things set on my shelf for 2.5 years collecting dust, that's dumb.

For some reason, I didn't get a reply notification for this thread... Weird.
 
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nitroram33

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Went on vacation for a week, but came back and messed with the car a little more. Got the bracket to within .5mm of the rotor being centered with an angle grinder lol. Have to get up with my dad's friend sometime next week when he's free and take a couple thousandths off to square things up then measure and duplicate to the driver side bracket. After that I can hook up the lines and move onto the rears.
 
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nitroram33

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I finally got time to work on the rear GT350 swap and, by some miracle, it allllmost just bolts on. I'm going to need to elongate the holes on the IRS knuckle just a touch to get it to have enough clearance to the outside edge of the rotor, but the bolt spacing appears to be identical. Even the factory caliper bracket bolts are going to work. While I had it out to put the new studs in, I went ahead and put a new wheel bearing in as well. The 19x10.5 RTRs are going to clear by a ton as well.20230611_200242.jpg

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This thing is literally going to stop on a dime . My car stops so good with a 13” rear rotor single piston and cobra brakes up front . I wanna know what the 60-0mph and 100-0mph times are with this upgrade .
 
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nitroram33

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This thing is literally going to stop on a dime . My car stops so good with a 13” rear rotor single piston and cobra brakes up front . I wanna know what the 60-0mph and 100-0mph times are with this upgrade .
Hoping for sub hundred feet 60MPH stops with the sticky tires on it. A GT350 stops in 95 feet from 60, but they're also 600 pounds heavier.
 
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nitroram33

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Finally "finished" the GT350 brake swap. Still need to bleed it again and mess with the parking brake a little more, but it was good enough to get it off the lift so we could get my friend's Z in the air for rear axles/wheel bearings.
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nitroram33

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Almost a year from that last post, but little did I know at the time: I wasn't finished lol. The front was done, but I needed to do something about the rear...

I initially bought all the GT350 stuff before the GT500 existed. The bolt spacing on the GT350 calipers is identical to the IRS caliper spacing, but spacing side to side was a little off and they needed to go up to clear the rotors. So I modified the calipers and the spindle to fit, but juuuust couldn't get the pad hardware to clear the rotor without having to chop up the spindles and relocate the hole. Before it came to that, I bought the GT500 rotors and, as they're .4" shorter, and they cleared the calipers just fine. However, the GT350 rotors have an integrated drum that the GT500s don't so the rotor moved farther inboard which means the material removed from the caliper was now almost exactly how much of a spacer I needed... To avoid fighting with the spacers every time the caliper comes off in the future, the aluminum spacers are now welded to the knuckle. Gallardo parking brake caliper is on a custom bracket off the former dust shield bolt holes (after being resized to M8x1.25) with shortened factory parking brake cables) but now spaced out from where they were with the GT350 rotors on there. Oh, and there's a half inch spacer in the back for clearance.

It actually went off my hill for the first time in over a year on the 3rd of July for a test drive. Now I've put about 60 miles on it since then without issue and remembered to take a couple pictures to post here before I put it back in the shop.

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