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Wow, I'm gonna have to investigate that a bit further. Forgot all about SSBC! While I certainly wouldn't mind having race spec safety wired rotors on my car, the fact is that I don't race my car... and don't intend to. It's more of a canyon carver/highway cruiser/local cruise spot car. Good...

I didn't see any spindles on their website for '71-73, but I do see a 13" performance brake kit that is designed to work with stock disk brake spindles. It's ideal, but the cost is still pretty prohibitive at around $1500. Also, I've never heard great things about long term street durability...

Does it have vacuum advance? You can easily run the engine up past 40 degrees advance during low load and cruise conditions, seriously improving the fuel efficiency. Under high loads when the vacuum signal is 0, the advance returns to whatever the curve has been setup for mechanically. Can't...

Oh my word... so I got my wheels installed to check fitment. 6.5" BS is perfect for my '71, but the 12.4" treadwidth that's supposed to come with a 315-35-17 is actually exactly the same width as my old BFG 295-50-15 on a 15x10. I think that a 335-35-17 would fit perfectly with no clearance...

I have some experience tuning engines for efficiency. On my '71, which is equipped with a 351W stroked to 408 @ 10.3:1 compression, I was able to squeeze 28 mpg out of the car while driving 75-80 mph on I-10 with a carburetor, running at 3500 - 4000 RPM (no overdrive... yet). Here's how: I...

No, I haven't modified the wheelwells themselves, but I no longer have a rear sway bar and my suspension is lowered using a complete suspension kit from PST. I have no clearance issues with 295-50-15 rubber on 15x10s with 5.5" BS. I measured and it looks like a 6.5" BS would work as well and...

Yep, that looks awesome! I think my new Centerlines are showing up tomorrow. 17x11 for the rear with 6.5" BS. Strapping on some 315-35-17" rubber and 245-45-17 onto the front (17x8). This will reduce the tire height to 25.7" from 26.7" where it currently sits. Does anyone think that will...

I did the same Cobra brake upgrade on my '89 5.0, but it required new spindles. I used Hawk HPS pads and 17" wheels all around. It does work very well and it stops very confidently now. I've been looking for big brake upgrades for my '71, but mine is originally a disc brake car and most...

My understanding is that 1971 was the last model year where emissions were not a major issue affecting performance. Performance was significantly "retarded" for '72 and '73 until they finally did away with it all and went for the '74-78 Pinto chassis Mustang IIs. In any case, my only...

Unfortunately, my old fastback has been the most unreliable machine I've ever owned. It wasn't until I bought my first "Five-O" that I realized that Mustangs can get great fuel economy and are very well designed, reliable cars. The longest I've driven my old fastback may have been from Troy...

Totally. I'm a real computer guy so my main focus is fiddling with the computer controls. I have a B&M Megashifter in place right now which makes ratchet shifting for racing nice and easy on the C6, should work well with a 4R70W. As far as theft deterrent goes, that's just BS. Everyone I...

LOL yes. But I have a 700 hp supercharged Mustang with a 5-speed behind it already. Besides, they make paddle shifter kits for the new autos now. :)

Alright, so I've made my decision. I'm going with a 4R70W. I already have a manual transmission Mustang that's TKO equipped, so I don't need another. Besides, these modern autos can be manually shifted and lockup in any gear so I don't think the efficiency that manuals used to have over autos...

Sweet buildup! I've been researching the 4R70W transmissions for some time now... the later model units as you suggested (98-2004) have the best parts inside. Even the V6 transmissions are 500 hp capable, apparently. I've got a B&M street/strip C6 in mine at the moment with a 3000 RPM...

I'm still very torn about whether I should move forward with a manual transmission setup or stick with an auto. I have a few pressing issues that are forcing me to make a decision soon, however. First, we're having our 1st child in mid July and the car has to be finished by then. Second, the...

I see that Modern Driveline offers their own pedal assembly, but considering I've got a '71 assembly to begin with I'd like to use it. I'm not interested in hydraulic clutch at all. I'm accustomed to driving my '89 5.0 with a Tremec 3550 and cable clutch, so I'd prefer to stick with the...

I have fully modified suspension, a rollcage, 335mm rubber on the rear, and less power and torque than my supercharged 5.0 that has only 255mm rubber, so I'm thinking it's not going to be too bad. My main concern is cost. There's no way a T5 is going to handle things, even with the beefed up...

Yeah, but what does it really take to shove a manual into one of our cars? Aside from the bellhousing, clutch, flywheel, etc., is there a bolt-in crossmember to accomodate a T56? Does it fit within the transmission tunnel without any banging and mods? What about electricals? How do you...

I've been pretty set on installing an overdrive transmission into my '71 for years, but am only now (after decades) actually going to do it. The car currently has a B&M Racing C6 transmission with a Hughes 3000 stall speed converter and 3.50:1 rear gears. It's great, but I want to cruise...

hahaha, that's hilarious!