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Alternator just died. Any differences between the manual and automatic alternators? Looks like the manual one might be a clutched alternator. Part #s for 15 GT (200amp): Auto: FR3Z-10346-G Manual: FR3Z-10346-H Aftermarket parts makers (AutoZone, oriley) also list different ones for automatic...

2019 mt-82 mustang gt. My friend's car. He got it a few months ago and recently we did a ported 18 mani, 350 tb, e85, and pmas intake along with a tune. Transmission decided the extra bump in power was too much... I don't know much about manuals so I hope I can explain this correctly. Clutch...

Wanting to get some tires for a street setup that will still perform (mostly straight line). Thinking later I will pick up a drag pack for when I want to get really good traction and get some skinnies for the front. Wheels are 19x10. Already decided on some Toyo R888R 285/35R19 rear tires...

Need some help diagnosing my damaged differential. Wanted to see if any experts in here might know what is wrong since I know next to nothing about differentials. Car is a 2015 mustang gt, 6r80 with the 3.15 differential. ~125k miles on diff. Started noticing noise when going from drive to...

Looking for opinions on fast n/a guys and what tuners they like. Some info on your setup, times, and experience with tuner would be greatly appreciated. Thank you! Currently with Lund but subscription support ran out and I am changing manis soon so will need a retune. Every new tune Lund sends...

Okay, so I am doing differential and rear subframe bushings because my differential bushings were extremely bad. I went ahead and picked up the bmr bushings for both. So far, I was able to get the rear subframe and differential out with no problem, but getting the bushings out is another...

2015 mustang gt premium, 6r80, 3.15 diff, bmr drag springs, fbo e85 cam, nitto nt555r2 305/35R19 tire Recently I took my rear seats, passenger seat, and trunk spare tire cover out of the car to see if the weight difference was noticeable. What I did end up noticing is sometimes when flooring...

Hoonigan recently made a video showcasing a Celeritec exhaust on a ls3 c6 corvette. The goal of the exhaust was to change the exhaust note to be higher pitched (more like a flat-plane crank v8). The exhaust uses a 4-2-1 header that combined both banks into one big pipe which then split back...

Coolant problems have not been nice to me this past year. First a cracked expansion tank leading to no coolant pressure and now this after my fresh engine rebuild My cylinder head temps will just never settle and keep rising. They will get to 230+ if I don’t turn on the heat full blast...

A little rant post... saw no gains with e85, car is slow, and Lund says it's okay. 2015 Mustang GT Premium 6r80 3.15diff Full Weight N/A. Gen3 Coyote Shortblock, Gen2 Coyote Heads, 12.1:1 CR. Comp cams stage 3 N/A Cams. Catless headers, ported 2018 IM, stock throttle body, JLT 120mm cai, 47lb...

Gen 2 cars either come with an oil pressure switch (normal/low pressure) or an oil pressure sensor (reads a range of oil pressures). The performance pack cars definitely come with pressure sensors. It appears as though all gen3 cars moved to a pressure sensor, no more pressure switch. What has...

Another member (@Mad1186) and I have had apex torque head stud failures! The headstuds are loosening over time, this is not due to power. If you have apex head studs please read this carefully! Both were gen3 coyote head stud kits. Both were running gen3 shortblocks with gen 2 heads (the heads...

Doing an engine rebuild... I have comp cam stage 3 camshafts. Pretty sure they are just steel. They have metal flakes on the outside as well as metal in the oil holes and front hole. Any thoughts on a good way to clean them out? Spraying with break clean didn't do enough and I could still find...

Wanted to post some info about the Boss 302 Ratcheting Tensioners. Ford Performance sells these, but as far as I can tell they are the same as the OEM part that came on the Boss 302 Mustangs. I purchased them originally from MMR. MMR now lists them as gt500 tensioners, but when I spoke on the...

I am willing to do work on s550 Mustangs in the greater Phoenix area (Pheonix, Tempe, Chandler, SanTan, Mesa, Gilbert, etc.). I am going to be charging a pretty low rate as I am new to working on other's cars, just looking to make some money on the side while I attend school and work. I have a...

Has anyone used the gauges from Glowshift? They offer pillar-mounted gauges and vent gauges. I have been eyeing their oil pressure gauge and fuel pressure gauge. The vent ones look pretty good and they claim they still let air pass through. Here is a link...

Has anyone put a gen3 coyote oil pan on a gen2 car? I know there are companies that make kits that do the opposite. I am rebuilding my engine and purchased a gen3 coyote short block from Ford. It comes with the complete gen3 oiling system (pan, pickup tube/windage tray, and oil pump). I've done...

That’s right I have successfully blown up my 2nd engine with only 5,500 miles! Looks like the engine starved of oil and spun some bearings along with damaging at least one vct solenoid or camshaft. Was doing a nice long pull and noticed engine stopped making power and I could hear the tone...

Just picked up a used Boss 302 manifold. Previous owner attempted to port it, but I think there could be significant improvements made. My goal is to cut the manifold in half (cut the top off) and fill in any crevices and completely port the inside of the manifold. Like what AFS does for the...

Looking to compare my car against other n/a 15-17 mustang gt. Specifically looking at 60mph-130mph times (although I would appreciate any rolling acceleration times or drag strip numbers). My Car Specs: 2015 Mustang GT Premium, 6r80, stock converter, 3.15 diff, no weight reduction. Gen 3...