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Thanks for the info, I attached an image. Those would be the "Subframe rear bracket-to-body bolts" correct? I guess searching for bolts is not my strong suit cause it says 12 x 1.75 x 35mm with a 15mm head size, but when I search for that I get nothing but bolts with 18mm head sizes...

Anyone know the dimensions for the 15mm bolts that go in vertically for the IRS mounts? Length, thread pitch, that sort of thing. Or a link to a TM that I can read on it?

Well, the noise completely goes away with the front belt off. I am going to guess that it is the Whipple in need of a rebuild. When you grab the pulley of a supercharger and quickly rotate it clockwise and counter clockwise, kinda like jiggling it, should there be some play / noise? Or should...

I could be 100% wrong here, in which case I have an issue too. But I am pretty sure in the first video that is the injectors. Mine never made that noise and once I installed larger injectors with a Fore return system, the noise was there. Took a mechanic's stethoscope and put it on each injector...

Changed the oil and the noise went away, at least for now. Took it out for a 20 minute drive and the noise didn't show up. Was doing it in about 5 minutes before. I tried taking the blower belt off to test it before, it didn't make the noise, but I am unsure if that was the solution because the...

That set will work fine with any supercharger. As RI-SVT said, you just want to use one of the 100mm ones next to the supercharger snout. That will allow a little bit of extra belt surface area on the supercharger pulley. As far as I know any combo of the 90 and 100mm will work, as long as you...

I have this fairly loud slapping noise occurring. It does not happen when the car is idling cold. It only taps one or two times as the car starts up and then nothing. But it really shows up after going for a drive. After about 5 minutes of driving around it starts a steady tapping with the...

I am 99% sure I have an idler pulley going bad. But before I go and spend $$ on new bearing or a new pulley, I would like to bolt on an original pulley to see if the noise goes away. The problem is, I don't have any of the original hardware for the idlers. Anyone have a part # or a bolt size or...

So before the winter weather hit, I stripped the car with a dawn wash + a regular wash, did a clay bar and put a light coat of wax on the car before finally covering it up. It sat covered for about 6 months until today when I took it out did a very light dawn wash again followed by a 2nd normal...

So about 12 months ago I stripped the car with a dawn wash and did paint correction + sealant + wax. After sitting over the winter the wax has a sticky texture to it instead of the smooth that it was before. There are also a few minor scratches that I missed and would like to take care of. I...

Okay, recently had my cats off for tuning purposes. Went out today and started the car to pull it into the driveway and reinstall the cats. There was no vapor for about a minute until the car started to warm up, then it started very slowly and eventually developed into this. The vapor dissipates...

Ever since I bought this car there has been horrible belt squeal. It would scream on startup, and then go away as it warmed up. When I was doing all the fuel system work and lower pulley work I noticed that the bearing on my tensioner let go, replaced that thinking the wobble was the source of...

Does anyone know of any way to reduce the stock steering ratio or of any aftermarket steering racks that will fit our cars that have a reduced steering ratio?

Okay so for anyone not following my build thread, I did a Fore level 2 fuel system, and upped the boost on my 2.3l Whipple to ~24-25psi. Whipple said it should be okay for the redline I was at, so I went for it. Car performed well on the dyno and aside from a squeaky belt on cold starts the car...

Looking for a Thump RRR racing HD tensioner with the grooved 76mm pulley. Send me a PM. Willing to drive (almost) anywhere in SoCal.

Any of you guys with a healthy 03/04 Cobra near Fontana willing to let me borrow your Throttle Position Sensor and IAC valve to diagnose an issue on my car? It won't take more than 20 minutes of your time. I am chasing a shitload of air getting into the system post MAF and I think it may be...

I posted my concerns in my other build thread, but I don't think I get much traffic there since you guys are probably sick of my thread being refreshed by now. I have never ever heard a car sound like this after WOT. I have heard cars pop when the throttle is let off, but never to this extent...

I decided to make a build thread for my Return install. I already had a question right off the bat this morning so I figured it would be a good idea to just consolidate and document everything in one thread. I appreciate any help or advice you guys can provide in the coming days. :beer: Rough...

How the hell do you guys get this thing out? I can't get it with a swivel because it makes contact with part of the suspension. Can't get a straight shot at it, because of the same piece of suspension in the way. I will try to get a picture for you guys in a min. Everything I have looked at...

Getting ready to do a Fore Level 2 Return. Any tips you guys might have that people may have run into in the past? Issues to look out for? Never done anything like this, I have 4 threads saved to use as reference, just looking to see if you guys have any advice. Thanks.

Okay, so I know a lot of people come in here and claim innocence, but I shit you not, this is exactly how this happened. :( I went out to get some food and decided to take the Cobra out because I need to run the fuel out of the tank before I drop the tank. I left my home and started driving to...

So, I finally bought all the stuff to do paint correction on my 04 Cobra. I washed her with some dawn to get rid of all the old wax, clay barred, washed again with some Griot's Garage soap, did 2 passes with the orange pads and some advanced swirl remover. I was able to eliminate 90% of all the...

I have a Gen II 2.3 with a RR 2.9 upper and a stock lower. But the car is only making 17psi, which tapers off to 16psi at 6,000 rpm. I wanted to do more boost for E85, but the smallest pulley for the 2.3 is a 2.75, which they say will make about 1-2 psi more than what I have. So my question...

04 Cobra, dual FPDM and wire upgrades, fore hat. I am on a tight schedule, I am going to be doing a return setup soon, but I need to get some more pump in returnless right away. So with that being said, "Go return" is planned, but not really an option right now. What is the absolute...

Just as the title says. Will a pair of fuel pump drivers run a pair of Walbro 465 pumps? I am running out of pump on the dyno, and I am planning on doing a return style setup in the near near future. So I would like to avoid a Gt500 boost-a-pump and get the pair of fuel pumps that are planned...