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I've pretty much exhausted the performance bolt-on mods. I would like to stay n/a so my next mod will probably be custom cams and polished & ported heads. What else will I need with these mods? Is the stock fuel system sufficient, i.e., fuel injectors and fuel pump? Do I need to replace the...

I just installed the Steeda carbon fiber CAI, which includes their GT high-flow air kit and their new carbon fiber inlet pipe. This intake system replaces my C & L TrueFlow inlet pipe, K & N filter, stock air box, and shortened air silencer. There was a noticable improvement in acceleration...

Just got my Mustang back with a rebuilt Ford motor. Is there a break-in period? What should I watch for? Should I use synthetic oil right away or should I wait?

As many of you know, my engine seized due to broken oil pump gears. My warranty company refuses to pay for the work because my car has headers. When I quoted from the Magnuson-Moss Warranty Act, they didn't seem to care. This Act is a broad-ranging federal law that protects consumer rights on...

Let me explain what I think, and you correct me if I'm wrong. Power adders, like blowers and nitrous, actually add horsepower to an engine. In contrast, bolt-on modifications free-up horsepower by using aftermarket parts that are more efficient than the cost-effective factory parts. For the...

I am having my engine rebuilt. I would like to trade out the cams. For the next year or two, I will probably run n/a and then add a supercharger. What kind of cam should I get?

I reported earlier in the week that my engine froze up. Having reviewed my service records, the warranty company ordered an autopsy. I just received word from the Ford dealer that the cause of my engine's death was that the drive gear on the oil pump broke. The next hoop will probably require...

Check out this sale ad.: http://www.carsoup.com/used/detailPrint.asp?usedVehicleID=1684983. Is this really a Mach I converted to a convertible?

On Sunday, I was driving on the freeway. When I accelerated, the car responded up to about 90 mph then it started to decelerate. I kept pushing the gas pedal but there was no response. I had AAA tow my car to a local Ford dealer where I have had other work done. They called this morning to...

I was driving on the freeway. I accelerated to pass another car and my car died during acceleration. The car will not start. I had to have it towed. I used my Diablo Predator to check for error codes and the number PO320 came up. According to the Predator, this refers to the...

According to my Diablo Predator, both codes indicate, "02 Circuit Slow Response." I was able to erase these error codes but I wonder what they mean. Any ideas?

I'm guessing that a 4.6 2v with all the bolt-ons, p&p heads, and custom cam would put out 320 rwhp. Any other guesses?

My exhaust system consists of Hooker LT headers, o/r x-pipe, and most recently, Magnaflow catbacks. Needless to say, my car was loud. I also noticed that I lost some low end power. To quiet down my car and regain some backpressure, I purchased 3.5 inch baffles from Bassani. They slipped...

I have an automatic. When I run in first gear and go over 5000 rpms (approximately), the car cuts out. Is this the rev limiter or do I have other problems?

Attached are pictures of my Autopower 4-point roll bar. I purchased it from steeda.com. The naugahyde roll bar padding is also by Autopower. I purchased it from Pegasus Auto Racing Supplies. What do you think? Sorry but I am unable to upload my Mavica files. I will try later.

My 2001 automatic is rated at 208 rwhp (260 bhp). Having spend $2000 in bolt-on modifications (see signature), I've added about 47 rwhp putting me at 255 rwhp (319 bhp). If I had a 5-speed, I would be at 265 rwhp. When I read other people's signatures, it seems like they are making a lot more...

Everyone agrees that the Mustang exhaust is restrictive, whether it's the exhaust manifold, catted h-pipe, or the catback exhaust. If you eliminate some of that restriction by replacing stock parts with performance parts, you can add horsepower. What happens, however, if you replace all three...

I finally completed my exhaust system. For a couple months, I have been running my stock catbacks with Hooker LT headers and o/r x-pipe. The headers and x-pipe slightly increased the sound. Today, I installed Magnaflow catbacks and my car is increadibly loud. I know that I will get grief for...

I know that there is a lot of debate about the air silencer, whether to remove it, keep it, or shorten it. How about removing the air box? Rather than worry about grabbing air that is a few degrees cooler, allow the air filter to have access to more air. For example, the Steeda High Flow Air...

I raised this question in another thread but I wanted to reach a broader audience. What do you think? The stock 2002 Firebird has 310 bhp and 340 ft/lbs torque and weighs 3341 lbs. My modded Mustang has 310 bhp and 360 ft/lbs torque and weighs 3429 lbs. Even if the horsepower is underrated...