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Jason, I was actually going to purchase a set of AFR 165 today until I read this. Are you sure that this is not a common problem with your heads. What is your warranty if I buy these heads and they have the same problem this person had. Can I return them and will you pay the shipping to and...

Ricks, Where in Detroit do you work. The mustang is not even being built in Detroit. There are 5 assembly plants in the US that the new Mustang will be built in. None are in Detroit by the way.. The dealer ship I work for sells more Mustangs than any dealership in the conutry. We deliver...

I had the same problem I was only getting about 150 miles to the tank. I did everything and I mean everythingn I could to fix it. Nothing worked until I finally tore the engine apart to replace the rings because it was smoking some. After I replaced the rings and reassembled the engine. The...

I bought the Mac x-pipe and it fit like a glove. I love the sound and power.

Do not belief this guy, he is nothing but a good story teller that is all. You see I work for one of the largest Ford Dealers and the 05 Mustang has not been released to the public yet. In fact the first 05s' to be released to the public will be the 6 cylinder model with the GT to soon follow...

Your problem is the choice of Torque convertor. With that cam and intake you will need at least a 3500 stall and a set of 4:10 gears. Also 10:1 is way off it should be around 12.5 to 1. The next thing I would do is contact the folks at Superchips and have a custome chip burned for it. Also...

Funny, I am an engine builder and I have installed many a PP throttle bodies and intakes on the stangs I build. I have only known of a couple of people who had the problem you described. Bothe installed the unit wrong and once I removed it and re installed it it worked fine. DO NOT DRILL A...

Yeah and about three times the cost as well

Please don't take this the wrong way, But Where do you get your numbers from, Saying he will only pickup 10-15 horsepower. Have you ever bolted on a pair of Gt40P heads and a Cobra Intake on a basically stock mustang before. Seems to me you have not, and are pulling those numbers out of thin...

I have a simular combo and I run in the low 12's. I am running on BFG Drag Radials and I have a lot more suspension work done than you do. Here in lies the problem of your stang I think. The only suspension work you list as being completed is the lakewood drag shocks. This may help some but...

Tryn these people they have 306 and 308 short blocks for a reall good price. I bought one and it is a superp shortblock very professionally done and the power I am getting is outstanding. They ship fast to...

Seems a bit high for your car and mods. I have an 89 LX with underdrive pullies, Headers, X pipe Flowmaster cat back, 355 gears, Electric fan, 5 speed, everthing else is stock and it runs 13.83 my 60 foot times are 1.96.

Which year explorer intake do I need to get that will be a direct bolt on for my 89 LX 5.0. I know there are many different model years and some need extensive work to make fit right. I want to keep all of my smog and A/C equipment. Thanks

I just sent you an email requesting a quote to port my factory intake on my 89 stang.

No my current combo runs low 12's @ 113 MPH.. I just bought a 1989 LX 5.0 5 speed that is bone stock right down to the factory exhaust and air silencer. I would like to make this 1989 a 12 second sleeper that looks completely factory stock. I want to do all the work to the stock components...

Has anyone built a sleeper before and if so what was your setup and HP along with 1/4 mile times

Hello all, I just picked up a 1989 LX 5.0 5 speed with 167000 original miles and the car is completely stock. Still has the air silencer and the factory exhaust. I would like to make a sleeper out of this car in hopes of running 12 second 1/4 mile times. I want to keep all of the stock...

I run 12.086 @ 113 MPH with 1.7 60 foot times. I am selling this car for 5000.00 on ebay, so if you know anyone interested let me know. Thinking of going modular 4.6

Well my heads are not only ported and polished, but I am also running larger valves and a ported and polished intake manifold, also the N41 Camshaft is simply incredible it was what put me over 300HP mark... By the way the GT40P heads added almost 40 HP after I bolted them on.

Well I am making 331 RWHP with my setup and with no power adders. Here is my setup: 306 GT40P Heads Ported and Polished with 1.90 x 1.60 Valves Crane .550 lift Spring Kit 1.7 Roller Rockers Professional Products Typhoon Intake Manifold Ported and Polished Mac Cold Air Induction...