Swap out the 02 sensors and only buy new ones from Ford or Motorcraft. My 2002 GT gave me a fit and would run great at WOT but spit, pop, buck, and surge after I put Bosch 02 sensors in it and I went straight to Ford and got two new Motorcraft ones and my problem was solved. Also make sure if...
I never had anything put in my heads. The valves, springs, and everything has over 100K miles since I installed them and it still runs great. If you were talking about some Pro Comp eBay heads then I agree but the TFS are nice out of the box.
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It's nearly impossible to port a stock PI head enough to outflow a TFS head out of the box. They also come with replaceable cam journals and better/bigger valves and springs. They are a tad expensive but worth every penny to me. I wished I had bought the ones that were CNC ported from Trick Flow...
I have TFS heads and Stage 2 TFS cams with a Bullitt intake and made 353 RWHP with a stock 2V bottom end.
I love my 2V...
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I do need to swap the fuel pump because it has the stock pump in the tank and over 260K miles on it. It wasn't starving for fuel when it was on the dyno though. If I make any more power though I am sure it will max out soon. I maxed out 24lb Injectors at 335 RWHP. The tuner told me they were at...
The post you quoted was kind of old. I have since installed the K-member, a while back, and just upgraded the rear end with 3.73's, 31 spline Moser axles, rebuilt 31 spline Cobra Trac-lok, and all new bearings and seals. I did the rear axle a few weeks ago. Here's a photo of when I pulled it...
What fuel pump are you running? I loved the stock Terminator clutch but when I did the Magnum swap I needed a 26 spline input clutch so I lost mine. I am very happy with my McCleod clutch though. I said Ram in an earlier post but it is actually a MCCleod so I will go back and edit the prior...
I have a stock bottom end 4.6 from a 2007 or 2008 Crown Victoria. It had 29,000 miles when I got the engine from a salvage yard. Below are the parts I put with the stock bottom end.
Trick Flow Stage 2 cams
Trick Flow 38cc heads
34lb Ford Racing Injectors
Stock Bullitt Intake from 2001 Bullitt...