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This is one of many different short runner designs I've worked on over the years. This particular one sacrifices very little torque and picks up around 12 peak hp and 35+ at 6700 on a simple bolt on car. Something with a cam should expect 50'ish+ HP around 7000 RPM. The comparison was...

Test Finished

Hopefully putting this info its own thread will help clear up the confusion caused by the oil viscosity change in 2001. Nobody should be running 5w20. The switch from 5w30 in 1999 to 5w20 in 2001 on identical engines had nothing to do with wear or reliability issues and everything to do with...

To put things into perspective, I've been following this topic since 2001. I can plainly state that there has been oil pump failures related to Steeda and other small diameter dampers that are too numerous to count. Since their has been some confusion about the function of dampers I'll update...

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Cam Science 101 and Beyond Introduction How often do you finish reading a tech article on camshafts and feel like you’re more confused than when you started? Magazines and the internet are filled with hundreds of articles attempting to explain how camshafts work, and trying to make sense...

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Need 99+ or newer DOHC intake manifold for parts. Any condition. Pre-fix OK. Todd

Ford site specifies roots... http://media.ford.com/newsroom/feature_display.cfm?release=20701

These tests were performed back to back, on the same day, same dyno (Dynojet 248C) and are SAE adjusted. Best numbers with the Densecharger with much tuning was 325.2 rwhp & 321.8 rwtq. Swapped in the JLT CAI and new best numbers were 331.6 and 324.7 That's a solid increase of 6.4 hp &...

Put the Cobra on the dyno this weekend and came up with some crazy data. Even with short runner intake the motor peaked HP at only 5,500 RPM. In addition the graph goes nutty at 6500 and over (maybe misfire?). And of course, the numbers are very low for the mods. Not sure what's going on...

Anybody upgrade these pieces and have the originals for sale? Todd [email protected]

...to put 03 halfshafts in 01 differential. Both are 31 spline but have heard something else is different that requires side gear swap:shrug:

Well, finished installing my JDM L/T's about a week ago and have to say right up front. Easy install!! I didnt have to raise the engine, drop the cross member or remove the starter. The headers come with each primary tube separated from the collector so you can install them one at a time. The...

Well, jury will be out until I go to the track in two weeks. Not really sure about the level of improvement. Seems stronger in the higher gears but very little if any. I know the butt-O-meter isn't the best method but I felt more improvement with my Densecharger. Something odd. This exhaust...