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I have one from my 03 Cobra with less than 1000 miles stored in my garage.

Went to the dyno last week to check out the new tune for the 2.93 pulley. Numbers were not quite what I had hoped and we notice a slight misfire at 5500-6500 RPMs. Attributed the miss to spark blowout from the extra boost so I decided to change the spark plugs and lower the gap. Here is where...

It was noted in an old thread, concerning the pan head bolts for the IRS, that the 00Rs may have been delivered with a simuliar bolt Ford had developed. Can some one with access to a 00R please check and see so we can find a part number if it exist. Added: Sorry about the lack of details. It...

It was noted in an old thread, concerning the pan head bolts for the IRS, that the 00Rs may have been delivered with a simuliar bolt Ford had developed. Can some one with access to a 00R please check and see so we can find a part number if it exist.

Here is one for the tuners. We know that the stock A/F ratios are lean in the lower RPM range and are rich in the upper RPM range. It appears to me, from the dyno sheets I have and others I have seen, that the tuners more or less pivot the A/F table to richen up the lower RPMs and lean out the...

I am in the process of building a homemade pulley puller and was wandering if anyone could give me the measurements for the front and back plates. I have all the information I need for the hardware I just need the basic dimensions for the plates. Any help would be appreciated.

I was talking to an aftermarket parts manufacturer today concerning a mas air upgrade and a chip for my 03 Cobra. I mentioned changing the upper pulley and he said he was changing the lower pulley on a 03 HD tomorrow and replacing it with a 03 Lightning pulley and would gain approx. 2 PSI of...