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Blown away as in, "wow, you learn something new everyday"? I sure hope so. Another source with a detailed breakdown: http://www.ideas4ag-ed.com/uploads/3/7/0/4/3704787/stan_toepfer_understanding_motor_oil_viscosity.pdf

I used stock Ford gaskets with my headers with no issues. I would never use the trash gaskets Flowtech supplied with the headers. I was also expecting to reuse my stock studs but couldn't on the rear primaries so I used the Flowtech bolts on everything. They actally have a made on washer/lip...

That's the exact setup I have, you'll like it.

I've heard of some people saying Jet Hot brand headers don't fit on '03s but that is it. I don't see what difference there could be, maybe they changed the K member or something? I haven't heard of too many people running Flowtechs at all. I have them on my '99 and they fit great, but I do...

I think Ford makes the best header gasket. Too bad they are $80 for a set. I know a couple people who have run Fel Pro and both have had exhaust leaks. Might have been the gaskets fault might not have been, I don't know. I've heard Bassani makes a really good gasket, never seen one in...

When I had a JMS Chip, Mac Prochamber, pullies, and a K&N air filter (stock airbox) as my only power mods I made 253 rwhp @ 5,300 rpm and 291 rwtq @ 4,100 rpm. (SAE)

A plenum and TB should be worth a good bit more than pullies.

I have a hard time believing that just by looking at the Bassani's collector, it just looks restrictive, not smooth at all and it reduces in size way too much. I'd say Hookers, Flowtechs, Jet Hots or SLP's should easily make the most power.

So you had one S2000 beat your stock GT from a roll one time? Am I understanding you correctly? This automatically means an S2000 is faster from a roll than a GT? That's just not the case. In my group of "car buddies" like I said earlier there are 3 S2000's. 2 are stock, one has full...

S2000's are not fast cars. I hang out with a bunch of Mustangs and about 3 S2000's. All of the '99+ GT's will just rape the S2000's, even the stock ones. Roll, dig, doesn't matter.

A cammed/exhaust/tuned Bullitt should *easily* make 280 rwhp, probably more along the lines of 290 - 300 rwhp or so with the usual bolt ons and cams. A Mach 1 with with 4.30s & drag radials will have it's hands full with a near 300 rwhp Bullitt, seeing as how the Bullitt should also have gears...

If you want to stay n/a and get the most for least fo for 4.10s4.30s, drag radials, off road mid pipe, a set cams (VT, Comp), and a tune and you will ruin your dad's day.

I have driven several '96-'98 Cobras, a couple '99 Cobras, an '01 Cobra, and a couple of Mach 1's. I stand by my previous statement. 2V's are stronger down low than 4V's, the Mach 1 being the exception.

Go ahead, overlap the curves of a '96-'98 4V and a '99+ 2V, same mods or stock for stock. The 2V, on average, will make more peak torque and make more horsepower and torque below 3,000 rpm. The Mach 1 4V is the only real exception to the 4V being weak down low.

I thought Mike Tymensky was running low 9s with his n/a 4 valve?

The P-51 is intended to be an intake that doesn't sacrafice low. As far as powerband is concerned it is more of a Bullitt style intake than the Reichard style. Te P-51 shoudl be fine on an n/a Mustang. The Bullitt and especially the SVO intakes are expensive but they aren't worthless on an...

What is the SVO, Bullitt, Reichard, and P-51? :shrug:

I have the NGK TR55 Iridiums. I saw no improvement over the NGK TR55 coppers I've been running, although I'll leave these in longer than 15,000 miles since they aren't nearly as cheap as the coppers. When these come out the NGK coppers are going back in.

That is incorrect. '03-'04 Cobras dyno 370-380 rwhp as they come from the factory, ZO6's don't see those numbers, more like 330 - 340 rwhp. Despite their 405 horsepower rating they don't make as much power the the Cobra.

'96-'97 GTs have 215 hp. '98's have 225 hp. Stock for stock a '99+ GT will have about a 45 - 50 rwhp horsepower advantage over a '96-'98, with your mods I'd say you have about 200-205 rwhp, 20 - 25 rwhp less than a '99+. I think your 4.10s will offset that in a drag drace meaning it's a...