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In my case the spark blow-out occurred when the throttle was nailed and the car downshifted simultaneously. The first immediate symptom was an audible loud pop in the exhaust. Re-gapping the plugs down to .28. -.32 partially resolved it but the instant onset of 13 PSI pf boost on stock COPS at...

I ran 3 different sets of GMS coils on my KB boosted S197. I ran their early coils for the 3-valve and then a few hard core versions. The GMS ALWAYS ran better and the car ran smoother and pulled harder. It also elimintaed spark blow out on hard downshifts which re-gapping alone did not fix for...

Are they anything like Brenspeed Detroit Rocker Camshafts?

My Autometer and Brenspeed's Dynojet wideband were right on each other when I dynoed there last. Also, Any tailpipe sniffer will be much leaner than an O2 sensor right near the header collector or manifold.

the ice will melt right quick, dont worry.

Not being a tranny guy, I had Level 10 build me a trans and its still working fine 4 years later.

O6 auto 100% stock suspension M/T ET Streets Best 60= 1.57

I dont ever get belt dust on my pulleys

Huh? Do you mean leaner? Rich a/f wont blow a motor, maybe wash fuel on cylinder walls a little. Lean will blow a motor because it causes pre-detonation of the fuel mixture. I dont think you can guess what the a/f ratio is and assuming it is going to be way rich (or lean) would be a mistake...

Really? Based on what? Your opinion or some factual information?

He posted that over two years ago....

So the important question is what did you 60 at before the anti-roll bar? Did it improve your short times at all? My suspension is 100% stock and Ive made 1.58 and 1.59 60s with ET Streets.

The 03-04 Cobra and the Lightning pump are both the same Bosch pump. The Johnson pump supplied by Kenne Bell flows slightly less.

Ive had several aftermarket COPs go bad. I had one fail last week.

Sounds like a bad O2 wideband sensor. My Autometer was doing same exact thing and I replaced the sensor with a new Bosch sensor. Now all better!

so if you have a catted H-pipe why not just turn on the rear O2 sensors?

FRRP stingers with Kooks LT and catted X-pipe

That would be an exhaust leak then.

My Kooks dont make that sound and I re-used used the stock gaskets and NO sealer.

A spool on a 12 second street car? Why?

Drifting? Probably not a lot of "drifters" in the Mustang community or on this forum. Drag racing? Well, then your in the right place.

That is some funny shit right there.

Just to let you know I dont think it will be lean at all, period. My tuner told me you dont need to tune for L/T headers unless you get a rear O2 sensor heating issue.(P0155?) I didnt listen to him though. (Brent White of Brenspeed) I previously had an A/F ratio of 11.5 at WOT with stock exhaust...

Nothing new. Ive seen several dozens of 5R55s failure since 2005

chrome moly tubing isnt a smaller diameter, It is usually the same as the mild steel. It just has thinner wall thickness. They are both going to be 1.75" used ina rollbar in most cases.