Quote:
Originally Posted by NJGOAT
ummm...OK, here are the exact changes to the "Bullitt" versus a standard GT of the same year:
- Cobra SVO intake manifold with twin 57mm throttle bodies (there was no functional hood scoop).
- Alternator and windage tray from a Cobra.
- Unique exhaust system tuned to sound like the car in the movie "Bullitt".
- More aggressive springs (from SVO catalog) lowered ride height 3/4".
- Brushed aluminum fuel door.
- Aluminum shift knob and faux medal grip pedals.
- Vintage style seats.
- American Torque Thrust "D" style rims.
- Stock GT brakes and calipers, but the calipers were painted red.
- Horsepower was up 5 from 260 on a GT to 265 on the Bullitt.
- Torque was up 3 from 302 on a GT to 305 on the Bullitt and both peaked at 4,000 RPM, though the Bullitt had about 10% more area under the curve.
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And lowered springs, higher spring rates, retuned shocks, bigger sway bars, and the vented Brembo discs from the Cobra (13" front, 11.6" rear). But you're right, the shaker scoop was on the Mach 1.
Quote:
Originally Posted by NJGOAT
On the performance end, Bullitt's achieved 0-60, 1/4 mile and braking distances equal to a basic Mustang GT. It did achieve about .4 more MPH on the skid pad (63 flat for the GT, 63.4 for the Bullitt) and was a tick quicker in the slalom.
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And actually about .3 quicker in the 1/4mi and several feet shorter in stops.
Quote:
Originally Posted by NJGOAT
Yes, it was a sticker job. They added no real or discernible performance to the car. The main changes were related to looks with painted calipers, different rims (that eventually became standard Mustang equipment) and some aluminum bits, different seat cover and gauges. The intake was a nice bit and a lot of guys bought them to add to GT builds that used force induction, however, naturally aspirated the intake showed little gains and was a very expensive piece.
The later Mach 1 was a much better effort and used a version of the old (96-98) Cobra 4.6L with DOHC and 32 valves and that is the car with the "shaker" functional hood scoop. That car made 305 horespower and had more aggressive gearing in addition to the appearance changes. That car was legitimately faster than a regular GT and split the difference between the GT and S/C'd Cobra. The Bullitt was never anything more than a sticker job/collector car.
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No, it was not just a sticker job -- there were also actual mechanical upgrades that did add discernible though not necessarily substantial performance gains. The numbers wrung out of a GT in perfect conditions could be reproduced more consistently with a Bullitt. And of course the Mach 1 was a "better effort" because it was a much more thorough reworking including an upgraded engine, whereas the Bullitt was, and was always intended to be, a modest revision of the GT. And they were each priced accordingly. That's like saying the ZO6 is a much better effort than the Corvette GS. Well yeah, because it's supposed to be, and you'll pay for the difference.
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