Schwerin
Well-Known Member
1st aside the 2-4 Gearing is just a MACH1 3650 with 0.1 added. Heck the Mach1 5th is our 6th.
You didn't see Mach1 guys complaining about long gearing. They just slapped in a 4.10/30/56 and called it a day.
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I went to the dragstrip in Milan MI yesterday. Here are the results:
You didn't see Mach1 guys complaining about long gearing. They just slapped in a 4.10/30/56 and called it a day.
BrettT
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The gearing in the Bullitt is no different than any MY18+ MT82. If the car is performing worse than a GT PP1 MT82, then there must be some issue..
revinto7
Well-Known Member
hardly modded with a tire and an air filter ---stone stock 12.03 on stock tire @ 114 so no Excuses for the bullitt
..this car is over rated pig !!! 480 hp should be much faster than it is ,,at least the trap speeds should be up there 116-117 not 113
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sicilianjg
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Motorweek was doing 12.9 Car and Driver were doing 12.8 to 12.4 in a Bullitt it all depends on the driver! The Mustang Bullitt is no race car and I myself did not buy it for that reason I already clocked my time and I can do the 12's with no problem with street tires however, I did change the long stroke factory shifter and exhaust system.
revinto7
Well-Known Member
I personaly think the intake manifold throttle body and intake is hurting the bottom end in return of 10-15 hp 400 rpm longer and higher where the car doesnt live at on daily basis
revinto7
Well-Known Member
60ft lb does not compensate 400lbs ..bottom line is the car should be a bit quicker than it is thats all im saying .In my opinion the car is gorgeous im just dissapointed in its performance thats all ..If your happy with it god bless you !!!I think its a good looking Turd !!
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Schwerin
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No, but 60ft lbs, and a modern auto does make up for that.
I look at it like this, less power than a 2011 GT500, longer gearing, 70hp less and 90tq less, while still being faster in very measurable way and having many more modern conveniences.
The BULLITT has always been more about handing and features than straight line(part of why I don't get why it doesn't have the PP2 package).
If you wanted a 1/4 car you should have gotten an A10, if you wanted a road racer you get a base model PP2. If you want a nice, more retro looking comfortable road cruiser you get the BULLITT. Personally I drive my car to work than I spend at a track so its track times, means little to me. Which Is why I just added the FP suspension upgrade and will eventually add a 4.09, mid-pipe and tune then call it a day.
The A10 also is faster than the GT350 in a line. Guess you should go tell all the Shelby owners they bought turds.
I look at it like this, less power than a 2011 GT500, longer gearing, 70hp less and 90tq less, while still being faster in very measurable way and having many more modern conveniences.
The BULLITT has always been more about handing and features than straight line(part of why I don't get why it doesn't have the PP2 package).
If you wanted a 1/4 car you should have gotten an A10, if you wanted a road racer you get a base model PP2. If you want a nice, more retro looking comfortable road cruiser you get the BULLITT. Personally I drive my car to work than I spend at a track so its track times, means little to me. Which Is why I just added the FP suspension upgrade and will eventually add a 4.09, mid-pipe and tune then call it a day.
The A10 also is faster than the GT350 in a line. Guess you should go tell all the Shelby owners they bought turds.
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martinjlm
Retired from GM
Seems like something is up. Maybe in your gearing or in when you chose to shift. Your reaction times and your 60’ times look really good. I’m almost always under 13s at Milan in a bone stock (not even CAI) Camaro convertible. Pretty sure I’m lugging more weight and have 25 fewer hp. I would expect you to be 2 - 4 tenths faster than me in the quarter. Your reaction times are very good. Waaay better than mine but my 60’ times are better, so something is happening early on. Probably the wheel hop you’re talking about or you’re dropping a lot of torque in the 1 - 2 shift.
revinto7
Well-Known Member
they did buy turds !!! I also have an 18 A10 PP in Royal crimson pearl which is Fast and good looking THATS Not A TURD !!! thankfully ...although the bullitt does ride and drive nice ,So maybe a few mods and some BOOST and i will feel differently !!!
Schwerin
Well-Known Member
He's also shifting at a point that engines already peaked 6-700RPM earlier. Dynos show HP peaking between 7000-7250. By 7800 you're making as much HP as you do at ~6300, but with about 50-60ft-lbs less
Peak TQ is at 5000. So to hit that you need.
7700 1->2
7400 2->3
7200 3->4
To hit where the graphs cross(5250rpm) you need.
8100 1->2 (rev limiter basically)
7750 2->3
7470 3->4
Shifting at 7800 every gear not only means you are well past peak HP, but you are shifting into TQ that is already dropping off. In either example 7800 in ever gear is just to high.
I'd try right at rev limiter for 1-2 and just under 7800 for 2-3, then try 7700 1-2 and 7400 for 2-3.
Likely also, if on stock rubber, getting some spin on both shifts.
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GreenS550
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Interesting comments all around. But, anyone that thinks they know their 1/4, 60 ft, etc without going to the dragstrip are going to see the truth when they go to the strip. I saw the 1/4 mile times from C/D, MT, etc. I do think with some practice and messing with the launch and tire pressure the car could do high 12's. But, I do not for a minute think this is a 12 second car stock tire pressure, etc. I have no idea where the magazines got their times from, but would love to see the actual slips.
I have been drag racing for 45 years and not just some kid on the street. At the dragstrip where it is real and there are time slips. I did not and do not power shift. I stand on the fact that shifting out of 1st at 51 mph is ridiculous. I also realize that there are better drivers than me. I am really irritated with the track management that day. Very slow considering the small number of cars. With my '11 I was hitting my 1/4 mile times within a 1/10 second consistently. But it takes time.
I am thinking that these are the perfect gear ratios for a PD blower which I'm installing within the next couple of weeks. Arriving on Monday from Whipple.
I have been drag racing for 45 years and not just some kid on the street. At the dragstrip where it is real and there are time slips. I did not and do not power shift. I stand on the fact that shifting out of 1st at 51 mph is ridiculous. I also realize that there are better drivers than me. I am really irritated with the track management that day. Very slow considering the small number of cars. With my '11 I was hitting my 1/4 mile times within a 1/10 second consistently. But it takes time.
I am thinking that these are the perfect gear ratios for a PD blower which I'm installing within the next couple of weeks. Arriving on Monday from Whipple.
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