Choppy acceleration when shifting gears, clutch or tranny problem on 09 GT? - Ford Mustang Forum
 
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post #1 of 1 (permalink) Old 09-29-2012 Thread Starter
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Joined: Nov 2005
Location: Gardena
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Choppy acceleration when shifting gears, clutch or tranny problem on 09 GT?

Hello everyone, I'm a long time member but usually on the classic board with my 66. My 09 GT is starting to give me issues so I'm starting to think about giving it more attention.

Here's my issue- I'm getting really choppy acceleration when engaging gears that seems to be getting worse, and the point that the clutch pedal engages seems to be getting higher and higher. My obvious first thought is that the clutch is going, but at about 46,000 miles I'm on my 2nd clutch that was last replaced by the dealer at around 25,000 miles. It was doing nearly the same thing the first time, and the dealer told me the clutch was badly worn and the flywheel was warped when they replaced it. He told me I must be driving it hard or riding the clutch... His first thought might be true, but as far as riding the clutch, I don't. I've been driving (less powerful) manual cars for years and have never had a clutch behave this way.

I thought about taking it back to the dealer to have them do it all over again since the warranty still applies, but I'd rather not keep doing this over and over. I've heard a lot of feedback that the factory transmission and clutches they put in these cars are crap and not up to par with the output they produce. What are my options for aftermarket?

As far as my use and intentions with this car- it's my daily driver that is not destined for the track, but it might eventually become more of a toy as aftermarket prices drop. I like to go fast but not looking to compete. So far I have a C&L CAI with the Diablosport Predator 91 C&L racer tune, Steeda underdrive pulley kit, Magnaflow mufflers and a B&M short shifter. It's a California Special so it also has 3.55 gears, but outside of that it's a factory 4.6L, 5 speed. I do get through the gears pretty quickly when driving around, and I realize this might be too much for the factory setup, but I'd rather just bring the car up to my driving style vs. the other way around

Is there anything else to consider before I look at replacing the clutch? If I do, what would be a good clutch and flywheel option that allows room for expansion? My money is all getting funneled to my 66 right now so the budget's tight, but this seems to need some attention soon. Thanks any and all for the help. -Ken

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