96 Ford Probe. Has Studder Need In-put

Well i traded off my F-150 and stampede hundai of greeley and the probe ran alrite while it was on the lot just had a little studder at idle. But now it studders most of the time and it is so bad when i am letting out the clutch into first. It has after market intake and exhaust and an over sized cam. If you have any suggestions than please let me know.

Is your check engine light on? If so, go to autozone or murray's and have it code tested, that will tell you what the problem is, or at least get you in the right direction. Also, try probetalk.com

See if your intake manifold is leaking. You can use wd40 or carb cleaner or similar spray it around the gasket, if the engine changes speed you've got a leak. If you're lucky it'll just be loose bolt or two, otherwise the gasket is about $5.