dimebag

yes vac would cause that... give us a vid. and then get a vac guage and see how its vac is

ctgreddy

how do i test the vac? im pretty sure i have a vacuum gage but i have no idea how to work the thing. lol.

dimebag

uh... hook it to a vac line and watch...

ctgreddy

http://s12.photobucket.com/albums/a2...t=100_0562.flv

samseed101

LoL, gotta say that I have never heard anyone explain how they work before. It's one of those things that is so simple that it's hard to explain in terms that are any simpler.

samseed101

wow, lol.

90_Mustang_GT

Get propane and go over your lines.

Joel5.0

Yep....it's a vacuum problem. You have a vacuum loss when the piston goes through the exhaust-to-intake cycle there.......caused by the aftermarket cam you have installed there.

mrbigshot

sounds like someone put a biger cam in there. idle seems set to low and it may have a small vaccume leak as it seems to be surging. it lopes good but you can hear the idle pickup for a few seconds than flutter at the end. a lope is erratic like you have but engine speed doesnt change, just the eratic sound.

sounds like the same damn cam every mustang owner feels the need to install. the old e303.

e 303 in action