car has basic exhaust mods, 3rd cat removed with x pipe installed and expansion II mufflers, ill try to get some undercarriage pics but it has minimal surface rust and nothing major.
This is a 98 Mark VIII LSC black/black car has 95XXX miles on it, clean title and good inspection until 2014
It has some upgrades such as...
SCT Tune(lonnie)
Custom Exhaust
Under drive Pulleys
Cobra Intake Manifold
4.10 Gears with trac lock (installed less than 5000 miles ago with new axles)...
check engine is not on its not giving me any codes either, i changed the fuel filter a little bit ago and checked the fuel pressure which was good. the imrc arent gummed up becuase i can see them opening when i rev the motor in park and i can move them freely with my hand. i was thinking...
my 98 mark viii lsc has been having a problem for a while now that is really bugging me. when the car hit 3000 rpms the motor seems to miss and the car goes no where as is it has no power at all. and also off the line its very sluggish. im also only getting about 16 mpg when i drive 55mph for...
hello everyone, my name is andrew i live in NJ, i currently own a 98 mark viii lsc black/black. currently need a part for it however if anyone has an imrc control box they dont want let me know...mine is fried:( look forword to discussions in the future.
its most likely the imrc delete this causes a good amount of torque loss which is causing you to have a slower time off the line until you get to around 3000 rpm
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