Runs slower after new metal head gaskets

[mindsusmc]

Am loosing my mind on this deal. We replaced the clutch with a stage 3 clutch,
and changed the gaskets, valve seals and got the engine machined.

now, when i received the car back, my ride is slower than when it was stock, and when i turn the car on... i rev it up to warm the car and the RPM drops fast, and when i start to drive it, when changing gears, the RPM goes back so low that the car almost shots down.

the engine also sounds diferent
I love my supra, but son is leaving me broke... it used to run faster before...
i dont know fellas, what can it be, cuz i looked for a vacum leak...dont see any!
I need yahs help!

 

[IJ.]

Incorrect Cam timing perhaps?

 

[mindsusmc]

Incorrect Cam timing perhaps?

Dont know, but the sound that its making would be more of a clicking, almost as it were a fan near the back of the engine...
ive tried taking it to get dyagnostics done, but no shop deals with supras.
how can i check if its the cams?

 

[IJ.]

Crank pully at TDC on the firing stroke the Cam pully marks should be at 12 o'clock.

 

[mindsusmc]

So because of the cams is why the car aint running as good anymore?
and is that also why the engine sounds diferent and its RPMs go down when its warming up?

 

[IJ.]

It's only a guess on my part based on your description and is worth checking.