why do i have no power???

MI95Cobra · Mar 1, 2007

after my new things that i added....i feel like i have no power, but i do have a header leak.....i can hear it when i goose it....would that cause a loss of power???

blksn955.o · Mar 1, 2007

You just had the top end apart didnt you? Like at least intake off.

Did the dizzy get pulled? If so maybe re-checking the timing with the spout out to make sure your at 10* base (or 14*).

Make sure the vac. lines are all good.

Nothing is binding up on the t-body or cable.

If its a big enough leak it will effect the power, every exh. leak lets in some fresh air that throws off the computer alittle. I dont know if a little leak you have to stick your head into the bay to track down will be THAT bad...but it could.

red95gtconvert · Mar 1, 2007

An exhaust leak will definately affect low end power, also larger exhaust usually moves the powerband up making it feel less torquey down low.

95five-oh · Mar 1, 2007

I had a bad header leak a few months back and yes, there was a definite loss in power especially down low. Not to mention it sounded like complete ass.

MI95Cobra · Mar 2, 2007

i checked around the engine bay....i have a small leak from the egr tube(where the nut closes the flange end) and the header right around the tube....could it be that???? also i pulled the spout to make sure it was timed at 14*.... but just to make sure the spout has to be out to be timed right, right???

red95gtconvert · Mar 2, 2007

With the engine not running remove the spout, start the engine then set the base timing and shut the engine off, put the spout back in.

mo_dingo · Mar 2, 2007

After you have verified your timing, spark plug order and connections, do a cylinder balance test and see if any seem weak.
Scott

MI95Cobra · Mar 2, 2007

when setting the timing should i disconnect the battery????

69clark · Mar 3, 2007

No, I've never heard of that.

Blackened302 · Mar 3, 2007

MI95Cobra said:
when setting the timing should i disconnect the battery????

no, just remove the little gray spout by the air filter and put it back in when you're done

MustangGT95 · Mar 3, 2007

Make sure you put it back. I drove around for a day trying to figure out where my power went. It was in my pocket in the form of a small grey spout.

HISSIN50 · Mar 3, 2007

If you disconnected the battery with the car running, there's a decent chance you can fry electronics in the car. Definitely don't do that.

Good luck.

MustangGT95 · Mar 3, 2007

HISSIN50 said:
If you disconnected the battery with the car running, there's a decent chance you can fry electronics in the car. Definitely don't do that.

Good luck.

Yup. Most people don't believe that because old timers check the alternator this way.

HISSIN50 · Mar 3, 2007

MustangGT95 said:
Yup. Most people don't believe that because old timers check the alternator this way.

I hear ya. It's tough to teach an old timer new stuff. In their day, cars had no electronics so there was nothing for the voltage spike to really destroy.

It's just a point that we try to remind folks of because so many old guys indeed do this [incorrect] test.

MI95Cobra · Mar 3, 2007

ok...i changed the header gaskets(i had put on the ones mac sent me)....i also got alan head bolts instead of the ones they sent me, i can tighten them better .....i also put heat tubing for the egr tube because i couldn't get the tube to set right......

69clark · Mar 3, 2007

Any change?

MI95Cobra · Mar 4, 2007

i'll let you know....i'm also in the middle of adding an amp(i can't stand the mach 460 amps) and sub....

MI95Cobra · Mar 4, 2007

ok....i got my horsepower back....must've been the gaskets...also my new amp and sub sound awsome....

why do i have no power???

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