LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

No Tuna Can times.

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Old Sep 18, 2003 | 03:37 AM
  #1  
revtime's Avatar
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From: Kansas City suburb of
Unhappy No Tuna Can times.

I went to the track to get some times with and without my dryer duct ram some air.

I ran 13.60@103 with the tuna can but I could not get the car to run anything close to some consistent runs so I did not take it off cause I have come to the conclusion I have some fuel problems. MPH over 4 runs was all over the map from a high of 103 to a low of 99.
The car should be running faster than it is and I am beginning to think my fuel pump is gettin weak, 135 thousand miles on it so it don,t suprise me, getting hard to start as well.
Time to install the Granatelli pump I have sitting in my toolbox.

I will have to put the dryer duct ram air vs just CAI shootout on hold
(sorry Mentalcaseone I tried)

Fuel pump and FPR should cure all, its about the only thing that has not been changed recently.
Old Sep 18, 2003 | 06:17 AM
  #2  
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From: Hawaii
I will have to put the dryer duct ram air vs just CAI shootout on hold
Thanks for trying buddy. One thing I wanna share, before you go the big expense of changing a fuel pump, I once tapped into the Coolant Temp sensor at the water pump and for 3 consecutive days it developed morning sickness. Hard starting and baraly going till it began to warm up and it was fine again. I removed the load I had added to it and boom she starts at the first try now.


The sensor its only 9 dollars. I didnt have to replace mine since its fine. Get your Digital Voltage Meter and take a reading in the morning when cold. Compare the ohms results to the Chiltons book or go to Soeboxs website, he has the table posted. If its too dificult to take readings... just replace the darn thing... who knows you may get lucky.

Marvin
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