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Thread: I Need Major Help!!!!!!
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05-23-2007, 10:22 PM #1
- Join Date
- Oct 2006
- Location
- Texas
- Age
- 36
- Posts
- 32
Black- '94 Z28
I Need Major Help!!!!!!
I can't figure out what is wrong w/my Z. Its a 94 Z-28 M6. I had a fuel pump go out and thought it wuz the opti so i bought a new MSD Billet Opti, MSD GM Blaster coil, MSD 8.5 super conductors, and NGK TR55 plugs. We got all that put on and it wouldn't start so i knew i had to be the Fuel pump. I installed a Walbro 255LPH and it fired out after awhile of turning over. I figured that the excess turning over wuz due to a fuel shortage at the motor. Well i got to noticeing that when i stop sumwhere and kill it, it takes forever to start back and sumtime the starter grabs the flywheel when its tryn to crank. Also when driving i have to ride the clutch to keep it from dying. and 5&6 if im tryn to cruise the shifter shakes L-R really hard. I can't hit 6th till about 65 MPH other wise it get to shaking sevearly. I drove halfway across Tx and when i got 2 the place i wuz goin i popped the hood and put water on the headers to see what cylinders were cool. 1,2,7,8 were nice and hott. 3.4.5.6 were not very hot, it took alot long for water to burn off. I took it to the track just to see what it would do. Launched at 2500 chirped twice bogged down to 1500ish and wuz extreamly sluggish up to 3000 then went good to 4500 the started trying to bang out. The thing that has me puzzled is in the mornings when its sat all nite i can go out and it pops right off and runs AWESOME for about 10-15 min.
Does anyone have any advice on what to do or has had this problem be4????
Thanks,
Steven
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06-06-2007, 06:02 AM #2
Whats the gap on the new plugs?
Fuel filter dirty? What kinda fuel pressure are you getting at the rail?
All wires good and tight? Going too the right cylinders?
J2001 SS, Its not the car its the Driver that matters....
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06-18-2007, 09:57 AM #3
- Join Date
- Nov 2005
- Location
- Kingman, AZ
- Age
- 43
- Posts
- 60
Sebring Silver- 97 Camaro Z28
Did you ever figure this out.. Check everything listed above and also check the fuse block under the hood. Check the fuel injector fuse's.. There should be 2. I had this happen on a friend car, one fuse pop'd for some reason and car was only running on 4 cylinders..
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06-18-2007, 07:11 PM #4
- Join Date
- Oct 2006
- Location
- Texas
- Age
- 36
- Posts
- 32
Black- '94 Z28
turned out 2 be the opti. i dun put a used one on there and its tryn 2 go out on me now. im tryn 2 find my receipt for my msd opti so i can send it back
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