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89 firebird lo3 wont start

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Old 03-07-2012, 01:01 PM
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Car: 1989 formula
Engine: stock lo3 305
Transmission: 700r4
Axle/Gears: dont know
89 firebird lo3 wont start

im getting spark and fuel, when i was driving home i heard a noise and all the sudden the car was running bad when i got home i shut it off and after that it wont start, i floor it crank it over and it pops but thats all

anything will help
Old 03-07-2012, 03:21 PM
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Re: 89 firebird lo3 wont start

If you have spark and fuel the only things left are compression and timing.
Old 03-07-2012, 05:38 PM
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Join Date: Dec 2011
Location: sioux city iowa
Posts: 44
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Car: 1989 formula
Engine: stock lo3 305
Transmission: 700r4
Axle/Gears: dont know
Re: 89 firebird lo3 wont start

i was thinking compression, im going to pull the valve covers off first too see if anything is sticking or broke, and if not im going to do a compression test on each cylinder
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