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Author Topic: Cranking but but won't start and no fire  (Read 2411 times)

Offline Bhawks

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Cranking but but won't start and no fire
« on: April 17, 2018, 12:31:53 pm »
Hi guys I got an 87 Silverado with a 350 carburetor This  dang thing will crank but not start I've changed the distributor cap, rotor, ign module, coil , fusible link , and ign starter on column. Any idea what else it could be I'm stumped going to change pickup coil this evening any ideas would be appreciated
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Offline Rapid Roy

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Re: Cranking but but won't start and no fire
« Reply #1 on: April 17, 2018, 12:55:48 pm »
Welcome to the site.
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1974 Cheyenne 10 LWB STOCK 350 W HEI /TH350/AC/4 BBL Quadrajet
Mopar by Birth
Chevy by Choice

Offline blazer74

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Cranking but but won't start and no fire
« Reply #2 on: April 17, 2018, 05:12:46 pm »
Check the ignition fuse.


Check for spark at the plugs.



Check for power to the coil with the key on and then for power when cranking.
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Offline Captain Swampy

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Re: Cranking but but won't start and no fire
« Reply #3 on: April 17, 2018, 05:55:21 pm »
Which fusible link did you check?
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1987  350TBI 700R4  4X4  4.56 gears  33" BFG All Terrain


http://forum.73-87chevytrucks.com/smforum/index.php?topic=32209.0

Offline Irish_Alley

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Re: Cranking but but won't start and no fire
« Reply #4 on: April 24, 2018, 11:34:25 pm »
these engines are pretty simple, air+fuel+compression= engine running. what distributor do you have? an 87 should be tbi but if you have a carb im wondering what else was changed and did it run before all this work?

have you verified its getting fuel? have you verified its getting spark? have you set your base timing?
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If you can’t tell yourself the truth, who can you tell it to?~Irish_Alley

When you have eliminated the impossible, whatever remains, however improbable, must be the truth ~Sherlock Holmes
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