Desperate help needed!!!
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Freshman User
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Desperate help needed!!!
Ok heres the short story. Truck (86 300 4 spd) broke down with the old single barrle carb. Checked spark and fuel. Had that. Decided to go and do the swap to a holley. I picked up a 500 holley and a clifford 2 barrel adaptor for the stock intake. Got it all hooked up and took off the smog pump and egr stuff. Truck still wont start. The carb is getting gas and still is getting spark. What could it be??? Almost at wits end with it. Help MUCH APPRECAITED!!!
Thanks
Matt
Thanks
Matt
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Freshman User
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I checked that starter spray. That is there. Choke cable is not on but i flipped the choke on manaully.
What could be off with the spark side? I checked the timing on the motor when it was running and it was dead on.
To the top
Thanks
What could be off with the spark side? I checked the timing on the motor when it was running and it was dead on.
To the top
Thanks
Posting Guru
Joined: Sep 2004
Posts: 1,556
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He means, spray "starter fluid" down the carb as someone cranks the engine (follow the directions on the can), it comes in a can.
If that doesn't start it, nothing will and you have serious issues.
Good luck
If that doesn't start it, nothing will and you have serious issues.
Good luck
Last edited by Motorhead351; Oct 27, 2005 at 07:11 PM.
Elder User
Joined: Feb 2004
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From: Indiana
You say you are getting spark but is it a good spark? I worked on a car once that the coil was going out on it, but when testing it showed okay. It would show a spark across the plug but not on a testing device. Are you using a spark plug to check it or a testing device? Is the cam moving also? Also maybe try a compression check. 
New User
Joined: Sep 2005
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What srercrcr meant was go buy some starting fluid from the store and spray it into the engine and see if it starts then. If it does then you have bad gas (like a tank full of water....could be the result of a pay-back). if it doesn't start then I'm going to put my money on a jumped timing chain (that is if you have a good spark). Does the motor sound funny when it cranks...like the compression isn't right?
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From: Malmo minnesota
timing chain
First of all, the timing on the 300 is gear dirivin so if there is fuel, has spark, chck the coil cause it might be bad.
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I am getting spark and it looks pretty strong.
How do you check the coil? I dont have a book on the truck which I really need to get.
Thanks Guys.
How do you check the coil? I dont have a book on the truck which I really need to get.
Thanks Guys.
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Well guys thanks for all the advice and help. Finnaly figured it out tonight. The shear pin on the dist gear was sheared cusing the gear to free spin on the dist. shaft. Tommorow going to get a new shear pin or new dist and it should fire right up.
Thanks again Matt
Thanks again Matt