86f250/ 460 won’t start.
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86f250/ 460 won’t start.
Hey guys! I have an 86f250 rocking a stock carb 460 with the eidlebrock performance intake and doug thorley mid length headers and just changed out my timing chain from stock and replaced the stock cam with the sum-3500 and I can’t get it to start. Positive I’m getting spark and fuel and my timing is spot on. Any suggestions?
Elder User
Joined: Jun 2017
Posts: 610
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From: Willamette Valley
What have you tried? I got my hadn't run is 20 years stock carb on my 351 to start and run with a quarter cup of gas poured under the choke plate (had to lift it up). that was when there was no fuel getting through the fuel system or carb which you don't have going on but might move things further along for you...
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It ran great a couple of weeks ago when I pulled it apart. And I tried dumping gas through the carb and turning it over but still didn’t get gas down to the spark plugs( I pulled out #1 and #5) after turning it over for a bit. I’m leaning towards there being a valve train issue but I just don’t know enough about internals to make an educated desition. And thanks in advance.
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I checked that and double and triple checked it. Timing is correct as far as I know. I set it between 10-15* BTDC on the balancer and then installed the distributor on the #1 plug.
FTE Legend
Joined: Nov 2015
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From: Angier, NC
Does it sound like it wants to start but just will not catch?
Is it back firing out carb or tail pipe?
Did you try a little gas down the carb and if so what happened ?
You check for spark at coil & distributor what did you have?
Come back with answers and we can go from there.
Dave - - - -
Is it back firing out carb or tail pipe?
Did you try a little gas down the carb and if so what happened ?
You check for spark at coil & distributor what did you have?
Come back with answers and we can go from there.
Dave - - - -
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Thread Starter
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New User
Joined: Nov 2018
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Does it sound like it wants to start but just will not catch?
Is it back firing out carb or tail pipe?
Did you try a little gas down the carb and if so what happened ?
You check for spark at coil & distributor what did you have?
Come back with answers and we can go from there.
Dave - - - -
Is it back firing out carb or tail pipe?
Did you try a little gas down the carb and if so what happened ?
You check for spark at coil & distributor what did you have?
Come back with answers and we can go from there.
Dave - - - -
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460 Ford timing problems
*** I GOT HER RUNNING***** on the balancer there is a line going all the way across at about 8-9 BTDC. I set it right on that line and she fired right up! Thanks for all the help guys!!!
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