351m 460 swap
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New User
Joined: Apr 2011
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351m 460 swap
I recently changed the motor in my 77f150 to 460. The 351 ran still but I got a deal on the 460 it ran very well so I swapped them out also I used the 351 ignition system for the 460 did not change anything to wiring or interal parts but I can not get this engine to fire up for nothing rebuilt the carb it gets fire from the coil ect I am just stuck at this point any suggestion?
Cargo Master
Joined: Apr 2009
Posts: 3,038
Likes: 4
From: South west Idaho
Was the ignition ,coil , dist. working right with the 351m ? If so all i can think of is that a connection is not being made someplace , maybe a loose or broken wire. Check the rotor to make sure it's not cracked or broken , cap too . Change out the coil to dist. wire , may be broken. That's all i can think of this early in the morning , just on my first cup of coffee.
Fleet Mechanic
Joined: Jun 2013
Posts: 1,895
Likes: 32
Haha, I'm on my first red bull Jim..(need to quit em).. anyways, Wilford, check you're connections at the duraspark box (grey box on the drivers fenderwell) very well and the connections into the distributor.. you're just missing a loose plug somewhere.. I'm upgrading to a hei style distributor soon In hopes of chasing off all my ignition uncertainties.. just walk away for a minute then the problem will be right there when you go back. . Good luck!
Fleet Mechanic
Joined: Jun 2013
Posts: 1,895
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Is it firing lightning or a little spark? It should be cracking and shocking the crap out of you if you're holding it..
Cargo Master
Joined: Apr 2009
Posts: 3,038
Likes: 4
From: South west Idaho
Haha, I'm on my first red bull Jim..(need to quit em).. anyways, Wilford, check you're connections at the duraspark box (grey box on the drivers fenderwell) very well and the connections into the distributor.. you're just missing a loose plug somewhere.. I'm upgrading to a hei style distributor soon In hopes of chasing off all my ignition uncertainties.. just walk away for a minute then the problem will be right there when you go back. . Good luck!
Yeah you guys get the sun shine about the time i get up, 4:00 AM. here . Wish i could drink a Red Bull but can't do it any more . Old age mess's up a lot of thinks , have fun when you are young, L.O.L.
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It almost fired up and then just turns over. I am 100% sure it is in time and I have checked everything ten times over. My grandpa suggested put the points type distributer back in and try it that way. It is something simple but just can't find it.
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Fleet Mechanic
Joined: Jun 2013
Posts: 1,895
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points if regulated right are very reliable
Fleet Mechanic
Joined: Jun 2013
Posts: 1,895
Likes: 32
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