Starting Problems
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Junior User
Joined: Jul 2002
Posts: 63
Likes: 0
From: Suffolk
Starting Problems
I've been having a little bit of a problem with my truck starting when it's hot. It's not that is doesn't want to start, it has a hard time getting over compression. There isn't really any internal work done to the motor like high compression or anything. The vaccumm line is off the distributor sinch i got it. It runs very well and i have not complaints with it, but would hooking up the vaccumm help it start in any way, or might it just be the heat or age has just toasted the started? Any ideas? It starts and turns over fine when cold and even cooled off a bit, but when you try to start it back up after some driving, it has a real tough time on the first couple turns. Thanks for any help.
Jared
78 F-100 Lariat XLT
460 C-6
Jared
78 F-100 Lariat XLT
460 C-6
Senior User
Joined: May 2002
Posts: 202
Likes: 0
From: Gatlinburg
Starting Problems
Hey Friend,
A good hi cranking amp battery with good clean cables and a good heavy duty starter sure helps when turning over a 460. Remember your dealing with a big moving mass that's hot with swelled pistons too. Try pumping the gas just a time or two when you start turning her over when she's hot to wash the cylinder walls down a bit. It usually helps mine to turn over and get going better, but don't give it to much gas.
Just my way of doing it. I've had this kind of problem before too. You might want to bump your time down just a frage. I would hook the vaccuum advance back up. I wouldn't think that should matter on startups. Make sure you have a few ground straps from the motor to the frame and from the motor to the body. This seemed to help mine. Really clean and check your battery connections and make sure the wire going to the starter is good and tight. Hope this might help.:-)
Good Luck!!
A good hi cranking amp battery with good clean cables and a good heavy duty starter sure helps when turning over a 460. Remember your dealing with a big moving mass that's hot with swelled pistons too. Try pumping the gas just a time or two when you start turning her over when she's hot to wash the cylinder walls down a bit. It usually helps mine to turn over and get going better, but don't give it to much gas.
Just my way of doing it. I've had this kind of problem before too. You might want to bump your time down just a frage. I would hook the vaccuum advance back up. I wouldn't think that should matter on startups. Make sure you have a few ground straps from the motor to the frame and from the motor to the body. This seemed to help mine. Really clean and check your battery connections and make sure the wire going to the starter is good and tight. Hope this might help.:-)
Good Luck!!
Posting Guru
Joined: Feb 2002
Posts: 2,404
Likes: 3
From: Cleveland, WI USA
Starting Problems
I have the exact same problem with my 78 f150 460 4x4. When the engine gets hot, the starter barely turns it over. If I let it sit for 5-10 minutes, it spins like mad. I'm almost positive it's because the exhaust runs so close to the starter, and the starter gets hot. Others here have told me that as well.
Try putting a heat shield around the starter. That's what I plan to do this afternoon.
Kevin K.
Try putting a heat shield around the starter. That's what I plan to do this afternoon.
Kevin K.
Senior User
Joined: May 2002
Posts: 202
Likes: 0
From: Gatlinburg
Starting Problems
Your right Kevin. I plan on using L&L fenderwell headers just for that reason, to get the exhaust away from the starter. It's just one of the thrills of having a 460. But man don't we lovem.
Blake
Blake
