Help.. slow turn over after warm
Post Fiend
Joined: Mar 2005
Posts: 8,542
Likes: 5
From: Louisiana
I say it's the heat causing the problem.
I had the same problem (pretty bad too), then I put a heat sheild, and it doesn't do it anymore.
https://www.ford-trucks.com/user_gal...&albumid=29225
I had the same problem (pretty bad too), then I put a heat sheild, and it doesn't do it anymore.
https://www.ford-trucks.com/user_gal...&albumid=29225
Senior User
Joined: Mar 2005
Posts: 297
Likes: 1
I've seen this too when I have my timing too far advanced. For some reason it fires over fine when cold (maybe slower combustion?) and then when warm it gets very slow. Using ported vacuum will help this if you want to run more advanced most of the time. That's what I'm doing now.
Elder User
Joined: Dec 2007
Posts: 756
Likes: 1
I fixed the exact problem last weekend on mine. It turned out to be the wire shorting on the inner fender well. It looked just fine, but when I pulled it off and looked at it, I could see just a small spot of green corrosion where it was shorting against the well, and a corresponding spot on the well itself.
Thread Starter
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Senior User
Joined: Dec 2007
Posts: 255
Likes: 0
My truck was doing the slow starting really bad .My wire running to the starter was bad(insulation all the way off) about a month ago. I replaced this and its been fine until this week. All the wires for the starter and batt(and silinoid are new. I havent checked the connections really. I had the batt tested today and it was fine. The alternator hasnt been checked. I have the stock exhaust all the way.(except for a different muffler)
Ill check the timing and get back with yall.
How much is a starter roughly?
By the way. Im a GA boy. that was a GA bulldog tag..not greenbay. lol
Ill check the timing and get back with yall.
How much is a starter roughly?
By the way. Im a GA boy. that was a GA bulldog tag..not greenbay. lol
Senior User
Joined: Oct 2006
Posts: 321
Likes: 1
From: Arcade, Georgia
Originally Posted by 78Ranger_GARedNeck
My truck was doing the slow starting really bad .My wire running to the starter was bad(insulation all the way off) about a month ago. I replaced this and its been fine until this week. All the wires for the starter and batt(and silinoid are new. I havent checked the connections really. I had the batt tested today and it was fine. The alternator hasnt been checked. I have the stock exhaust all the way.(except for a different muffler)
Ill check the timing and get back with yall.
How much is a starter roughly?
By the way. Im a GA boy. that was a GA bulldog tag..not greenbay. lol
Ill check the timing and get back with yall.
How much is a starter roughly?
By the way. Im a GA boy. that was a GA bulldog tag..not greenbay. lol
- j/k.If you replaced the wires about a week ago, I woudl check them for tightness again. Its just about the right time for re-torquing.
Post Fiend
Joined: Mar 2005
Posts: 8,542
Likes: 5
From: Louisiana
Originally Posted by 78Ranger_GARedNeck
My truck was doing the slow starting really bad .My wire running to the starter was bad(insulation all the way off) about a month ago. I replaced this and its been fine until this week. All the wires for the starter and batt(and silinoid are new. I havent checked the connections really. I had the batt tested today and it was fine. The alternator hasnt been checked. I have the stock exhaust all the way.(except for a different muffler)
Ill check the timing and get back with yall.
How much is a starter roughly?
By the way. Im a GA boy. that was a GA bulldog tag..not greenbay. lol
Ill check the timing and get back with yall.
How much is a starter roughly?
By the way. Im a GA boy. that was a GA bulldog tag..not greenbay. lol
I bought one at Napa when I worked there for $15 w/ my discount.
I had the same problem with my stock exhaust. It was still doing it when I put headers, so I put the heat sheild shortly after, and it's good now.
Thread Starter
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Senior User
Joined: Dec 2007
Posts: 255
Likes: 0
That starter wire has been there for a month and the other wires longer than that.(they were there when we got it 2 months ago) Ithink the Alt is good because it puts out fine.
The heat shield might work but my question is why is this just now starting to overheat the starter. The engine has gotten the same temp for years. It also is getting worse i think. I mean i can drive for shorter distances and its slower than it was the last time i did the same thing.
Like i said ill check the timing but i think since this is just starting to happen that its not the engine losing its timing. It runs fine.
Should i just get the stock replacement starter at NAPA or is there an aftermarket product better but not at an outrageous price?
The heat shield might work but my question is why is this just now starting to overheat the starter. The engine has gotten the same temp for years. It also is getting worse i think. I mean i can drive for shorter distances and its slower than it was the last time i did the same thing.
Like i said ill check the timing but i think since this is just starting to happen that its not the engine losing its timing. It runs fine.
Should i just get the stock replacement starter at NAPA or is there an aftermarket product better but not at an outrageous price?
Post Fiend
Joined: Mar 2005
Posts: 8,542
Likes: 5
From: Louisiana
the little mini high output starters seem to work great, but they run around $150...
My little Napa starter w/heat sheild is working great.
My little Napa starter w/heat sheild is working great.
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Post Fiend
Joined: Mar 2005
Posts: 8,542
Likes: 5
From: Louisiana
I made my own and it is working fine, but if it didn't I was thinking of combining it with wrap around heat shield like from summitracing or jegs
Here's mine:
https://www.ford-trucks.com/user_gal...&albumid=29225
Here's mine:
https://www.ford-trucks.com/user_gal...&albumid=29225
New User
Joined: Dec 2008
Posts: 13
Likes: 1
From: WA
1st Gear
Joined: Feb 2025
Posts: 1
Likes: 0
I know this is from 08 but did anyone ever actually find the solution to this problem? I'm having this issue right now with my 78 f100 and it's driving me crazy.
FTE Chapter Leader
Joined: Sep 2024
Posts: 296
Likes: 84
From: Charleston, SC
Even though I am not sure why a bad connection would cause the issue to occur when hot or cold, if it were me I would start by cleaning all of the wiring connections even if they look fine. That would be zero cost. I would hate to buy a new starter just for the issue not to go away.
If the above did not work and the issue just recently started I would try a new starter.
If it is something that has always happened since owning the truck then I would say start with a heat shield before spending the money on a new starter. That link someone posted for JEGS still is accurate and their heat shield/wrap is around $25.00.
Just my 2 cents.
P.S. I feel like the king of resurrecting old threads so don't sweat
P.P.S. Being from SC come take a look at and join the SC Chapter!!
Ryan