351w starter problem
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Freshman User
Joined: Dec 2003
Posts: 27
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From: Colorado
351w starter problem
I don't know if this the right fourm to post this but I have been trying to fix a starter problem on a 85 full size bronco. We have replaced the flex plate thinking that was the problem that didn't fix the problem. We have tried the shims to move the starter and that does not work. I heard that there is a differance in the nose length between a starter for the car engine and the truck engine. We think the engine in the truck is actually one from a 84 car could this be the cause of the starter not engeaging.
New User
Joined: Jan 2005
Posts: 6
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From: Houston, Tx
I had been having problems with my 351w acting like the battery was dead after the engine warms up. I ordered a high torque starter from jegs (the battery was a big heavy-duty new one already) and went to autozone and got all new cables in 4 gauge. Then I used 3/8" wire loom (which didn't completely cover the heavy cable) and twisted it all the way down for looks. I cut a notch out of the sheathing for the frame ground point with a razor blade. I made a jumper wire for the starter using about 2" of 14 guage wire and two ring terminals. Now she starts great. I understand your problem is a little different, but one thing I learned when I read the paperwork that came with the starter is that some starters had a cast iron bendix shroud and these are not interchangeable with those that came with cast aluminum shrouds. The iron nosed starters have a different gear ratio, and maybe a different offset but I'm not sure about that part. The iron nosed starters were used in heavier duty applications whereas the aluminum nosed starters were used in more typical passenger car type applications. anyway, hope something I said helps. Lots o' luck
Elder User
Joined: Apr 2003
Posts: 627
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Ford uses starters with 2 different nose lengths depending on whether you have a automatic or standard trans. It doesn't matter if it's a car or truck or 302 or 351W. It sounds as though your starter has the wrong length nose and wont engage the flexplate(obviously automatic equipped ).See if you can find one of the newer smaller gear reduction units they have much more torque and spin your motor easier and faster.Ford started using them in about 92.
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Freshman User
Joined: Dec 2003
Posts: 27
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From: Colorado
351w starter problem
Thanks for the ideas haven't tried them as of yet. It does give another slant on the problem. My has replace 8 starters so far some of them were do to other problems caused by him.
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