Ok i charged both batteries all the way 12.90v replaced all battery cables and grounds with heavier gauge wires...cleaned all grounding mounting points...new terminals on all wires...still acts like batteries are weak bearly cranks motor over...can hand crank motor over it is hard but no noise...maybe advance auto parts starter test is not effective...I don't know if I am brave enough to stick a 2x4 in a high torque starter...that sounds really dangerous...any ideals

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i removed the starter again going to give the bench test with a 2x4 a try...

Dang, sounds like yer in a tough spot. Even though the block ground connection looks clean, clean it anyway with a battery cable cleaner. I cant tell you how many times I thought the connetions were fine on a piece of equipment that started after cleaning the connections of the batterys and grounds.

Im inclined to believe you may have a weak starter. How about higher CCA batteries? 650 CCA seems kinda low to me.

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Get a volt/amp meter and hook it to your main battery. Crank the engine and see how much voltage/ amp draw there is. Too much draw will indicate starter.

Ok bench tested the starter with a 2x4...starter didnt even mark the 2x4......thanks for all the help...let you know once I buy a new starter if that fixes it I'm sure it will...

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anyone know where to get a cheap starter?

Putting a cheap starter on is not worth the trouble myself I would have the starter you have rebuilt

It has a Delco-Remy 28MT starter...I found a new one for $200 how much do you think it would cost to rebuild it...and would a new starter be any better than rebuilt

I would'nt think it would cost at most half of that had mine done on my 6.5 3 years ago cost $75 so if ask me I would get yours rebuilt chances are it is the brushes that are the culprit in the starter that you have.

I'm glad you got the problem figured out. I never understood how checking a starter without a load on it would prove it's performance. I would opt for rebuilding your starter.

Brother, you do whatever you have to do to get your rig on the road again:tu:

I found a NEW starter online shipping and everything $100 but there is a shop that rebuilds starters in town...thinking of getting mine rebuilt just so i can get my baby on the road faster shipping takes 4 days...its hard to work without a truck...