I changed several of my diesel pickup trucks over from DD Delcos to GD Delcos over 10 years ago. The gear drive starters crank a bit faster when it's below 10 degrees F .GM changed over in model year 1988 on diesels. At higher temps they both crank around the same RPM. The auto industry moved to GR because they have been proven to be more reliable.
I put a GR starter on my Deere 300B four years ago. The original 700 amp DD Delco needed over $120 in parts to fix properly. A new (not rebuilt) Chinese GR starter was $89. It has worked flawlessly. Cranks about the same speed as the DD did, hot or cold except I never have to use the manual pump destroker any more. The GR starter obviously has more torque.
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Today's Featured Article - Restoration Story: 1964 JD 2010 Dsl - Part 2 - by Jim Nielsen. Despite having to disassemble the majority of my John Deere 2010's diesel engine, I was still hopeful I could leave the engine-complete with crankshaft and camshaft-in the tractor. This would make the whole engine rebuild job much easier-and much less expensive! I soon found however, that the #4 conrod bearing had disintegrated, taking with it chunks of the crankshaft journal. As a resul
... [Read Article]
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