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1967 - 1972 F-100 & Larger F-Series Trucks Discuss the Bumpsides Ford Truck

300 six differences?

Old Dec 29, 2021 | 08:50 AM
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300 six differences?

Does any one know the difference between the HD 300 vs the LD300 used in say a F250 as far as parts go? I recently discovered for instance the the water pumps are different. But other than internal parts how about things like oil pumps, fuel pumps, distributors and starters. I would think most things would be common to the LD sixes.
Mark
67 f600
 

Last edited by 69800; Dec 29, 2021 at 09:03 AM. Reason: add
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Old Dec 29, 2021 | 10:24 AM
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You can get those answers here;
https://fordsix.com/forums/240-300-b...performance.2/
 
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Old Dec 30, 2021 | 09:26 AM
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A few internal parts turned the 300 to a 300HD. Forged steel crankshaft, heavy duty valves with rotators and higher quality bearings. External parts basically the same.
 
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Old Jan 3, 2022 | 07:49 AM
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Thanks Guys. Wow the link JZJames gave has a lot of stuff. All of the different water pump are amazing.
 
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