The Ford Barn - Merc 255 vs Ford 239 Rods Pistons Crank

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Unclebilly

02-10-2026 03:42 AM

Merc 255 vs Ford 239 Rods Pistons Crank

I understand that the crank and pistons are different between the Ford 239 and the Merc 255 with the 4” sreoke. Are the rods the same or are they different too?

KiWinUS

02-10-2026 07:22 AM

Re: Merc 255 vs Ford 239 Rods Pistons Crank

Rods are the same for US made engines. Some of the French made engines used a shorter rod and a stock Ford piston on their 4 inch stroke crank engines but these are not very common.

Unclebilly

02-10-2026 08:39 AM

Re: Merc 255 vs Ford 239 Rods Pistons Crank

Perfect. Thank you.

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