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1938-42 Ford Flathead Engine Rod Bearings, 2 Inch Journal Floating Type

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1938-42 Ford Flathead Engine Rod Bearings, 2 Inch Journal Floating Type
1938-42 Ford Flathead Engine Rod Bearings, 2 Inch Journal Floating Type
1938-42 Ford Flathead Engine Rod Bearings, 2 Inch Journal Floating Type
1938-42 Ford Flathead Engine Rod Bearings, 2 Inch Journal Floating Type

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Q & A (1)

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Info

These engine rod bearings are what you need for building that Flathead Ford stroker.  They are 2" journal floating rod bearings, designed for use with 1938-1942 Ford Flatheads.

  • 1938-1942 Ford Flatheads
  • 2" journal floating rod bearings
  • Choose either standard size(STD), .010", .020", or .030" bearings


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Product Q&A

1 questions : 1 answers

1 answers

Floating rod bearings, why are they used ? I have an old Ford flat head V-8 engine that I did some horse trading for over 20 years ago ... it was supposed to have been built by Offenhauser. It has this double floating type bearing on the rods. I have never seen this before and wondered if this might have been some experimental engine. It has 0.030 over pistons (3-3/8" diameter) with a dome and three ring grooves. The rods are 7-1/4" center of wrist pin to center of rod journal ... The block has a 59 casting number and the heads are 24 bolt heads (Offenhauser finned aluminum). The Crank shaft looks as if it has been modified or stroked. I got this engine disassembled in an old wooden box, the cam and valves are still in the block. How can I tell if I have a rare piece or just some shade tree mechanic's nightmare. The distributor is in the front of the cam gear on this engine so I would guess it was a 1948 or older ? I see they are available from Speedway, but is there an advantage to them or would it be better to go with the individual inserts ? With a 7-1/4" rod, and the wrist pin center located 1-1/4" down from the top edge of the piston (not including the dome) has this engine been stroked ? If it has been stroked, how much?

WTedB
Martin, TN, USA
April 16, 2013

Floating rod bearings, why are they used ? I have an old Ford flat head V-8 engine that I did some horse trading for over 20 years ago ... it was supposed to have been built by Offenhauser. It has this double floating type bearing on the rods. I have never seen this before and wondered if this might have been some experimental engine. It has 0.030 over pistons (3-3/8" diameter) with a dome and three ring grooves. The rods are 7-1/4" center of wrist pin to center of rod journal ... The block has a 59 casting number and the heads are 24 bolt heads (Offenhauser finned aluminum). The Crank shaft looks as if it has been modified or stroked. I got this engine disassembled in an old wooden box, the cam and valves are still in the block. How can I tell if I have a rare piece or just some shade tree mechanic's nightmare. The distributor is in the front of the cam gear on this engine so I would guess it was a 1948 or older ? I see they are available from Speedway, but is there an advantage to them or would it be better to go with the individual inserts ? With a 7-1/4" rod, and the wrist pin center located 1-1/4" down from the top edge of the piston (not including the dome) has this engine been stroked ? If it has been stroked, how much?

Answers

April 17, 2013
EricM
The floating bearings were common up thru 48 when they switched to the insert type. That was Fords method and reasoning can be found in some of the old Ford archives which doesn’t match todays standards. The distributor is in front on the same years of engines and unless undesirable can be left there as Speedway offers modern electronic distributors to upgrade the ignition system. Stock length of rods are 7” so apparently the stroke has been changed but in this case if the rod length matches the piston for deck height of block you will need to do some mock up to verify stroke. If your rods are designed for floating bearings you need to stay with that configuration.
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