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Discussion Starter · #1 ·
Oliver Connecting rods offers two wrist pin diameters in their rods. Factory .866" and the SBC .927" pin....When (if ever) would it be necessary to run the larger pin in a 5.4L TT engine? Engine will probably make 1100-1200 RWHP with a 7500 RPM redline. Please post your answers. Keep it technical please.
 

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Oliver Connecting rods offers two wrist pin diameters in their rods. Factory .866" and the SBC .927" pin....When (if ever) would it be necessary to run the larger pin in a 5.4L TT engine? Engine will probably make 1100-1200 RWHP with a 7500 RPM redline. Please post your answers. Keep it technical please.
This pin OD is not as important on the ID, the common OD is .866, this will fit most pistons on the market, the ID for 1000 RWHP should be in the .180 range or larger. We run the .866 pins in all of the MMR competition cars, 1 of which makes over 3000HP and recently broke John Mihovetz MPH record for the worlds fastest Modular (our MMR Pro mod), this one uses a .866, 9310 material with a .220 wall thickness.

Best of luck with your project, let us know how we can help!

www.modularmotorsportsracing.com

 

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Discussion Starter · #3 ·
I couldn't get wrapped around using a larger heavier pin, when I've seen guys making 1500HP with a 9310 heavy wall unit as you described above....Thanks for the input.
 
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