If you’ve ever wondered why Swiftune use 6” rods in their race engines then this is a great video explaining how rod length ratio affects engine performance:
https://youtu.be/C_YNn3ZkJmU
Connecting Rod Lengths
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Lakeland997
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Connecting Rod Lengths
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OzOAP
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Re: Connecting Rod Lengths
Not sure what part of "Pre 66/Appendix K" 6 inch rods come under 
I must have some pages missing from homologation papers.
BTW 6.25 is the new 6 inch.
I must have some pages missing from homologation papers.
BTW 6.25 is the new 6 inch.
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Lakeland997
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Re: Connecting Rod Lengths
It must be on the same page as multi-web crankshafts and dog engagement gearboxes 
Sleep is my favourite thing in the world. It's what gets me out of bed in the morning.
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surfblue63
Re: Connecting Rod Lengths
Have a look at this Imp engine video to see what they stick in their motors.
https://www.youtube.com/watch?v=anrbppLT9Ms
https://www.youtube.com/watch?v=anrbppLT9Ms
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Lakeland997
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Re: Connecting Rod Lengths
That makes A-Series race engine building look easy, especially when you take parts availability into account.
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Fanfaniracing
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