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Old 10-02-2024, 07:28 AM
Streetwize Streetwize is offline
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Join Date: Feb 2004
Location: Weddington, NC
Cobra Make, Engine: Midstates 427" Stroker Smallblock with Trick flow heads
Posts: 77
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Thanks for the kind words.

I really do think about the specific parameters I'm working with and have gotten pretty good at building motors that really feel exactly like what I'm wanting behind the wheel.

As for the longer rod, the only standard size I think could work would be a 5.565" 400 Chevy small block which I'm not sure it anyone makes an H beam rod for that app. the short 8.2 deck doesn't give you much Compression height to work with and there's always a balance between pin position in the bore and skirt design to maintain stability.

These 3.25" / 5.400" have been around for years and years in 331"s and turning a LOT higher than the 7200-7500 MAX I'm looking for. but 1.66 is a pretty nice Rod Ratio for the advantages of low 8.2 deck height though. a 327 Chevy is ~1.75 with the same 3.25" stroke and the standard 5.7" rod

I'm a big believer in low bobweights, Even my 4.17" stroke 427" and 4.25" Stroke mopar Small block are around 1850 which offsets at least a bit of the horrible 1.47 rod ratio.

I'd like to see piston MFGs start building slugs around the modern hemi .866" pin instead of the more common SBC .927". it would give us just a bit more meat before we get up in the ring packs.
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