Thread: 5.565 vs 5.700 rods in SBC305 ?
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04-21-2015 02:52 PM #1
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5.565 vs 5.700 rods in SBC305 ?
Found in my shop sbc 305, when I checked rod length it was 5.565 instead of 5.700 as listed in manual. Casting number on the block is 14010203 - 80-85' 305 cid 2 bolts.
Is it trick with big block rods and specific pistons (for what?) or should I get stock 5.700 rods, bore block and install stock pistons and forgot about this strange short rods?
Never saw this setup before...Really cant fugure history of this engine.
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04-21-2015 03:17 PM #2
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I'd be curious to check the crank first. Maybe you'll find the throw is .1 long..
Education is expensive. Keep that in mind, and you'll never be terribly upset when a project goes awry.
EG
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04-21-2015 03:29 PM #3
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To the best of my knowledge, the SB 400 is the only stock application that used these rods. As mentioned above, maybe you have a different crank and clearance was an issue? I can't think of any reason to put these rods in a stock 305."Where the people fear the government you have tyranny. Where the government fears the people you have liberty." John Basil Barnhil
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04-21-2015 04:01 PM #4
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If you ground down the mains on a 400 engine to fit the 305 block you would use the 400 rods (6.565 ) and stock 305 pistons
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Thank you Roger. .
Another little bird