350 sbc using 4.0 stroke cranks
Winter project. Rebuild sbc. Any problems using a crank with a 4.00 inch stroke and 6" rods? Any machine work needed to be done on the block?
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I don't know if a 4" stroke crank will fit in a stock 350 block but if it doe's i'm thinking the block will be one scary looking piece. Seems to me you would have to grind a lot of material away to achive proper clearance.
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It might cost you a couple blocks if you hit water.
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Originally Posted by heshtesh
I don't know if a 4" stroke crank will fit in a stock 350 block but if it doe's i'm thinking the block will be one scary looking piece. Seems to me you would have to grind a lot of material away to achive proper clearance.
Dave |
From what I understand, a sbc 400 stock crank will fit with some machining on the mains. Don't know if this is true. Just thought I'd mention it. There are a few crank vendors that sell the 350 crank with a 4" stroke. Maybe the cranks are for Dart blocks. Don't know.
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the 350 main don't mean 350 block,You get most aftermarket in 350 mains.
Smaller main=less resistance.Right hink?,Thats what i've been told. |
Re: 350 sbc using 4.0 stroke cranks
Originally Posted by jreiley
Winter project. Rebuild sbc. Any problems using a crank with a 4.00 inch stroke and 6" rods? Any machine work needed to be done on the block?
you building a tow truck? |
There are several people around here running 4" cranks in stock 350 blocks. i CAn aask but i believe they are pouring very little block filler in the bottom of the block, below the sand casting plugs and then grinding away.
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use a 400 block with a 3.625 rod you'll love the big piston and little stroke
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Originally Posted by kwkracing
There are several people around here running 4" cranks in stock 350 blocks. i CAn aask but i believe they are pouring very little block filler in the bottom of the block, below the sand casting plugs and then grinding away.
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