Author Topic: "D" engine sbc 18 degree pistons and rods  (Read 3054 times)

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Offline dave

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"D" engine sbc 18 degree pistons and rods
« on: April 20, 2015, 10:20:56 PM »
wiseco 18 degree max compression pistons, Eagle rods with pins and rings  4.030 bore 3.00 stroke    only 6 runs at bonneville  look perfect
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Offline 8

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Re: "D" engine sbc 18 degree pistons and rods
« Reply #1 on: April 20, 2015, 11:11:22 PM »
   
   4.030 Bore and 3.00 Stroke Aint a legal SCTA D motor,  Too Big ! !

Offline SPARKY

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Re: "D" engine sbc 18 degree pistons and rods
« Reply #2 on: April 20, 2015, 11:35:53 PM »
2.98"  ???????????????????
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Offline jacksoni

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Re: "D" engine sbc 18 degree pistons and rods
« Reply #3 on: April 23, 2015, 10:48:24 AM »
2.98"  ???????????????????
4.03x3= 306.13, just above the limit. However, just because the pistons were "designed" for a 3" stroke (pin height, deck height, rod length,  etc etc) doesn't mean you have to run that stroke. Generally could easily be fit in a legal D motor (with a slightly shorter stroke)
Jack Iliff
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