what size pistons do i need in my 454? - Hot Rod Forum : Hotrodders Bulletin Board
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Old 03-28-2010, 02:15 PM
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what size pistons do i need in my 454?

i want to be @ 10:1 with a .030 over bore and 100cc heads. how many cc pistons would i need?
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Old 03-28-2010, 02:35 PM
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somewhere around a .080 dome?
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Old 03-28-2010, 03:49 PM
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Heres a link to a chart that may be of help to you;
http://www.flatlanderracing.com/trwchevy454.html
It looks like a 0.095 dome would do it,the SpeedPro L2399 has a dome cc of app -14,here;
http://www.summitracing.com/parts/TRW-L2399F/
Guy
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Old 03-28-2010, 03:59 PM
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You need to know the piston deck clearance at TDC.

if the piston sits .025" below the deck @TDC you need a 11cc dome

"" """ 0.00" "" '' '''' '' 5cc dome.

typical 454 head gasket 4.37"x .039"

http://www.wheelspin.net/calc/calc2.html
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Old 03-28-2010, 06:14 PM
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sounds good thanks
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