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Re: Maximum Compression ratio
[Re: Al_Alguire]
#3258012
09/15/24 06:52 PM
09/15/24 06:52 PM
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Joined: Jan 2003
Posts: 6,190
Melbourne , Australia
LA360
master
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master
Joined: Jan 2003
Posts: 6,190
Melbourne , Australia
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17-18:1 is pretty common on smaller comp eliminator engines
From memory, Pro Stock engines are supposed to be around 15-16:1
Alan Jones
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Re: Maximum Compression ratio
[Re: LA360]
#3258037
09/15/24 08:58 PM
09/15/24 08:58 PM
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Joined: Jan 2003
Posts: 10,179
Frostbitefalls MN (Rocky&Bullw...
gregsdart
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 10,179
Frostbitefalls MN (Rocky&Bullw...
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These are the pistons in my 982 hp, 572-13 headed 549. Best timing is 34.5 degrees, methanol fuel. 4.50 bore, 4.315 stroke. The dome was custom designed at Diamond pistons. Compression ratio 15.25. Max power at 7600 rpm
8.582, 160.18 mph best, 2905 lbs 549, indy 572-13, alky
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Re: Maximum Compression ratio
[Re: gregsdart]
#3258047
09/15/24 09:29 PM
09/15/24 09:29 PM
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Joined: Mar 2006
Posts: 10,155
MI, usa
dvw
I Live Here
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I Live Here
Joined: Mar 2006
Posts: 10,155
MI, usa
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A pic of my non fancy 15-1 piston. Rounded the sharp edges and deburred.Doug
Last edited by dvw; 09/15/24 09:30 PM.
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