Displacement Chart

StangAddiction · May 6th, 2007, 01:08 PM

I got bored one day and took a calculator and calculated out the possible displacements of the 302w and the 351w. I figured some of you guys might find the chart helpful so i went ahead and typed it up. Hope this helps a few of you out there.

zero · May 6th, 2007, 04:24 PM

thats pretty sweet. mustve been bored as hell man. what size did you put in for the combustion chamber and head gasket thickness though?

StangAddiction · May 7th, 2007, 11:06 AM

combustion chamber and head gasket thickness arent included in the ratio. For those you have to compensate. No matter what head gasket or cylinder heads you have, the displacement should be the same. The formual is as follows: (pi/4)(bore)(bore)(stroke)(number of pistons)

TurboLX · May 7th, 2007, 11:23 AM

nice find

StangAddiction · May 8th, 2007, 11:02 AM

Can an admin or mod make this a sticky.. :wink

also, gasket thickness and Head chamber size affect compression ratio. The bore and stroke have a effect on the compression ratio as well. Generally, as stroke increases compression ratio increases as well. As bore increases, the compression ratio drops slightly, pending on how much the bore increases.

May 6th, 2007, 04:24 PM	#2
zero Regular Join Date: Feb 2007 Location: persian gulf Posts: 253 iTrader: 0 reviews	thats pretty sweet. mustve been bored as hell man. what size did you put in for the combustion chamber and head gasket thickness though? __________________ 92 lx 351W w/ 60 overbore holley 600cfm carb weiand stealth dual plane intake 240/246@.510 cam bbk long tube headders msd coil 5 lug axle conversion 3.55 gears mach1 style 17" rims

May 7th, 2007, 11:23 AM	#4
TurboLX I Post Entirely Way Too Much 1988 Mustang LX Turbo Join Date: Oct 2006 Location: NY Posts: 8,792 Blog Entries: 1 iTrader: 0 reviews	nice find __________________ 1988 LX Coupe 2.5L, GT35R, 44mm WG, 32psi, C16.

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May 7th, 2007, 11:06 AM	#3
StangAddiction Enthusiast 2000 Mustang GT Join Date: Jan 2007 Location: Virginia Beach Posts: 986 iTrader: 0 reviews	combustion chamber and head gasket thickness arent included in the ratio. For those you have to compensate. No matter what head gasket or cylinder heads you have, the displacement should be the same. The formual is as follows: (pi/4)(bore)(bore)(stroke)(number of pistons)

May 8th, 2007, 11:02 AM	#5
StangAddiction Enthusiast 2000 Mustang GT Join Date: Jan 2007 Location: Virginia Beach Posts: 986 iTrader: 0 reviews	Can an admin or mod make this a sticky.. :wink also, gasket thickness and Head chamber size affect compression ratio. The bore and stroke have a effect on the compression ratio as well. Generally, as stroke increases compression ratio increases as well. As bore increases, the compression ratio drops slightly, pending on how much the bore increases.

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