Stupid question

KaotikGT · April 10th, 2009, 09:54 PM

ok i know this is going to sound stupid as hell but get over it. Can you put 3v heads on a 2v or 4v short block. I know the top ring on a 3v is higher on the piston that the other two, just wondering if that's the only differnce or if you need to use 3v pistsons if you were building an engine

silverstang · April 11th, 2009, 01:04 AM

you need a 3v piston in most cases unless they are a fairly deep dish piston for boosted applications (low compression). There are a few different things, including the block type. Most of the older engines were iron blocks, a tad bit heavier than your aluminum block. Most all of them are the same design, so you can use them in a 3v. Motor mounts have to be changed up a little. Im not saying ALL of the older 4.6 blocks will work, because I dont think they will, but you can run a standard 4.6 iron block as far as I know with just a few changes.

KaotikGT · April 11th, 2009, 08:03 AM

Ok just wondering thanks for the reply

April 10th, 2009, 09:54 PM	#1
KaotikGT Regular 2007 Mustang GT Join Date: Mar 2009 Location: Roanoke, Va Posts: 221 iTrader: 0 reviews	Stupid question ok i know this is going to sound stupid as hell but get over it. Can you put 3v heads on a 2v or 4v short block. I know the top ring on a 3v is higher on the piston that the other two, just wondering if that's the only differnce or if you need to use 3v pistsons if you were building an engine __________________ Cervini's type iv hood, C-series bumper, Pypes mid-muffler exhaust, WMS CAI, 20" chrome wheels, Roush rear spoiler

April 11th, 2009, 01:04 AM	#2
silverstang Hardcore Enthusiast 2007 Mustang GT Join Date: Mar 2008 Location: BFE Posts: 2,821 iTrader: 0 reviews	you need a 3v piston in most cases unless they are a fairly deep dish piston for boosted applications (low compression). There are a few different things, including the block type. Most of the older engines were iron blocks, a tad bit heavier than your aluminum block. Most all of them are the same design, so you can use them in a 3v. Motor mounts have to be changed up a little. Im not saying ALL of the older 4.6 blocks will work, because I dont think they will, but you can run a standard 4.6 iron block as far as I know with just a few changes. __________________ Bassani Crew Member #3

April 11th, 2009, 08:03 AM	#3
KaotikGT Regular 2007 Mustang GT Join Date: Mar 2009 Location: Roanoke, Va Posts: 221 iTrader: 0 reviews	Ok just wondering thanks for the reply __________________ Cervini's type iv hood, C-series bumper, Pypes mid-muffler exhaust, WMS CAI, 20" chrome wheels, Roush rear spoiler

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