351 build help!!!
05-04-2008, 04:35 AM
#1
3rd Gear Member
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Join Date: Sep 2006
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Posts: 892
351 build help!!!
hey guys im finally getting into building my 351 and im lookin for advice on parts so i can start picking parts up...part numbers would be especially helpful...heres my plan so far
357 balanced ( cani rebalance a 5.0 flywheel or do i need to get another?)
forged pistons (wat kind, compression ect.)
stock crank
stock rods
arp bolts throughout
bearings (wat kind)
200-225cc heads
holley systemax II
custom groundroller cam( wat kind of lift)
hardened pushrods ( wat length)
roller rocker ( 1.6 or 1.7)
ill eventually be putting a supercharger on it 15-20lbs of boost with a custom tune, meth injection and a water to air intercooler
any kind of info you can give me or anyway to calculate what i need will be greatly appriciated. and of course constructive critisizm is good and anything im forgetting or to look out for
thanks a lot
357 balanced ( cani rebalance a 5.0 flywheel or do i need to get another?)
forged pistons (wat kind, compression ect.)
stock crank
stock rods
arp bolts throughout
bearings (wat kind)
200-225cc heads
holley systemax II
custom groundroller cam( wat kind of lift)
hardened pushrods ( wat length)
roller rocker ( 1.6 or 1.7)
ill eventually be putting a supercharger on it 15-20lbs of boost with a custom tune, meth injection and a water to air intercooler
any kind of info you can give me or anyway to calculate what i need will be greatly appriciated. and of course constructive critisizm is good and anything im forgetting or to look out for
thanks a lot
05-04-2008, 06:48 AM
#2
5th Gear Member
Join Date: Jun 2004
Location: Charles Town WV
Posts: 2,288
RE: 351 build help!!!
Who's heads you gone to run? I think I would look into a better rod maybe a Eagle or Scat rod stock length and all. and run the lightest piston you can find. if you are gone to blow on this thing try to keep yourcompression down to 9.1 or around that. For a Cam I would call Cam Dynamics and talk with them push rods and rockers will come in to play when you what cam you are gone to run. will the block accept a stock Roller or do you have to get a the $$ dollar lifter's. ifthe block wont take the stock lifters I would just spend the extra $ and go with a solid roller.are you set on a 351 you could always go strokerwhile you are there?
05-04-2008, 06:02 PM
#3
3rd Gear Member
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Join Date: Sep 2006
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Posts: 892
RE: 351 build help!!!
im prob gunna use afrs and im pretty set on a 357 unless i find a real cheap stroker kit. i know r barn is using stock rods and crank with abotu the same amount of boost as i am. but im keeping my eyes open for a fulley forged roatating assembly. are the 351 truck rods better then the other rods that came in the 351? if i bought them what would be better I or H beam? and are you talking about the lifters that are connected to each other for use on blocks originally using flat lifters?
05-08-2008, 01:27 AM
#4
3rd Gear Member
Join Date: Feb 2008
Location: Florida
Posts: 836
RE: 351 build help!!!
ORIGINAL: five0fm
357 balanced ( cani rebalance a 5.0 flywheel or do i need to get another?) No, 5.0 uses a 50oz and 351 uses 28oz. You could have it rebalanced but it would not be cost effective
forged pistons (wat kind, compression ect.) You say you want to super charge it later, without a forged rotating assembly you should keep the compression conservate at around 8.5:1.
custom groundroller cam( wat kind of lift) The Cam grinder should make this determination based on the parts you get. This aside from the pushrods,the cam and the rockersshould be the last things you purhase for the long block.
hardened pushrods ( wat length) You will have to measure for proper length once the long block is assembled.
roller rocker ( 1.6 or 1.7) The cam grinder should deside this, but more than likely it will be 1.6:1.
357 balanced ( cani rebalance a 5.0 flywheel or do i need to get another?) No, 5.0 uses a 50oz and 351 uses 28oz. You could have it rebalanced but it would not be cost effective
forged pistons (wat kind, compression ect.) You say you want to super charge it later, without a forged rotating assembly you should keep the compression conservate at around 8.5:1.
custom groundroller cam( wat kind of lift) The Cam grinder should make this determination based on the parts you get. This aside from the pushrods,the cam and the rockersshould be the last things you purhase for the long block.
hardened pushrods ( wat length) You will have to measure for proper length once the long block is assembled.
roller rocker ( 1.6 or 1.7) The cam grinder should deside this, but more than likely it will be 1.6:1.
05-08-2008, 06:59 AM
#5
3rd Gear Member
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Join Date: Sep 2006
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Posts: 892
RE: 351 build help!!!
awesome man thanks for the info ill deff keep this in mind...im getting estimates for the block work and depending on that i would like to go compelty forged rotating assembly but well see..thanks again
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