Rods + pistons + MS4
03-23-2008, 08:05 PM
#1
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Rods + pistons + MS4 hi guys i want to build my LS1 engine with all stander , i want to put only MS4cam , 6.125 rods and pistons ....... . the question is what the pistons i need to put ? i want to shoot nitrous 250+ , how much will be the RWHP with nitrous and without nitrous ?
note : my gears 4.10
thanks.
note : my gears 4.10
thanks.
03-23-2008, 08:24 PM
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410 rwhp NA, 650 on N2O.
However, more importantly have you considered the other looming issues?
1st: valvetrain. The Ms4 is designed to Rev to more than 6500 RPMS. HAve you considered pushrods, springs, rockers ext..? I would suggest an extensive upgrade here.
2nd: REar end: that 10 bolt is simply not designed for that type of power.
3rd: Suspension: That power is not good unless you can put it too the ground
4th: Driveability: Do you plan to DD this car? If so, have you considered going with a smaller cam. It will buck and surge under DD conditions, and make little or no power under 3K RPMS.
5th: Fuel system: The stock fuel pump/injectors are not meant to handle that kinda of power. They will need to be upgraded. 42lb injectors and a boost a pump are a minimum.
6th: CLutch: Tell me you don't plan on that stock clutch lasting more than 1-2 bottle refils.
Good luck with your setup. I am not trying to be an ***, I just want you to consider all the angles of the aformentioned modifications before you jump into anything. Keep us updated on your project:
However, more importantly have you considered the other looming issues?
1st: valvetrain. The Ms4 is designed to Rev to more than 6500 RPMS. HAve you considered pushrods, springs, rockers ext..? I would suggest an extensive upgrade here.
2nd: REar end: that 10 bolt is simply not designed for that type of power.
3rd: Suspension: That power is not good unless you can put it too the ground
4th: Driveability: Do you plan to DD this car? If so, have you considered going with a smaller cam. It will buck and surge under DD conditions, and make little or no power under 3K RPMS.
5th: Fuel system: The stock fuel pump/injectors are not meant to handle that kinda of power. They will need to be upgraded. 42lb injectors and a boost a pump are a minimum.
6th: CLutch: Tell me you don't plan on that stock clutch lasting more than 1-2 bottle refils.
Good luck with your setup. I am not trying to be an ***, I just want you to consider all the angles of the aformentioned modifications before you jump into anything. Keep us updated on your project:
03-23-2008, 10:43 PM
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yes ofcourse , i will buy patriot 650 lift , pushrouds 7.400 , the rokers stander , i will put Posi Differential and Rear End Girdle cover , for Suspension i will buy Bilstein shocks and lowring springs , its not for DD , i will upgrade the injectors , and i will install spec 3 clutch , now i want to know what kind of pistons can i put ? flat or ... ?
03-25-2008, 12:11 PM
#6
Forged with valve reliefs. Figure out your setup and decide what relief. Search Mahle, Diamond or Weisco. They all make quality LS1 pistons. You will need forged rods too with a 250 shot. Look Scat or Eagle here if your on a budget. Have them checked out by your machinist before you install. Sometimes they are a little off but that is why they cost less.
Last edited by SOMbitch; 03-25-2008 at 04:30 PM.
03-25-2008, 12:35 PM
#7
Your car probabally already has the Auburn (it has yellow springs inside of it) And the cover wont help at all. The stock 10 bolt is useless and there is nothing you can do to improve it enough to handle more power. You need a 12 bolt, 9" or s60...any money you put into your current one is wasted money
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03-25-2008, 12:38 PM
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Your car probabally already has the Auburn (it has yellow springs inside of it) And the cover wont help at all. The stock 10 bolt is useless and there is nothing you can do to improve it enough to handle more power. You need a 12 bolt, 9" or s60...any money you put into your current one is wasted money