bottom end question
bottom end question I want to build my bottom end but dont know what I should look for as far as how much cc on pistons and stuff like that, I am running a d1 soon and want to make around 650 hp, I see alot of good deals on here but dont know if would work out for my setup.... example: there is a guy on here selling some Diamond 3.905 Pistons -2cc valve relief (.945 pin) And CAT H Beam Rods (6.098 945 pin....would this be a good set up for me? sorry for the stupid questions
im leaning towards some 317 heads....I have ls6 stage 2 heads now and are milled to 59 cc, i will keep it around 500 hp until I build the bottom end so im not to worried about changing my setup until I have the bottom built, but like I said I dont what Im suppose to look for exactly, I know about the brands but dont know what cc is going to get me where I want to be
I have mahle forged pistons, they are flat tops with a -4cc. 317 heads that are 72cc, and .051 cometic head gaskets and that put me at 9.4:1 compression. So with your heads milled to 59cc I would look in to a new set of heads and keep the strength of a flat top piston. These should be 72cc heads... http://www.texas-speed.com/shop/item...d=133&catid=40
Also you probly want to get another cam, one with a 114 + lsa.
Also you probly want to get another cam, one with a 114 + lsa.
would it be a bad Idea to get my block machined to run those pistons and rods? Thanks CONAN for your help, you have helped me in the past and I really appreciate it! as far my heads and cam goes I know there not the perfect set up for forced air but I figured with me having a stock bottom end it might not be such a bad idea for my cam to bleed some boost, what do you think?
would it be a bad Idea to get my block machined to run those pistons and rods? Thanks CONAN for your help, you have helped me in the past and I really appreciate it! as far my heads and cam goes I know there not the perfect set up for forced air but I figured with me having a stock bottom end it might not be such a bad idea for my cam to bleed some boost, what do you think?
So your planing on runing the blower on your engine as it is right now and building a new moter later?
If your going to reuse your block and crank with some forged rods/pistons I would give it the works... New main bearings (line honed) arp main studs. Have the cylinders honed, new cam bearing (installed by a machine shop) have the block decks checked, and have the rotating assembly ballanced.
ok.....the plan is to run the blower with my current setup until I had enough funds to build my block and then I run across this guy here that just might trade these pistons and rods for my NX system so thats why I got these questions now, lol....I wanted to see if I could save some cash with this deal here.....and didnt have a clue if it was a good deal for my current setup, and thats why I am here in the newbie section! lol
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ok.....the plan is to run the blower with my current setup until I had enough funds to build my block and then I run across this guy here that just might trade these pistons and rods for my NX system so thats why I got these questions now, lol....I wanted to see if I could save some cash with this deal here.....and didnt have a clue if it was a good deal for my current setup, and thats why I am here in the newbie section! lol
On a side note be very carefull running boost with that compression, Have a good fuel system and a even better tuner.
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Good luck to you. The forced induction world can be a big love-hate relationship! 
