TJ

iTrader: (10)

http://www.jepistons.com/cat/srp/aut...chevy_sb.shtml
ordered them from the people with the big yellow book, for 567.99.
#279586
includes JE rings, locks, oil support rings, pins, SRP pistons.
4.030 bore piston is LIGHT. 392 grams.
thats a good alternative considering some pistons are 700+rings.

aksz71

iTrader: (9)

i prefer scat or eagle

TJ

iTrader: (10)

pistons?

5_02ls1

iTrader: (20)

ive yet to find a scat piston for the ls engines pm me a link if you have one....

aksz71

iTrader: (9)

yea i mean je pistons are good but i have always used eagle

LS1MCSS

iTrader: (18)

Are you planning on spraying the motor? They are 4032 alloy which isn't as good as the 2618 that some other companies use.

djwimbo

I'm not doubting you one bit, but I'm very curious about the alloys used. I asked around and most suppliers say, "it's just better, look at the numbers "we" made!".
That's not a good enough answer, I want some technical info.

And my vote is for Mahle. They're probably not the cheapest, but they way lighter than some of the other option.

BIG_MIKE2005

iTrader: (116)

Hell if you look at the right places you can also get some Weisco pistons for right about the same price as Mahle or Diamond. I'll be goin Weisco on my build.

LS1MCSS

iTrader: (18)

Here is what Diamond says about the two different alloys.
"We use two different materials, 2618 & 4032. 2618 is used in most of our severe duty / power adder applications. It requires slightly more piston to wall clearance and can stand up to the abuse of a power adder. 4032 is used for applications that are more on the mild side. 4032 has less of a expansion rate which allows us to use it with tighter piston to wall clearances. This is great for direct replacement factory pistons".

aksz71

iTrader: (9)

if ur going to be spraying id go with some eagle H-beam rods and flat top eagle pistons and be done with it if ur going to be spraying that is

TJ

iTrader: (10)

you are correct.
i spoke with a tech on this as their description says "moderate nitrous or boost"
i didnt inquire about boost, but he said keep it in the 200's on nitrous. they werent for big hits. 300+
this is my ballpark, and a piston thats lighter will benefit me on the motor, IMO.
my bobweight for balancing was just over 1600. balance man said it was pretty light for what it was. had another person tell me the same.
pistons mentioned, eagle crank and eagle h beams being used in the build.

TJ

iTrader: (10)

youve mentioned eagle pistons several times. ive never seen an eagle piston.

NemeSS

iTrader: (127)

not forged, but ive had good luck with speed pro replacement piston in a lq4 motor with up to 600+rwhp thru m6 and h/c motor
cost was about 400 shipped with rings. but these pistons are not much more and forged, i may have to look them up next time.
also i have never heard of a eagle piston

Nitroused383

iTrader: (10)

Some eagle rotating assemblies come with SRP pistons. Eagle doesn't make piston that I am aware of. JE pistons are top of the line.

aksz71

iTrader: (9)

correct - i just use to saying eagle when it comes to bottoms ends, i got eagle crank and rods with the srp pistons in my 355... and also they come with the aluminum alloy keith black hypereutectic pistons ... and like i had mentioned scat before there pistons u can choose from je,ross,kb,and mahle i believe maybe wrong but i think u can choose from them if u ordered scat rotating assembly.. my bad for making a misunderstanding..