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Hey all , I'm in the process of doing my first engine build on my Barra 6 , I'm tossing up between

 

Atomic Superleggera conrods 

atomic icon forged pistons

 

or

 

nitto / cp forged pisons and  rods ..

 

both are in my budget and I've head good things about both. the atomic gear is a bit cheaper , and differences in H an I beam for choice ? looking to reach around the 550 - 600 rwkw power.

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Hey mate, you might have to look at manufacturing lead times. Everything is a bit crazy atm. Probably plenty of atomic stuff off the shelf available. If you don't mind waiting, I don't think anyone has anything bad to say about Nitto.

I'd look at Nitto/JE if you have time and budget. Superleggera/Cosworth is worth considering if you have the budget for $2k pistons

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im leaning towards the nitto range with the I beam.. I got a pretty good deal on ditto just seeing if they are the old JE stock or the new CP nitto range.

the bloke at nitto said they have changed to cp and not je anymore . the je nitto range was still good he said..

 

has anyone noticed any difference in the atomic rods with the pressure fed gudgeon gallery ?

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Dunno what you’re talking about…

 

Atomic Superleggra rods and Cossies are a brilliant choice ;) 

if you want a good price hit me up !

 

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My cp bullet series pistons rattle up to about 85c cht then they go quiet. Have already made roughly 1100hp at the crank with those pistons and spool drag pro rods. The drag pro rods have side oil squirters to lube and cool under the piston.

 

Time will tell how well the pistons hold up to that power level.

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Pretty sure nitto changed to cp because getting pistons from JE was unreliable. Something to note with the JE pistons is they run a thinner top ring which means when you do a re ring and bearing freshen up in future they are harder to source and you will need to get them through JE in the US. Using a cp piston you can get rings straight from total seal or hastings easily as the ring size is more common.

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Pm sent jeturbo . Just getting  everything sorted atm . Found a low k fg block  with the 2 dipstick holes my cars a bf so I’ll be using the front . Changed the sump , girdle and oil pick up 👌 . I was told by my tuner to find a low k fg  motor and not a bf ? The blocks are identical so was a little confused 🤔 

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