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Hey all,

RB25DET motor...

If you had $2000-$2500 to spend on Pistons and Rods.. What would you get?

Ive had a look around and asked alot of performance shops.. Ive got an idea of what I want. Ive heard everything from CP, Spool, JE/Nitto, Eagle, Manley, Mahle to ACL..

In your opinion what would be the best combo for the money.

Set up I currently have, is tomei forged rods/pistons, tomei cams/cam gears.. and i've melted/cracked a piston on 1.7bar at 8200rpm. Want to buy rods and pistons.

Thanks,

Matt

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2.5k will get you plenty of decent stuff outta the US at the moment.

There are plenty of Rod/Piston Combo's to be had from ebay retailers.

Just make sure they have an actual website/business as well, not just the 'backyarder' style ebay seller.

Although if you cracked/melted a piston mate, that wasn't a fault of the mechanicals...

Although if you cracked/melted a piston mate, that wasn't a fault of the mechanicals...

Yep, understand this. Perfectly. But, it needs to be fixed. Thought about going a 2.8 stroker... but for now just want to get new rods and pistons in the thing, get it running and keep the mrs happy lol.

Can you recommend any parts? people in the states? links maybe?

Because of so many different choices its made it harder to choose.. if that makes sence? is anything brand/part better than the other?

Car did make 510rwhp. before deciding to empty the sump though the catch can breather and blow smoke like ive never seen lol.

Thanks for the quick reply.

Matt

I'd work out why a forged piston melted before deciding which one you want to melt next

510hp is nothing, 1.7 bar is nothing and 8200rpm is nothing

The answer to your question is not which one is going to be best, it's which one you can get the easiest and cheapest. They are all equal and no matter what anyone tells you, they are all going to be perfectly fine in your application. It's not until you start making over 1000 hp that piston choice really matters

for my money given current forex rates i would go with:

tomei rods (had between $1000-$1200 at the moment and very nice)

as the guys said there is lots of good piston options out there. so piston choice is a bit more open.

CP pistons are a fine choice.

or maybe some mahle short skirt pistons if you are that way inclined.

there's other good options too for reasonable money, just do a bit of research on what people are currently using in RBs.

Full rebuild kit for $2090.

http://www.spoolimports.com/spool-engine-rebuild-kits/nissan/rb20det-rebuild-kit

spool rods

cp pistons

cometic gasket

bearings

bla bla bla

RB20DET rebuild kit?

I posted a link to the 25 kit about 4 posts ago............

Thanks everyone for your input.. its been helpful :)

Ive ordered a set of Manley H-beam rods with ARP2000 rod bolts, .020 over CP pistons (almost got Weisco pistons but figured CP would be the way to go after more reseaching).

Also ordered ARP headstuds.

Now looking into barings. Probably use ACL Race series or maybe Tomei.. havent really decided yet

As for the headgasket im looking at either a Tomei or a Cometic.

Anymore opinions on barings and gaskets??

Will rip the motor out and start stripping it down this weekend, will send the block off to be acid dipped, bored, honed and get all the machine work done.

Hopefully get it back next weekend and start bolting it all back together.

Heres hoping the crank is ok, or i'll get a new crank rather than have it machined and fit oversized barings, i dont like that idea.

Figure while its out i'll fit a Ross Harmonic metal jacket balancer.

Thats about all I can think of for now..

Cheers,

Matt

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