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looking at building a strong RB chasing revs not over all power or response

what path do people think i should go down

parts/motors i got

rb25de neo x1

rb25det x3

rb20det suit rebuild x2

turbo t67 10cm hight mont

nistune and all the bolt ons

full work shop with equipment with ok mechanical experience, hands on yes theory no haha

help be appreciated thanks matt

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I'm guessing cause it sounds cool.

Rb 20 crank in 25 block with gtr or stronger rods and custom forgies would rev hard and hold together.

Makes the gears abit longer and i love limeter

Normal 300kw 25 is getting abit boring

Thinking of working neo24 for its soild head with 20 crank and rods, low comp, porting

Not sure what cams valve springs to use or type hmmm

Ye there is some serious investment that needs to go into the head.

Just a set of springs really isn't going to cut it for extended 9000rpm+

sounds good. some 290 degree cams maybe?

Well 290 degree cams give you 1000rpm response over any other choice according to some around here, so they should be the first items purchased!

Ye there is some serious investment that needs to go into the head.

Just a set of springs really isn't going to cut it for extended 9000rpm+

Well 290 degree cams give you 1000rpm response over any other choice according to some around here, so they should be the first items purchased!

espesially is they have JUN or HKS stamped on them..

No other 290deg cams will do it though

Hahaha.... But seriously you want revs and you don't care about power or response... Buy a Honda with vtec yo, or for even more fun, go an give yourself a tax audit.

You'd be mad to put in anything less than 320 degree

Or use the money you will need to spend on it rev to 9k for any extended period without lunching itself on 5 stock motors with boltons like most skidders do.

Lunch a motor, swap in a new one, simple.

Do that.

The most insane RB track car I've ever heard, as well as a large amount of guys from the drifting in melbourne was powered by a stock RB25.

Of course if it had 290 degree cams and a smaller stroke crank with custom rods and pistons it would've been better

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