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hey all

i have a silvertop rb20 powered cefiro

thinking of building a rb25de on series 2 rb30 bottom end and keeping it all factory (except gtr valve springs)

im wondering if alll my like cas and coils and tps from my rb20 willl go straight into the rb25de head...

is their any difference between r33 and r32 rb25de's????

cheers all

whats ya thoughts on keeping it all factory internalls..

and what compresion ratio would that give me??

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https://www.sau.com.au/forums/topic/227984-rb202530/
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yeah i have been reading through their the last few days...

my main question is..

can i use all my stock rb20 shit..

so no wirring changes needed or anything..

i can do the mechanicals myself but am hopelees with wiring.

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https://www.sau.com.au/forums/topic/227984-rb202530/#findComment-4011481
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