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Get a dump that fits properly,

I got a cheap one that required heaps of modifying to fit and it ended up costing as much as a good one,

And i spent heaps of time on it.

Make sure if you get a split dump, the small pipe clears everything, O2 sensor in the right spot.

the clearance under the floor, mine was too short.

What a nightmare.

explain in further detail? Please..

It's pretty obvious. RB20 is short 500cc of capacity compared to the 25, so it is harder to make the power straight up (more boost obviously needed). Then, on top of that, they run out of injector capacity and the AFM goes to 5v well below 200 rwkW.

It's pretty obvious. RB20 is short 500cc of capacity compared to the 25, so it is harder to make the power straight up (more boost obviously needed). Then, on top of that, they run out of injector capacity and the AFM goes to 5v well below 200 rwkW.

Yeah,I'm with it.

obviously needing injectors and z32.

I never thought they make ~200 with just a turbo slapped on.

My 2 cents

My 32 with rb25 turbo 14 psi that drops to 12psi after 6000rpm, blitz fmic adj cam gears nistune Walbro pump 3" split dump 3"cat 3.5" cat back exhaust manual made 160 rwkw

Mind u I made the same power with half the boost (14psi stock turbo 7 psi rb25) which was 140rwkw

My 2 cents

My 32 with rb25 turbo 14 psi that drops to 12psi after 6000rpm, blitz fmic adj cam gears nistune Walbro pump 3" split dump 3"cat 3.5" cat back exhaust manual made 160 rwkw

Mind u I made the same power with half the boost (14psi stock turbo 7 psi rb25) which was 140rwkw

My 2 cents

My 32 with rb25 turbo 14 psi that drops to 12psi after 6000rpm, blitz fmic adj cam gears nistune Walbro pump 3" split dump 3"cat 3.5" cat back exhaust manual made 160 rwkw

Mind u I made the same power with half the boost (14psi stock turbo 7 psi rb25) which was 140rwkw

stock 25 turbo simply does not flow more than 200rwkw on a 25 (with a realistic dyno operator) and for an engine that is 25% smaller i'd say there is next to no chance

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