RPM Stage 3 K04 Big Wheel Super Core R&R Video - Page 2 - Pontiac Solstice Forum
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post #16 of 19 (permalink) Old 08-03-2019, 09:26 AM
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Originally Posted by SSolstice View Post
The only thing that RPM reuses are the housings, the CHRA is new with an upgraded thrust bearing, etc. I have seen logs from RPM stage 3 and they flow and hold boost the same as the stock k04 turbo do. Several of people on FB have posted dyno numbers of the stage 3 (Bw k04+Downpipe+Charge pipes) and they are making less than 300 whp.
So RPM website's claim of "RPM Stage 3 Dyno (Manual Transmission): 350whp/380wtq" is bunk? I always thought it was the compromise between just a tune/exhaust upgrade and a 400+hp big turbo swap?
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post #17 of 19 (permalink) Old 08-03-2019, 10:08 AM
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Interesting. We've seen dynos at 328 whp with the big wheel K04. Wonder why they aren't making that?

Of course comparing numbers between different dynos is a pretty hopeless task if you are looking for definitive numbers.

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post #18 of 19 (permalink) Old 08-03-2019, 09:40 PM
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Originally Posted by Mean BB View Post
So RPM website's claim of "RPM Stage 3 Dyno (Manual Transmission): 350whp/380wtq" is bunk? I always thought it was the compromise between just a tune/exhaust upgrade and a 400+hp big turbo swap?
The website also claims an airflow of at least 36lbs/min. i was interested in upgrading my turbo, but i spoke 2 different people that are currently running the stage 3 and one of them hit 33 lbs/min and the other 31 lbs/min

I don't think the turbo is the problem i leaning towards the stock wastegate actuator
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post #19 of 19 (permalink) Old 08-04-2019, 03:30 PM
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There is absolutely no way a large wheel turbo upgrade will give you 350whp/380wtq, this guy from RPM does not seem to have change his stripes.

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