Airbox Leaking Oil!?

All technical questions and answers regarding starions, being modifications to maintenance.
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Cookiemonster
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Post by Cookiemonster »

oped wrote:How do I do a compression test?
http://www.aa1car.com/library/compression.htm
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87_starion
Big Dorifto
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Post by 87_starion »

Hey out of curiosity, anyone on here tested a healthy stock 4g63 starion motor? What compression do they have when healthy?
96 R33 GTS25t - 4 Sale
02 Impreza
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RiceThief
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Post by RiceThief »

I think the figure varies from different compression testers but around 120psi for the stock starion with the 7.8 compression ratio.
Starions are a disease, the only cure is poverty.

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Starion_Turbo
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Post by Starion_Turbo »

RiceThief wrote:I think the figure varies from different compression testers but around 120psi for the stock starion with the 7.8 compression ratio.
120psi with accelerator closed, but ive heard up to 140 psi, probably with WOT while testing?
Powerplant: Chipped stock ECU, 2044cc, 8.5:1, head intake enlarged and polished, exhaust manifold enlarged,
Balance-shafts eliminated, Intercooled, TC06 @ 10psi, 2.5" high flow exhaust system and dump pipe.
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AB
Mine is bigger than yours
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Post by AB »

I've seen around 150-160 psi on a stock Cordia engine, never seen any difference between open and closed throttle so I never bother opening it anymore.
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87_starion
Big Dorifto
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Post by 87_starion »

hmm... im gonna test mine tomorrow night and see what i get
96 R33 GTS25t - 4 Sale
02 Impreza
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