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Engine, Exhaust, Transmission Discuss the FR-S | 86 | BRZ engine, exhaust and drivetrain. |
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11-15-2018, 09:52 AM | #1 |
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Oil system mods for more pressure and flow.
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Last edited by solidsnake11; 11-22-2020 at 08:16 AM. |
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11-15-2018, 10:45 AM | #2 |
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Lots of good info. Welcome to the forum!
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11-15-2018, 06:54 PM | #3 |
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Good info. I have often wondered if the oil feed to the heads should be restricted in favour of the crank and rods but you clearly have gone well beyond that
Killer B Motorsport does a replacement oil pick up. The filter is in the same place as the OEM unit however, but it might be worth a look. http://www.killerbmotorsport.net/oil...il-pickup.html
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11-15-2018, 08:36 PM | #4 |
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WOW! You put a bunch of thought and machining into that project!
Good presentation and pictures! humfrz |
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11-15-2018, 08:49 PM | #5 |
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@solidsnake11 have you thought about using the Reimax hi volume oil pump? Or do you expect with your mods it will be unnecessary?
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11-15-2018, 10:13 PM | #6 |
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Now you got me worried about my oil feed for turbo :/
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11-16-2018, 07:08 AM | #7 |
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Have you run the engine since making these changes? Most of these seem like good solid ideas to me but I am curious if there are any unforeseen effects of changes like these.
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11-17-2018, 02:16 PM | #8 | |
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11-17-2018, 03:04 PM | #9 |
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Do you have any images of the cavitation marks?
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11-18-2018, 04:14 PM | #10 |
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Was it in the vicinity of either of the two areas circled? Which one?
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11-21-2018, 07:18 AM | #11 |
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I've seen reports of as high as 80psi when cold even with 0w-20 on these engines. I was apprehensive about your use of washers too knowing this. I can't imagine really wanting more. The pressure bypass does not seem to be a problem on this engine. Especially if you use heavier oil your pressure may be excessive on cold starts. What made you want to try the washers to begin with?
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11-21-2018, 11:59 AM | #12 | |
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Quote:
My oil pressure gauge reads 80-90psi cold at idle with 0W-20 in it. After a session on track, that may only be 30 psi at idle when the oil temp is in the 210-220 F range. |
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11-22-2018, 06:58 AM | #13 |
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Right. So is 80-90 not enough pressure for a cold start? Shimming the bypass stiffer will only increase the maximum pressure the pump will produce. It won't effect hot pressure whether it's shimmed or not.
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11-22-2018, 03:26 PM | #14 | |
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