0w20 vs 5w30?

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Hey guys,

Hey guys I have a 2020 Accord 2.0t the factory calls for 0w20 but I was wondering if 5w30 might be a better option? It’s also tuned for flex fuel and has a Civic Type R Turbo swap estimated power output now is around 360-380 horsepower. I was thinking tobuse 5w30 when racing it and then use 0w20 all the other times and in the winter time? Or just stick to 5w30 all year round.

I don’t run it on E85 frequently due to not many gas stations having it in my area so most of the time I’m on 93 octane. Should I stick to the factory 0w20 or switch to 5w30 for more protection ?
 
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OMG, an ACCORD with a TYPE R engine in it? WOW! (y) (y)
Does the car have the 6 Spd manual as well?
Is there even any factory warranty on the drivetrain any longer since the swap?
Or any factory warranty at all since so much was altered?
:coffee:
 

Bman90

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OMG, an ACCORD with a TYPE R engine in it? WOW! (y) (y)
Does the car have the 6 Spd manual as well?
Is there even any factory warranty on the drivetrain any longer since the swap?
Or any factory warranty at all since so much was altered?
:coffee:
It has the 10 speed automatic. I put an aftermarket cooler on it as well. Once I get it really tuned hopefully I can be around 400. Thanks man it’s a little different I’m just using the type r turbo. The pistons and cams are different than the type r but the crank is forged like the type r.
 

Bman90

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It's under warranty, use 0w-20 as recommended. After that, use what you want if that being 5w-30.
Yes it’s under warranty but with my modifications I’m sure they’ll notice it’s not stuck (downpipe, turbo, etc.). Not sure how the warranties work - I would assume they would have to prove a modification caused something to malfunction? I can always flash the tune back to stock though.
 
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Yes it’s under warranty but with my modifications I’m sure they’ll notice it’s not stuck (downpipe, turbo, etc.). Not sure how the warranties work - I would assume they would have to prove a modification caused something to malfunction? I can always flash the tune back to stock though.
Most likely the burden of proof would be on you.
 
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You did some modifications, so your warranty is gone anyway. Dealership doesn't have to prove anything. Read your warranty.

Use a 30 weight in that engine should be fine.
 
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