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D16Y8 turbo on 8lbs
I have a D16Y8 I bought some what boosted. I finished the project and had the car tuned with hondata. Car runs just fine with 201k on it. It’s a stock block.
set up Kit details/TURBO TD04 Greddy turbo on 8PSI Cx racing FMIC/BOV walbro fuel pump 550 RC injectors FPR 5200rpm 2-step exedy stg 1 clutch Y8 intake manifold straight pipe 2" exhaust P05 ECU chipped and dyno tuned Did a compression test and came out around 130 and 135 across the 4. Now I don’t know if my tuner made my compression low for boost error to happen or if my block is going? Like I said, I have all power and no sign of weakness except I keep over flowing my coolant after strong pulls... |
Re: D16Y8 turbo on 8lbs
You can't just "lower" the compression ratio by just a flip of a switch or from a tuning program. Sounds like you didn't even open up the motor to upgrade anything. Upgrade the old radiator as well as a new cap.
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Re: D16Y8 turbo on 8lbs
Sounds like this 1 post wonder might need to upload a new head gasket tune.
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Re: D16Y8 turbo on 8lbs
haha...
replaced valve cover gasket = FULLY BUILT |
Re: D16Y8 turbo on 8lbs
I have replaced the head gasket, valve cover gasket, and intake manifold gasket. The manifold gasket keeps cracking or leaking so I need to find a performance one. I’m just riding the engine till I have all parts for a full rebuild. The engine seems like it just doesn’t want to be done yet. |
Re: D16Y8 turbo on 8lbs
Head gasket keeps taking a dump, says the engine has more in it.
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Re: D16Y8 turbo on 8lbs
Old head gasket was fine just replaced it when I took the head off. |
Re: D16Y8 turbo on 8lbs
You're pushing coolant on strong pulls. Either:
Your tuner sucks. Your head gasket installer sucks. Need better head studs (doubt it. maybe the oem ones have been through too many torque cycles or were torqued town incorrectly....) The block/head mating surface isn't true. Are those hot/cold or wet/dry compression results? |
Re: D16Y8 turbo on 8lbs
Cold and dry compression results! It was set to an aggressive tune. At idle I’m around 13 on air/fuel so kinda rich side. |
Re: D16Y8 turbo on 8lbs
Supposedly 185psi and up is optimal. So either:
Test was done incorrectly. Engine is worn out. (would be kind of weird for numbers to be so even in a worn out or hurt engine). Have an aggressive cam with a lot of overlap. Have low compression internals or a very thick head gasket. |
Re: D16Y8 turbo on 8lbs
Subscribed lol
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Re: D16Y8 turbo on 8lbs
Found smells of exhaust in the coolant, so time for HG replacement with arp studs. See if that stops the head lift and I’m going with a dual core aluminum radiator. My last radiator wasn’t holding pressure I noticed too. |
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