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(Used search function already for most of my answers)
I have a b20b the lower compression version, going into a 93 ex & I am planning on going turbo.
I have a horsepower goal of about 250-280 hp max as I heard that's what the stock blocks are rated safely for.
Right now I have the head off and the block exposed.
I have a few questions;
what would the best headgasket be for turbo? I was thinking oem?
what is the safest way to clean my cylinder walls and the carbon off my pistons ?
Also getting arp head bolts
This is my first build. Thanks
Last edited by ProjectEg93; Apr 6, 2017 at 08:03 AM.
Reason: Posting pic of block
+1 the flat parts of the head and block where the gasket touches need to be bare metal for any head gasket to seal properly.
Cylinder walls are never cleaned. Piston tops only need cleaning if they are heavily carboned, which yours aren't.
They have big chunks of loose carbon. and soon to come off stuff you can't see in the picture.
Edit: It's also not going in anytime soon. Won't the walls rust from sitting ? Should I wipe them down slightly with oil or wd40 when I reassemble?
You can oil the cylinder walls with an oil rag if you like, it won't hurt.
I would put a little 5w30 or 10w30 on a rag and run it around the cylinders with the piston at bdc and then when done with all four, put the pistons half way on all four.
If you were planning on pulling the pistons out, I would recommend "piston kleen". It's the best non toxic no DOT MSDS requirements decarbonizer that works extremely well. And it's cheap for everyone in the states. Getting it here to Canada costs more than the product.
The best thing to do is clean that ****** mating surface
Originally Posted by TomCat39
You can oil the cylinder walls with an oil rag if you like, it won't hurt.
I would put a little 5w30 or 10w30 on a rag and run it around the cylinders with the piston at bdc and then when done with all four, put the pistons half way on all four.
If you were planning on pulling the pistons out, I would recommend "piston kleen". It's the best non toxic no DOT MSDS requirements decarbonizer that works extremely well. And it's cheap for everyone in the states. Getting it here to Canada costs more than the product.
ok thanks. I was going to just leave them in. I'm not really concerned with cleaning them however I am concerned with the loose particles.
would I be able to get a can of computer duster and just dust the chambers out ? They're at TDC at the moment
I would use a compressor over that computer air stuff. Not sure what all they use in those for the "canned" air. But blowing out the piston tops is not a bad idea, cleanliness is rule of thumb with engine building.
Cometic vs Oem headgasket
