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Boost on stock block

 
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Old 01-26-2013, 05:26 PM
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Boost on stock block

Hi guys.

Right before you jump into rage mode please hear me out :).

Over the christmas period ive decided to go down the turbo route in my civic, now my question is, how much can these handle in bhp.
Ive been told by a company in the uk that if i go with mahle golds 0.25mm and forge beams. Im looking at 320ish,
Another company are saying that i should go all out with it and push 500+.

Are the mahles any good as the company is saying that i dont need to run sleeves these can handle it.

Car will be my daily too.

If i was to go sleeves what do i use dry or wet?

Engine is jdm h22a

Thanks people.
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Old 01-26-2013, 06:44 PM
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Re: Boost on stock block

You have an h22 in a civic?? Wow, so its vtec? I heard somewhere that its not a smart idea to put a Turbo on engines with a valve timing system, might even be more specific and just to vtec eh. Sounds like a lot of fun though!
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Old 01-26-2013, 08:15 PM
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Re: Boost on stock block

Not another one of these....
At least do some research this isn't yahoo answers where you just post a question and hope someone answers it.
As for your questions, well how many pounds do you have in mind?
What kind of turbo/manifold do you plan on running?
Is it a Daily Driver?
H22A's are great motors but if you want to boost them and have them be reliable you have to sleeve it! You wanna sleeve and run boost Wet sleeves are the only way to go!
You wanna get a Stock motor and boost it! and still be reliable then get the F22A/F22B engines they have Iron sleeves and are built like a Tank. So please just Do some research before you start creating threads that have been answered over a hundred times already!
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Old 01-26-2013, 08:31 PM
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Re: Boost on stock block

^yep. Search bar at the top of the screen. Type "type so you wanna go turbo?" After you read every link and post within that and all the associated information about three times, and you still don't have the answer ask the question. We all might actually learn something then. FYI be prepared to be very very overwhelmed.
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Old 01-26-2013, 11:14 PM
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Re: Boost on stock block

9 psi max on stock block from what i was told...good luck
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Old 01-27-2013, 04:40 AM
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Re: Boost on stock block

This was what i was planning to do on the block:
Machined
Either darton mid sleees custom sleeves which are just as good as dartons if not better able to handle 60psi.
Cp pistons 9.0:1
Eagle h beams
Balance shaft eliminator.
Polished and balanced crank.

Turbo:
for now will proberly be a precision 3254 handle upto 470bhp.

Head:
Stock cams
Polished and ported head.
Multiple angle valve job.
Skunk2 head with 68mm t/b
550cc injectors RC or precision.

Manifold/ header:
Looked at a few designs ramhorn, top mount designs, a sheepey manifold.

Yes its going in a civic i did start a thread but it aint there now will sort another one out later on today got to respray my rocker cover first.

I understand what you are saying yes ive looked at that have it a page on my iphone is very useful.
I came to ask you lot as it seems you have better knowledge than the boys in the uk, as im still getting different opinions.

Cheers for the commets though

Ash
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Old 01-27-2013, 08:17 AM
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Re: Boost on stock block

9 psi would be definitively pushing it also do a compression test and leak down to make sure your engine is healthy even if it is it will lessen the life of the engine especially if driven daily like you mentioned. Do it once do it right I say. Also I've heard bad mostly from stock bore and mahles because of the frm sleeves even thoough they have a specially coating or something like that, correct me if I'm wrong.
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Old 01-27-2013, 09:23 AM
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Re: Boost on stock block

Yea ive heard that aswell, ive been toldto stay away from the mahles and use CP ones sleeve it and go from there so i think i will do.
Better source another block and work with that whilst in the mean time run around in an N/A till summer
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Old 01-27-2013, 01:05 PM
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Re: Boost on stock block

If you intend on making this your daily driver, I would keep the power below 450. because when you reach the 500hp barrier. Your vehicle requires more up keep not to mention more sturdy parts to maintain that power level.
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Old 01-27-2013, 04:26 PM
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Re: Boost on stock block

You'll need to upgrade a ton of stuff to have a reliable 300 plus turbo set up, that you can drive like you stole it. A buddy of mine could snap axles (stock) just about on command with a del sol that was only pushing about 310 to the wheels. He drove it very conservatively so he only had to replace them a couple times a year. I'm sure our axles are a little beefier but our engines are also higher torque. You can get OEM axles with a warranty and then its just the inconvenience of breaking down and then replacing them. If you go with custom beefier axles you have to upgrade your tranny accordingly or you'll just break something more expensive. Its risky stock can be pulled off you just won't ever really know what the setup can really do (real world) also track days will require extra parts and tools possibly a trailer.
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Old 01-27-2013, 04:59 PM
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Re: Boost on stock block

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Originally Posted by B20Ballin View Post
You have an h22 in a civic?? Wow, so its vtec? I heard somewhere that its not a smart idea to put a Turbo on engines with a valve timing system, might even be more specific and just to vtec eh. Sounds like a lot of fun though!

you heard wrong.
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Old 01-27-2013, 05:14 PM
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Re: Boost on stock block

Just do yourself a favor and sleeve the damn thing.
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Old 02-03-2013, 03:29 AM
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Re: Boost on stock block

I think you are headed in the right direction man. Just keep researching. I've been searching for almost 2 years and feel much much more knowledgeable but not completely confident in everything. Sleeves will be a must, and the MIDs you were talking about will do good. At that hp, you have to start worrying about traction, so lsd, tranny/suspension setups, axles. Just make sure you don't drop the clutch too hard when launching and preload the driveline. Motor mounts(possibly), traction bar, map sensor, ecu/tune, clutch, exhaust etc for example are other smaller things you might need to look into. Like i said more searching haha. oh and also you might need larger injectors. wouldn't hurt and usually they are the same price for higher cc's. Good luck man
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Old 03-04-2013, 04:30 PM
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Re: Boost on stock block

Cheers for the comment bro^^^^

ive finally started getting my block moving.
Im on the hunt for darton sleeves as have been informed that there are some fakes going about. But theres only 3 companies that are able to sleeve the block in the UK.
What piston would you go with cp or wiseco?

Thanks
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