How much did you have the engine bored out? I'm wondering because I'll probably decide on what size pistons I'm going to get soon. On a 130k block I'm guessing they must be a little out of round, so I think stock bore is out of the question. So it's either got to be .25mm or .50mm oversized...but I'm scared of the thin cylinder walls when I spray

 

depends on the block..some are stronger then others. The b20 likes to crack if it sees a turbo in the same room. A b16a is very strong. The sohc motors normally dont crack although they warp under time with boost.

Sleeving a block = a long turbo honda life

liam

 

I got a free B16a block with a small crack in one sleeve but it's at GEM now

 

we have a b20 block there right now too...

liam

 

wondering the same... .25mm or .50mm?

 

Oooh, ooh-----Raises hand


Just make sure you get forged pistons, tune it well, and dont spray the hell out of it.

By the way. This was done on boost.
Here is the new beast....

Darton Baby!!

 

i did - 81.5mm

blew it to pieces... after 17000 miles @ 17psi

 

i should be getting a gsr shortblock with a cracked sleeve tomorrow for 50 bones. weeeeeeeeee. ill take a pic when i get it.


[Modified by blufke, 3:22 AM 3/4/2003]

 

Holy lord that's a huge *** crack! Great, just great, just adds to the stress.

 

93LSivic what compresion are you running on that block? what do you think the max boost you can push on the setup and how much WHP with pump gas?

 

howmuch for darton sleeves for a b18c1 and who installs them?

 

also interested. how much for bore&hone?

 

nice

 

I sell/install Dartons. $1200 for the Pro series closed deck, same as my motor.

 

turn around time?

 

Here's my B18B block sitting for a while that I cracked over a year ago from accidentally spiking to 16 psi.

 

2-3 weeks. CNC operation too!

 

^^are those stock sleeves? Solid decks dont crack do they? Cause i dont see how one could if the sleeve has no where to expand.. for example and h23

 

Yes they were stock sleeves.

 

im curious why i would want to go with dartons over say GE with a price difference like that.

 

Cause only GEM works on their sleeves and no one else.
Save $ in shipping.
If you drop a valve or throw a rod, or screw up any cylinder then you can have another cylinder pressed back in. You wont having to overbore, purchase 4 new pistons, 4 new rings, etc.
Their sleeves are harder.
Their sleeves if properly installed will NEVER drop. With GE they still can and if they do good luck trying to get the to warranty their product.
Dartons are used in OEM applications, as well as ultra high hp race motors like top fuel alcohol race cars. John Force, Lingenfelter, Esslinger, Schumacher, Kieth Black, and TRD just to name a few.

Is that reason enough? I would think so.

 

anyone ever see an h23 with cracked sleeves? i dont see how a solid deck block could blow? but i still here it happens...

 

Any sleve can crack, open deck or not, it depends a lot on how strong the sleve is, how thick, how much boost, if you're detonating or not, compression ratio.....

For instance, I have an Jap isuzu engine, Stock sleves can handle 30 lbs of boost, and 100 shot of nos without any problems on a .5mm overbore.

Then you have the above situations, 16 psi go boom

Each engine is a little bit different.

They have a test called "sonic check" which will determine the thickness of your sleves in different spots along the cylinder wall.

Brad