Compression questions
I
Joined: Jan 2001
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From: Westside til I die
Originally posted by inspyral
B20 sleeves aren't that much stronger than other B series sleeves:
http://honda-tech.com/zerothread?id=280870
B20 sleeves aren't that much stronger than other B series sleeves:
http://honda-tech.com/zerothread?id=280870
Anything can happen, especially running 16 lbs of boost. Material for material, b20 sleeves are stronger stock. One instance of someone blowing a motor doesn't mean that they aren't stronger.
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のんびり～(´ε｀)
Joined: Sep 2000
Posts: 2,314
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From: San Jo, Cali
Originally posted by dubster99
Anything can happen, especially running 16 lbs of boost. Material for material, b20 sleeves are stronger stock. One instance of someone blowing a motor doesn't mean that they aren't stronger.
Anything can happen, especially running 16 lbs of boost. Material for material, b20 sleeves are stronger stock. One instance of someone blowing a motor doesn't mean that they aren't stronger.
There is a defect in alot of B20 blocks. I have a friend who works at a honda dealership and I have got two B20's from him and both sleeves were cracked in non-loading area's. He said they have thrown up to five B20's in the garbage from the same issues.
I think it is strange that they are cracking when the Crv's were all stock driven by ages older than 30.
The sleeve design is totally different then any other Honda block.
I wouldn't use a b20 unless it has some GE's
I think it is strange that they are cracking when the Crv's were all stock driven by ages older than 30.
The sleeve design is totally different then any other Honda block.
I wouldn't use a b20 unless it has some GE's
b20 has thinner walls than all other b-series engines. 6mm seperates each cyl, where all other b series' have 9mm seperation.
the b20 casting technique is also different from all other b-series castings.
this accounts for its weakness in comparison to the other b engines.
This info was taken from Automotive Engineering, 1996, which describes what honda had to do to get 2.0 liters from its b engines for the crv.
the b20 casting technique is also different from all other b-series castings.
this accounts for its weakness in comparison to the other b engines.
This info was taken from Automotive Engineering, 1996, which describes what honda had to do to get 2.0 liters from its b engines for the crv.
I used to plan on a B20z block with B16 head . . luckily i gave up the thought :thumbup:
I
Joined: Jan 2001
Posts: 56,525
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From: Westside til I die
Wow that's interesting, I've never heard any of that. Thanks for the heads up. I would have thought that being cast iron they'd be pretty solid, but I guess not. I'll spread the word as much as possible :thumbup:
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Captain
Joined: Jun 2002
Posts: 340
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From: Winnipeg, MB
he couldn't have smoked his cyliunder sleeves that fast. He strarted his car up and five seconds later it was running like a sick dog. His turbo would've been making little, if any boost at that point so saying the boost cracked it can't be possible. It was either a bad fuel system (a real bad one to crack it that fast) or the sleves were already fooked.