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-   -   LS\CRV vtec ?s Jeff help (https://www.homemadeturbo.com/general-discussion-6/ls%5Ccrv-vtec-s-jeff-help-8950/)

lsturbo96coupe 08-23-2003 11:40 AM

LS\CRV vtec ?s Jeff help
 
Hey I am in the middle of building a pinned ls vtec with eagle h-beam rods and je 9:1 pistons. I was wondering why the sleeves always crack at the top, is it from over reving, to much boost or what? Just want to what not to do.

Dr.Boost 08-23-2003 12:00 PM

Re:LS\CRV vtec ?s Jeff help
 
Think about it, where is the major part of the compression going to be? At the top of the cylinder when the piston is on it's compression stroke. That is why they say blockguards will help, but I am anti blockgaurd. DON"T USE A BLOCKGUARD.
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TLshizz 08-23-2003 05:42 PM

Re:LS\CRV vtec ?s Jeff help
 
like dr. boost said, thats where compression takes place at the top of the block. that means that is where its gonna heat up the most

ZexRex 08-23-2003 06:56 PM

Re:LS\CRV vtec ?s Jeff help
 
ya i wanna know where the b20vtec cracked it's sleeves.. if it was near the pins or near the top or bottom or what.

turbohf 08-23-2003 08:52 PM

Re:LS\CRV vtec ?s Jeff help
 
i think the B20 (most of the ones i have seen posted too) have cracked BETWEEN the cylinders. i will try to find some pics...

turbohf 08-23-2003 08:59 PM

Re:LS\CRV vtec ?s Jeff help
 
http://www.printroom.com/_vti_bin/Vi...=2&param=42820
http://www.tiora.net/~jay/pix/car/b2...-top-crack.jpg
http://www.tiora.net/~jay/pix/car/b2...side-crack.jpg

HMT-Admin 08-23-2003 09:22 PM

Re:LS\CRV vtec ?s Jeff help
 
hah, yup thats exactly where my sleeves cracked... in every cylinder, 8 cracks total. starting from the middle all the way up. cracked the head gasket in several spots too.

The car still hauled ass, I should of left the head on, lol.... it just smoked a little ;D

BlinD 08-23-2003 09:31 PM

Re:LS\CRV vtec ?s Jeff help
 
Damn why they crack so bad in those spots?

turbohf 08-23-2003 09:38 PM

Re:LS\CRV vtec ?s Jeff help
 
---- throw some JB Weld on that ---- and put the head back on! :o :P

Semnos 08-23-2003 09:42 PM

Re:LS\CRV vtec ?s Jeff help
 
My thoughts exactly.


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