View Full Version : Motor build
sleepydsm
07-26-2006, 12:58 PM
So there is a difference between a "G4CS" and "4G64" stamped block? And why is the apparently different G4CS "better"?
Turbocharged
07-26-2006, 01:26 PM
So there is a difference between a "G4CS" and "4G64" stamped block? And why is the apparently different G4CS "better"?
The g4cs 6 bolt found in hyundia's. The 4g64 is a 6 or 7 bolt that is found in galants (I'm not sure of years on the 6 and 7 bolt 4g64's). Both blocks where manufactured by mitsubishi. The only difference is that the g4cs has a threaded boss that accepts a knock sensor. I have no direct experience with the 4g64 blocks, but I have heard that they do not have a threaded boss in the same location. I've even heard that some 4g64's require plugging of coolant passages. Again, I have no experience with 4g64's but my g4cs went flawlessly.
Basically, it sounds like there are less possible headaches with a g4cs.
Not much of a difference. One thing, the G4CS was not manufactured by Mitsu, it was manufactured by Hyundai. Mitsu provided the dies to build it, but there is a little concern of the materials used in the Hyundai and if the tolerances were as tight.
That said, I have a G4CS in my car also. There was literally no modification to the block.
CornFed2.4
07-26-2006, 06:11 PM
thanks everyone I got some really useful info out of your posts.
1ViciousGSX
07-26-2006, 10:14 PM
The only difference is that the g4cs has a threaded boss that accepts a knock sensor. Basically, it sounds like there are less possible headaches with a g4cs.
Not true, my g4cs did not have the knock sensor boss, I had to use another boss down closer to the a/c bracket. See below.
http://dsmstyle.com/forums/attachment.php?attachmentid=282&stc=1&d=1073192878
sleepy2lazy
07-26-2006, 10:56 PM
If you are looking for a block, try this:
http://car-part.com/
The "preferred" 2.4L block is a g4cs block from an 89-91 sonata. You should be able to find a low mile engine for cheap. The actual build is not much different or more expensive than a 4g63 build.
The biggest difference that I noticed from swapping to a 2.4 was increased driveability. My car was already very streetable but the extra torque made it more enjoyable to drive.
Wow, the closest g4cs block according to that website is in Florida for $250 bucks!!!!
CornFed2.4
07-26-2006, 11:07 PM
If you are looking for a block, try this:
http://car-part.com/
The "preferred" 2.4L block is a g4cs block from an 89-91 sonata. You should be able to find a low mile engine for cheap. The actual build is not much different or more expensive than a 4g63 build.
The biggest difference that I noticed from swapping to a 2.4 was increased driveability. My car was already very streetable but the extra torque made it more enjoyable to drive.
When I searched car-part I didnt see an option for a block just a cylinder head is that right???
Vicious, yes everyone just mounts the knock sensor in that other hole, it goes right in.
Search for a engine block, 98gsx.
CornFed2.4
07-26-2006, 11:24 PM
thanks
will this work or wrong year. Im getting excited
http://cgi.ebay.com/ebaymotors/G64B-2-4-1987-88-Galant-Remanufactured-Short-Block_W0QQitemZ200010484646QQihZ010QQcategoryZ3361 5QQssPageNameZWDVWQQrdZ1QQcmdZViewItem
Turbocharged
07-27-2006, 08:17 AM
1ViciousGSX, that is the location I am talking about. The 4g64 does not have that boss (so I've been told). My knock sensor works fine in that location.
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