oil squirters needed?
Evolving Member
Joined: Sep 2005
Posts: 261
Likes: 0
From: Afghanistan
+ 10000000
Yes, so in high heat situations (like road racing) the squirters might prove to be very helpful indeed (with forged pistons) since they obviously expand more than cast iron pistons. I totally agree, both setups work, and there has never been a documented case of a newer 4G63 (or 4G64 block) failing because of oil squirters. The only block with real squirter problems was the 7 bolt DSM block. Why not add them for cheap insurance?
Yes, so in high heat situations (like road racing) the squirters might prove to be very helpful indeed (with forged pistons) since they obviously expand more than cast iron pistons. I totally agree, both setups work, and there has never been a documented case of a newer 4G63 (or 4G64 block) failing because of oil squirters. The only block with real squirter problems was the 7 bolt DSM block. Why not add them for cheap insurance?
Evolved Member
Joined: Jun 2006
Posts: 6,902
Likes: 151
From: Grand Island, NE
The first seven bolt engines had different oil squirters (for different read junky). There has been speculation that these squirters would stick open at idle, dump oil when oil pressure was already low and were therefore the cause of crankwalk.
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