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318

 
mistermisfit mistermisfit
User | Posts: 54 | Joined: 01/07
Posted: 09/17/08
04:23 AM

hey guys. will the newer 5.2l magnum 318 bolt pattern to the transmission be the same as the 68-89 models??  

 
55_Hardtop_Guy 55_Hardtop_Guy
Enthusiast | Posts: 381 | Joined: 08/07
Posted: 09/18/08
05:10 AM

Yes. That motor still used an LA block, so the bolt pattern should be the same.  

 
mistermisfit mistermisfit
User | Posts: 54 | Joined: 01/07
Posted: 10/04/08
09:44 AM

any way i tore into the engine and come to find out that it is indeed a 360 but the engine id tag says 318. the piston part #s are for a 360. the motor is shot i believe and wanted to find a useable core to rebuild. a neighbor said a 318 is the same as the 360. I think he is B S ing me, but can someone please tell me if it is or not. I know they are both LA motors, but I dont believe they are the same.  

 
Link67 Link67
New User | Posts: 5 | Joined: 06/08
Posted: 12/27/08
12:58 AM

Yeah, Im going through a simular situation. The new LA series blocks, will bolt up. Im working on a '67 Fury III, new Hemi conversion possibility. The 360 and the 318 are swappable, and most every part ffrom the 360 can be used to build up a 318. Many upgrades that Ive looked into for my 318 were parts pulled off 360 donors.  

 
RollingThunder RollingThunder
New User | Posts: 35 | Joined: 04/07
Posted: 02/13/09
03:29 PM

the 318 / 273 uses different motor mounts than the 340 / 360 - driver's side has an offset....    However everything else will bolt up. If the 318 is not a magnum then the valvetrain, cam, lifters, heads, intake are different than the 360 Magnum.  

 
452RBchevy_c10 452RBchevy_c10
User | Posts: 68 | Joined: 01/09
Posted: 02/13/09
05:07 PM

Why people believe a 318 is the same as a 360 is beyond me. Sure they look the same but they have different bore size and stroke size. The 360 has a 4" bore and a 3.58" stroke. When built right there power delivery is best described as explosive and violent rather than Lexus smooth and linear. Good luck with the build.  

 

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