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Engine Flywheel and balancer identification

Engine Flywheel and balancer identification

wondernad

Jeeper
Posts
219
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Location
Raleigh, NC
Vehicle(s)
79 CJ7 304, 98 XJ 4.0l, 90 YJ 2.5, and 93 240sx sr20det
Its been a while since ive been here. my project has taken a back seat to normal life for a long time. Now im starting to get back to it. I am assembling a 360 to replace my AMC 304 . I know the AMC 304 and 360 use different balance for the flywheel and balancer. Is there a way to visually tell them apart? I have 2 flywheels but I am not sure if one of them is off the 360 that I am rebuilding. There are slight visual differences but the main difference is the one I believe is off my OG AMC 304 has balance holes drilled on the outside of the flywheel. Whereas the other flywheel has balance holes drilled on the back side. I also wonder if the second one is aftermarket.
 
I can take the flywheels to the machine shop but the bottom end is already together if that matters for identification. And know that I think about it. Having them identify a d check balance along with resurfacing the clutch surface I'm going to guess I'll be somewhere close to the price of a replacement flywheel.
 

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