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stock 5.3 flexplate and th400 jw bellhousing ?

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Old 04-22-2013, 06:31 PM
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Default stock 5.3 flexplate and th400 jw bellhousing ?

Ok I'm having issues with my build. My trans has a jw bellhousing on it and my flexplate which is stock is hitting the inside of it. Not allowing my trans to sit flush. The convertor is in the trans which even feels like it don't sit all the way in but I heard 3 clicks and a bottom out on the conv. But I swear my flexplate hits the housing and I will post pix later

Anyone else have these issues?

Do I need a aftermarket flexplate now
Old 04-22-2013, 09:21 PM
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Originally Posted by SPOOLED UP
Ok I'm having issues with my build. My trans has a jw bellhousing on it and my flexplate which is stock is hitting the inside of it. Not allowing my trans to sit flush. The convertor is in the trans which even feels like it don't sit all the way in but I heard 3 clicks and a bottom out on the conv. But I swear my flexplate hits the housing and I will post pix later

Anyone else have these issues?


Do I need a aftermarket flexplate now


I've run into that on aftermarket bell housings. But the one I had would bolt up fine but the flywheel was hitting the housing . I had to clearance it. I wouldn't think a aftermarket fly wheel would fix your problem.
Old 04-23-2013, 05:53 AM
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The JW bells for the LS engines have a spot machined out for the flex plate. You have one for a sbc/bbc. I ordered a standard one and forgot to order an LS specific, when it came it was machined, so im guessing they standardized it and make them all like that now. You can grind yours out.

Old 04-23-2013, 07:43 AM
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Damn that's gonna be a lot of grinding



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