That is weird. Your LS bellhousing(RM-8020?) is supposed to have the same depth as mine(RM-6023) for my BBC, which would be 5.555 inches. However, I just went out into the garage and measured the depth on mine and it's exactly 6.0 inches. So I'd like to send a big shot out to Quicktime for providing incorrect specs on their bellhousing. As a result of this extra .445 inches of depth, the input shaft on mine only sticks out about 5/8" past the bellhousing, and it would only be about 1/4" when I add the engine plate. So that should be okay for me when I mate it to the engine and pilot bearing. If it's too long, I can file down the shaft slightly. However, for you, it seems like you'll need that spacer in between your transmission and bellhousing. Hope it's not too pricey and is readily available. If the shaft doesn't quite reach the pilot bearing, I believe there are 'extended' bearings.
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Chris Robinson
1969 Camaro SS/RS, 489 ZL-1 MPFI, T-56 Mag
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