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11-14-2014, 09:49 PM
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#27 |
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Registered User
Join Date: Sep 2011
Location: Nevada City, CA
Posts: 908
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Re: Can I use the old 4 speed behind the 5.3?
I looked into keeping the SM420 in my LS swapped '57.
The stumbling block I came to was a vehicle speed sensor (VSS) for the SM420. The engine won't idle worth a damn without one and may stall on the freeway. I went with a 4L60E.
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"Over my head" 1957 Chevy 3200, big rear window & 6 lug. Front disc, power steering, Vortec 4.8 / 4L60E swap, hydro boost brakes & patina. |
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