05-17-2009, 11:26 PM
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Join Date: Mar 2009 Location: Madisonville, Ky
Posts: 136
Car: 94 Silverado Engine: 383 Vortec TBI Transmission: 4L60 Axle/Gears: 2.73 | 4l60e 1-2 shift | I am running a 4l60e and had an LO5 in with no mods. I put a 383 in with maybe 350hp and my 1-2 shifts are super slow now. whats the deal? The RPM's won't hardly fall to catch 2nd unless you let off. Is it time for a tranny or something else? When I take off, it will smoke the tires. Also reverse it feels like you have to "wait" for it to catch | | | |
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