S10 v8 motor mount template4/25/2023 These are basically the same components needed for the older transmission swap, just performed at the factory. These vehicles came with the GM spacer and bolts and the flat factory flexplate. The 6.0-liter Vortec with a 4l80E transmission is the only Gen III/ IV engine that accepts an early GM transmission without a flexplat adapter or spacer. An evolution of the popular 700R4, the 4L60E, is a popular swap transmission. The overdrive is electronically controlled for precise performance. The GM 4L60E is the most popular and most common automatic transmission coupled to a Gen III/IV engine because it efficiently transmits power to the driveline, it’s strong, and it’s reliable. To make up for the difference, special conversion flexplates are required. The converter doesn’t fit and will not center on the back of the crank. ![]() The pump seal will be ruined and will start to leak, causing the pump to fail. If you simply bolt an old-style converter to an LS engine without a spacer, you will have major problems after only a few miles of driving. ![]() You can copy and paste this link to share: īolting an older transmission to an LS engine requires specialized spacers and flexplates because the Gen III/IV engines are shorter. SHARE THIS ARTICLE: Please feel free to share this article on Facebook, in Forums, or with any Clubs you participate in.
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