Some differences between years TA & Ws6

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cowboy1sf
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Year: 2001
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Some differences between years TA & Ws6

Post by cowboy1sf » Thu Mar 05, 2020 1:23 am


What are some of the differences between a T/A and a WS6 and how can I tell if it's a real WS6 or not?


WS6 in general is an appearance and suspension option offered on T/A's and Formula's. Some common dead giveaways of a true WS6 is the hood and the components that go with it. The airbox is taller than a stock T/A's to tate up with the Ram Air hood. Also the WS6's came with a sportier suspension, ie, decarbon shocks. Badging on the rear is a definate identifier. Besides the badging, the best way to know for sure is the door sticker on the inside of the drivers side door where you'll see the code "WS6"

What's the differences between the years?
In 1998, the T/A was introduced with the LS1 for the first time. These LS1's came with perimeter bolt valve covers instead of centerbolt and the coil packs were not on a bracket but rather individually bolted onto the valvecover. Other noteable differences were larger fuel injecters and the famous OTL exhaust "One on the Left" Where one single exhaust tip exited on the drivers side. The exhaust was a much more free flowing exhaust system than the later years. In 1998 the EGR system was definately present with a tube going directly into the intake manifold. Many either completely delete the EGR or trim the tube going into the manifold to incease the flow of intake.

In 1999, the exhaust because a little more restrictive with the introduction of dual exiting exhaust but smaller piping. EGR was present but they also downgraded the fuel injectors to I believe 26 lbs from 28 lbs. Other than that, the T/A remained relatively unchanged.

In 2000, The EGR was relocated and injectors were stepped back up to 28 lbs from 26. The introduction of an Air tube into the induction lid was also included.

In 2001 and 2002, everything remained relatively the same with the exception of an LS6 manifold instead of the stock LS1 manifold. HP increase by about 10hp. In 01 and 02, some T/A received an LS6 block due to a casting shortage of LS1 blocks. SO if you are curious if you have an LS6 block, below the rear of the drivers side head is a block casting number. If the last 4 digits are 1168, then you've got an LS6 block👍


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