Tahoe TBSS Intake manifold swap

[Marky Dissod]

In case you need even more info:

LS Engines 101: An Introductory Overview of the Gen III/IV LS Engine Family

Learn what is an LS engine and find out basic information on this popular engine family. The article includes LS model names, RPO codes, and a list of LS engines.

www.onallcylinders.com

 

[Alex_M]

You will need the TBSS fuel rails.

Reuse your existing injectors, they fit fine with the TBSS intake and fuel rail

Get the Corvette fuel filter to regulate the pressure. This will make your firewall clearance a bit tight for fuel lines, but it works. You'll have to bend the fuel rail inlet up a bit for the body of the filter to clear the fuel rail.

You can get an adapter to reuse your throttle body, or get an aftermarket throttle body. For a stock motor I'd probably just reuse the stock throttle body. Even an 8.1 only shows about a 20hp gain from a larger throttle body than the stock 78mm. Will make fitting whatever intake tube much simpler than the aftermarket TBs.

How to: '99-'02 TBSS Intake Swap

Later than intended, but here we are. This guide is for '99-'02 only - there are some differences in the swap for '03-'07 trucks. Parts you will need are as follows: -TBSS or '07-'14 Intake Manifold, obviously. Make sure you get a cathedral port intake manifold, not a square port intake off of...

www.tahoeyukonforum.com