2002年7月1日 · In 1985, GM introduced its Tuned Port Injection (TPI) manifold on the Corvette and the Camaro line. The TPI system includes a manifold base, two sets of runners, a plenum, and a throttle-body.

2009年10月1日 · The crew from RaceKrafters Automotive Machine will show you how to perform a dyno test on a TPI Chevy small-block engine. Check out more details along with photos only in High Performance Pontiac

2007年3月10日 · This Chevrolet L98 TPI engine has its displacement stroked to 383 cubic inches and has stealth mods installed including a new cam and an extrude honed tuned port injection system to make 458 HP...

The Key reason the the 88-92 L98 350 TPI motors made 245hp and the 93 LT1 made 275hp is that intake. heads flow practically identical numbers and the cam was almost as similar. Best intake for TPI in my opinion is the TPIS miniram. which is pretty much a …

2023年8月2日 · The simplest way to merge TPI with your classic Chevy is to use the engine, harness, and computer from a donor car.

2015年9月21日 · The test involved comparing both a stock and modified Tune Port Injection (TPI) system to a conventional carburetor. The TPI system represented the ultra long-runner, EFI approach, while the dual-plane intake presented the more conventional carbureted system.

2006年7月1日 · We investigate whether the TPI intake or a carburetor is the better induction system for the L98 engine in your C4 Corvette - Vette Magazine

Welcome to Harris Performance, this site dealing with the TPI Tune Port Injection system used by GM from 1985 through 1992. I have posted pages to help those with these systems overcome the limitations of those systems and point out what those limitations are.

Upgrade the classic GM TPI systems to modern EFI technology; Improves driveability and performance with advanced self-learning technology; Boost ready with a 3 BAR MAP sensor to support up to 25 psi; New wiring harness connects to factory sensors and components; Compatible with single or dual wide-band oxygen sensors

2003年12月29日 · TPI - Tuned Port Injection discussion and questions. LB9 and L98 tech, porting, tuning, and bolt-on aftermarket products.