Jan 8, 2021 · How to Make Power with a Chevy TBI V-8. Tips for adding power to a throttle body injected (TBI) Chevy 305, 350, or 454 V-8 engine.

Pictured is a TBI complete system for a 2bbl Chevy V8. Some of the components shown above may look different from what will be included with your kit. The complete TBI system comes with all components needed for a closed loop system except for …

One of the most popular EFI conversions to older Chevy engines or any engine for that matter is the GM TBI system using the 1227747 ECM. There are many others that will do the same thing but the 1227747 is most well known and documented and will be the basis for this article.

Dec 1, 2004 · Here's the out-of-the-box layout of the Edelbrock EFI kit for our '95 Tahoe. It includes the manifold, hoses, fittings, and wires necessary to complete the swap.

Jun 29, 2014 · Anyways I started out with a 1987 4x4 with the tbi 350 and now I have a 370hp 355 running the Holley sniper. I’m going to attempt to go step by step in what I did in regards to each step of the tbi to sniper conversion. I went the cheap route for my fuel system.

To fix 90% of the exhaust issues, I recommend a Flowmaster Y250300 collector from your favorite vendor and replace that section of Y pipe where the 2 pipes merge. Dramatic improvement over that stock GM design.

When using a Megasquirt-I, you will need to adjust the idle speed screw to obtain a fast enough idle in cold weather. We’ve recently developed a HEI mod kit that gives a stronger RPM signal in cars with noise problems. For the pre-mod kit version of this article, click here. This article also mentions the relay board.

Apr 15, 2018 · Here's the procedure (in .pdf form) for setting your base idle and TPS. It's old but works on our trucks too. Another way to do it, with a scanner. Start it up like normal, warmed up, with A/C off. Adjust your min idle screw until you see the IAC ~10+ steps. PlayinWithTBI to the rescue again. It was definitely the jumper still being in.

Throttle Body Fuel Injection or TBI systems are configured for the most economical way to replace that old carburetor. Provides great starts, drivability, and fuel economy. Hamilton Fuel Injection uses the highest quality thin wall high temperature wire available today.