GM 5.7 L 1996-2000


The most powerful throttle body in the world is now available for the most famous engine of ALL TIME!

The 350 cid (5.7 L) engine is indisputably the most famous engine GM has ever made! Well, now we are offing the Gadgetman Groovy Throttle body to the general public, made just for this VERY cool engine.


40% increase in mileage is on the LOW end, and I can tell you this. I have DOUBLED the mileage for DOZENS of owners of this engine and that’s along with throttle response that will SHOCK your friends!.

You will be VERY happy with the way your engine responds to this simple modification!

2 in stock


The most powerful throttle body in the WORLD is available!

Since time immemorial, we have sought better mileage and MORE out of our fuel costs in the most popular engine in the world. Well, with the advent of The Gadgetman Groove, we can get AMAZING gains out of the 350 cid (5.7 L) engine produced by General Motors.

If you’re sick and tired of spending your hard-earned money and getting a FRACTION of the power you’re PAYING for, there is NOTHING like The Groove to give it to you.

Add a Groovy Throttle Body to YOUR engine and WITNESS THE POWER!!!

And best of all, the more you USE your power, the more POWER (AND the more MILEAGE!) you’re going to get!

FORGET “Driving Miss Daisy”! Remember Rusty Wallace and REJOICE!

This throttle body (and a couple of other little tricks I use!) has given MANY of these vehicles DOUBLE their mileage, and that’s with CRAZY POWER!

It will fit the 5.7 L (350 cid) engines as listed below (and some others.)

Escalade- 1999
Suburban- (all models)- 1998 – 1999
Tahoe- 1998- 1999
Yukon- 1998-1999
C1500, C2500, C3500- 1998-1999
Denali- 1998-1999
Savanna- 1998-1999