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Technical Articles

At GM High Tech Performance, we focus on all types of General Motors cars and trucks with a concentration on the latest fuel injection engine technology such as LS1, LS2, and LS7. You’ll also find suspension and braking installation tips from our experts.
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1987 Pontiac Firebird - Trial Formula
Check out this Exclusive 1987 Pontiac Firebird Formula, featuring Mufflex 4-inch exhaust, Motown engine, Koni Spa-1 Shocks, centerline wheels, and More!... more
 
LT-1 Ignition System - Getting to Know the Opti-Spark
Editor's Note: Way back in March of 1998, GMHTP ran "Opti-Spark" by Ray Bohacz, an engineering-level dissection of GM's Opti-Spark distributor. This evolutionary ignition component was a bridge... more
 
LT1-Powered Chevy Camaro Z28 - The Final Countdown
Project Grape Of Wrath is at an end, at least for the foreseeable future. The last bolt has been turned so it's time to run the final track tests and for our readers to evaluate the relative success... more
 
Change Machine
Politicos and silver-screen adulation junkies have long recognized that the capacity for reinvention is the cornerstone of longevity. The principle obtains equally in the automotive realm, where... more
 
Pontiac Trans Am - Blown Away Part II
Now that East Coast Supercharging has equipped Project LS1 with the Procharger P-1SC-1, an ATI balancer from Thunder Racing, and all of the relocated stock equipment, it was time to wrap things up.... more
 
Boost, Inc.
A Speed-Inc Built, 850-RWHP Street Terminator... more
 
EFI GM Parts - 2006 Best New Products
Twenty must-have new parts for your late model EFI GM.... more
 
1987 Buick Grand National - 11.20s For $1,900
Check out the upgrades this 1987 Grand National got to boost it into 11.2s.... more
 
1987 Buick GN Turbo V-6 - 10-Second TR
Check out this turbo V-6 install in a 1987 Buick Grand National.... more
 
Aftermarket EFI Systems - Tech - Mr. EFI
Collegiate mechanical engineering curriculum typically requires each student to complete a senior design project. More often than not, these requisite projects are pursued with a level of enthusiasm... more

GMHighTechPerformance Blogs

 
Katech Gen 4 LS Piston Squirter
Overheated pistons can be detrimental in high output racing applications, which is why Katech... more
 
 
 
Denied!
The US Treasury tells GM N-O!... more
 

GMHighTechPerformance Forums

 
GM Dealerships
I just had to bring my 2000 Z28 into the dealership this week because the security light on the... more
 
Motor Oil
I change my own oil. I have a 2003 GMC Sierra with 5.3 liter V8 with 106,000 miles. I use... more
 
What car do you want to see in the future at GM High Magazine?
What cars do you think would be cool to see at GM High-Tech Performance Magazine?... more
 
Gauges on ls1 swap
Looking for a little help with gauges on a ls1 swap. I'm one of those old guy that thinks a hei... more
 
CYLINDER HEAD CASTING MARKS
Is there an on-line location to look at the casting marks that are on the front of the heads to... more

 

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