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4L65E Upgrade - The Mega Monster
4L65E Upgrade - The Mega Monster
Inside a Monster Transmissions’ 4L65E upgrade more
1999 Chevy Camaro SS - SSteel Ride
1999 Chevy Camaro SS - SSteel Ride
Inside Chris Wilhelm's minty-fresh 10-second show-and-go '99 Camaro SS. more
Cathedral v.s. Rectangular Port Cylinders - Head To Head
Cathedral v.s. Rectangular Port Cylinders - Head To Head
The ultimate cathedral versus rectangular port cylinder head showdown. more
Mrs. Anderson
Mrs. Anderson
Valerie Anderson's blown LT1 shows the boys how it's done, 10 seconds at a time. more
  • 4L65E Upgrade - The Mega Monster
  • 1999 Chevy Camaro SS - SSteel Ride
  • Cathedral v.s. Rectangular Port Cylinders - Head To Head
  • Mrs. Anderson
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The Chevrolet SS
Chevrolet announces new SS performance sedan. It will compete in the 2013 NASCAR season and arrive... more
Charity Cruise
 Hot Rodders Children's Charity Tour of the South ... more
Collector Car Appreciation Day
SAN Secures U.S. Senate Resolution Designating July 13th As "Collector Car Appreciation Day"... more
COPO Camaro
GM releases full specs on the COPO racecar   ... more
Race Rules
 Coming to the Holley LS Fest in September ... more

GMHighTechPerformance Forums

Going from 8 Rib Serpentine to Cogged Blower Drive
We started rebuilding the belt system on my 2004 GTO. going to separate the blower drive from the... more
Back Issue July 1999
Any chance this is available?? I've searched everywhere for a copy. Thanks!... more
G8 GXP Redline
What is the Redline for the LS3 Powerplant in my G8 GXP? There are no markings of any kind on the... more
Head markings
I have a 69 chevy 1/2 ton pickup. 350 motor with haed markings of a rectangle box with a single... more
2010+ Camaro TR6060 Issues
I guess this is wishful thinking and maybe I just need to vent but I'd like to see GMHTP look into... more
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