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Gen III/Gen IV Cylinder Head Buyers' Guide
In the market for a huge power increase? Then you're probably looking at getting a set of ported aluminum heads on your GM car or truck.... more |
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2005 Pontiac GTO Vs 2001 Pontiac Trans Am WS6 - Bottle-Fed Brawl
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GM Stillborn Gen III V-10 - Perfect 10
Both Chrysler (1994) and Ford (1996) have a V-10 powerplant in their engine lineup. So why doesn't GM? As you will see, GM looked into... more |
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1999 Chevy Corvette - AFR 205CC Heads - Cobra Killers
AFR's 205CC Heads Gain 37hp On Stock LS1 more |
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2004 Pontiac GTO - Back In Black, Part V
With The Vortech Installation On Our GTO Complete, It's Time To Pound Some Pavement, On The Street And At The Strip. more |
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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... more |
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2004 Pontiac GTO - Back In Black Part IV
In the May '05 issue of GMHTP, we began our installation of Vortech Engineering's centrifugal supercharger kit on our '04 GTO. As those of... more |
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LS1 Supercharger Install - Blown Away
For Project LS1 the time had come for drastic measures. Its time with owner Jay Heath was drawing to a close, our efforts to acquire a... more |
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LT1 High Mileage - Old School
LT1 F-bodies have good looks, great performance, and huge potential. And lately, they're getting damn cheap, too. Look on some of the big... more |
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How To: Properly Install And Degree An LS1 Cam And Timing Set
It's not your good 'ol small-block, so pay attention. Setting up a new bump stick in Gen III and IV engines requires the same base tools... more |
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2004 Pontiac GTO - Back in Black Part III
Thus far in our 2004 Pontiac GTO buildup, we had been adding a little performance here and there with some simple engine and chassis mods.... more |
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Stainless Works Headers & Catback Install - Velocity Viagra
While every other commercial on TV advertises drugs that will treat depression, baldness, or that other male problem, none of them can... more |
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2004 Chevy Silverado - Silver Autocross
Right now, the GMHTP faithful are left with precious few options for RWD V-8 performance while we wait for a Camaro replacement. But one of... more |
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Crate LT1 Engine - Displacement On Demand
In part I of our crate LT1 build (March 2005), GMHTP described the process by which Golen Engine Service produces its affordable 383 LT1... more |
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2004 Pontiac GTO Chassis Modifications - Back In Black: Part II
In the last installment of our Pontiac GTO buildup, we added nearly 37 rear-wheel horsepower and 30 lb.-ft. of torque with some engine... more |
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GM's LS6 Z06 Crate Motor - Corvette Crate Motor Curves
On paper at least, GM's crate motor program appears to offer engines that deliver excellent results in terms of bang for the buck. But the... more |
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Precision Turbo Upgrades - The Sultans of Spin
The 3-bolt 70-series turbocharger for the 3.8-liter Buick--track-proven to run easy 10.50s--has enjoyed lasting popularity with Turbo Regal... more |
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2004 Pontiac GTO - Back in Black
It's bad, it's black, and most importantly, it's back. Fans of GM muscle have waited a long while for its return, and the new 2004 model of... more |
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LS1 Aftermarket MAF Sensor, Water Pump Install - Go With The Flow
Since the inception of GMHTP's LS1 project car, we've cut a full second off its ET (13.36 to 12.36), added 6 mph (103 to 109) to the trap... more |
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Accel DFI Conversion - 21st Century Digital Toy
Just like anything else in life, it's easy to take EFI for granted when you live with it every day. GMHTP is EFI only--and with my... more |
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2002 Pontiac Trans Am - Operation: Apex Annihilation
We're fairly certain that the majority of people lower their cars for aesthetic reasons, but Lou Gigliotti of LG Motorsports lowered his... more |
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GNX-Style Dashes - The X Styles
In the force-inducted EFI world, proper gauges are a must. Your ride has too much happening with boost, fuel, oil and electricity to rely... more |
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TransGo Shift Kit Install - Stall, Stab & Shift
Our LS1 project Trans Am is coming along nicely, having run a best elapsed time of 12.85 at 108.59 with nothing but an exhaust system and a... more |
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LT1's Fuel System Modification - Project Snowball, Part III
For many of us, our first engine upgrades involved saving up for a Holley carb and intake--we sure didn't have money left over for fancy... more |
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TH200-4R Rebuild - No Nonsense 900
The 200-series transmission, which came into being in the late 1970s, evolved from the limp-wristed 200 and 200C 3-speeds into a 4-speed... more |
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