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Year 2004 Archive — Digital PDF Downloads Available Now

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GMHTP Jan 2004
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Features
LS1 Bolt-Ons: What Are They Worth?
The Blown And The Beautiful, Juice And Boost Triple-Threat Trans Am
Black, Boosted And Bottled B-Body, High-PSI Head And Cam C5.
Hot Late-Model Tech, Get A Grip: Fourth-Gen. Clutch/Shifter Swap.
GMHTP Mar 2004
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Features
Hot Swap Action: LT1 Into Third-Gen. F-Body
Barely Legal! 10-Second Stormer With C5R Power!
8.5 ETs-And Street Legal!
Plus: Twin-Turbo Camaro Turns 10s
GMHTP May 2004
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Features
Strip/Dyno Blast: 7 Hot LS1 Airlids Which Is Best?
GMMG ZL1: 600 Horses, 11.40 ETs
Smokin CTS: 11s In A Turbo Caddy
Insider Secrets- Porting Gen. III Heads
GMHTP Jul 2004
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Features
Check Out Our All New Design!
World's Baddest LS1? 1.200 Horse Droptop Blasts 8.52!
Aussie Thunder: Tracing The 2004 GTO's Roots
The Goods: Go Fast, Part II: LS1 Tuning For Max Power, Cheap Thrills: GMHTP At E-Town.
GMHTP Sep 2004
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Features
Exclusive! Dave Hill Speaks Out About 400-Horse C6
Southern Cookin: LS1 VS. LT1
Juiced - Up Camaros Bottle It Out In Texas!
Traction Action: LS1 F-Body Drops 5 Tenths
GMHTP Oct 2004
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Features
We Go 11.97 In The '04Z06
Fourth - Gen G-Men
Carving The Cones With LS1/LT1 F-Bods
Tire-Smokin GM EFI Tech: Go Digital: 383 Carb-To-DFI Swap
GMHTP Nov 2004
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Features
Single - Digit Screamer
World's Quickest AWD Syclone
7.40@192 Can This Blown F-Body Go 6s?
Hardcore EFI Action
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