My friend had a set on his 383 LT1 in his Impala. They appeared to be leak free, until he took the headers off to remove the heads for some work. Turns out they were leaking out of the bottom. Yes he practices the art of retorquing them.. 
Slideshow: A modern Camaro transformed into a retro icon, this limited-run "Bandit" build blends nostalgia with brute force in a way few revivals manage.
By | 2026-04-21 13:57:02
Slideshow: Cadillac didn't just crash the high-performance luxury vehicle party, it showed up loud, supercharged, and occasionally a little unhinged...
By | 2026-04-16 10:05:15
Slideshow: Top ten most powerful Chevy trucks ever made
By | 2026-03-25 09:22:26
Slideshow: Hennessey has turned the Silverado ZR2 into a 700-hp off-road monster with supercharged V8 power and a limited production run.
By | 2026-03-24 18:57:52
Slideshow: A one-off sports car that looks like a vintage Italian exotic-but hides a C6 Corvette underneath-just sold for the price of a new mid-engine Corvette.
By | 2026-03-23 18:53:41
Slideshow: A heavily reworked 1972 K5 Blazer swaps its off-road roots for a low-slung street-focused build with modern V8 power.
By | 2026-03-09 18:08:45
Slideshow: There are thousands of used Camaros on the market but we think you should avoid these 10
By | 2026-02-17 17:09:30
Slideshows: Which one of these myths do you believe?
By | 2026-01-28 18:10:11
The world was a better place when it was still around.
By | 2026-01-23 09:20:37
Slideshow: The 7.0-liter LS7 was designed for absolute cutting-edge performance.
By | 2026-01-07 18:36:00
