Viper Alley - Dodge Viper Forum - View Single Post - How similar is the Shelby engine to the Ford GT?

**Biggest** · September 13th, 2006, 06:06 AM

The Shelby motor is cast iron block, the GT motor is aluminum block (400 pound difference). Different blowers account for the HP delta. And a GT with 525RW is very strong stock and dyno'd under ideal conditions.

September 13th, 2006, 06:06 AM	#3
Biggest Only one Viper but... Biggest is offline Join Date: Jan 2003 Location: West Texas Posts: 9,926 Rep Power: 24	The Shelby motor is cast iron block, the GT motor is aluminum block (400 pound difference). Different blowers account for the HP delta. And a GT with 525RW is very strong stock and dyno'd under ideal conditions.