The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - Questions about a Gas to Diesel conversion for a '72

cucvzuz · 07-08-2011, 08:39 PM

4bt cummins all the way. 20+ mpg and plenty of power they came in bread trucks with a th400 behind them. I have a 4l80e behind mine i can do 90+ on the highway at 20mpg. with the 4bt there is no cutting of anything, mine just dropped in, all i had to do is build motor mounts.

07-08-2011, 08:39 PM	#7
cucvzuz Registered User Join Date: Jul 2010 Location: howell mi Posts: 248	Re: Questions about a Gas to Diesel conversion for a '72 4bt cummins all the way. 20+ mpg and plenty of power they came in bread trucks with a th400 behind them. I have a 4l80e behind mine i can do 90+ on the highway at 20mpg. with the 4bt there is no cutting of anything, mine just dropped in, all i had to do is build motor mounts.