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HI OFCR · 12-23-2010, 10:06 PM

I have a 40smb with a 4 speed/w a 205 and 3.73 gear pulling down 11mpg on 35's. I will be doing a 5.3 or 6.0 swap when I tear mine down. I have been a part of many LS swaps and you cant beat them for power/reliability.

12-23-2010, 10:06 PM	#5
HI OFCR Registered User Join Date: Nov 2010 Location: West Des Moines IA Posts: 63	Re: what engine should I do I have a 40smb with a 4 speed/w a 205 and 3.73 gear pulling down 11mpg on 35's. I will be doing a 5.3 or 6.0 swap when I tear mine down. I have been a part of many LS swaps and you cant beat them for power/reliability.