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mikefocke · 11-21-2010, 09:42 AM

All I recall is he has a handle on which blocks he can do the 4.0 to, they cost $24k or so, and the warranty is not like on a smaller displacement upsize he does. Custom built. Not your block probably. But huge power at usable RPMs.

So if those ideas don't put you off, call him as he is always looking for folks willing to stretch the boundaries.

ah...use search here. Search for "4.0". Look at the thread about 3.9s. About the fifth reply in that thread Jake starts describing 450HP.....

11-21-2010, 09:42 AM	#6
mikefocke Registered User Join Date: Aug 2005 Location: Sanford NC Posts: 2,537	Jake has posted about it All I recall is he has a handle on which blocks he can do the 4.0 to, they cost $24k or so, and the warranty is not like on a smaller displacement upsize he does. Custom built. Not your block probably. But huge power at usable RPMs. So if those ideas don't put you off, call him as he is always looking for folks willing to stretch the boundaries. ah...use search here. Search for "4.0". Look at the thread about 3.9s. About the fifth reply in that thread Jake starts describing 450HP..... Last edited by mikefocke; 11-21-2010 at 09:45 AM.