Hi Andrew, Man! That's something like a 50% increase in power. I'd actually be happy right now with any increase as I'm looking mostly for smoother operation and easier starting. Russ -----Original Message----- >From: Sandwich Maker <adh@xxxxxxxxxxxxxxxxx> >Sent: Mar 9, 2007 7:56 AM >To: amc-list@xxxxxxxxxxxx >Subject: Re: [Amc-list] Looking for parts & advice. > >" From: Russell Neyhart <rtneyhart@xxxxxxxxxxxxx> >" >" >" Is the 4.0 liter really that much "better" than the 258? Would anyone >" in "normal" driving even notice? For instance, I have a Howell EFI >" setup (not installed yet) so someday the BBD setup will be a nice >" conversation piece in my workshop, with the EFI setup would there be >" much if any real difference between the two engines, performance or >" economy wise? I have a relatively low mileage engine for the year and >" don't see any reason why I'd want to swap it for a 4.0 for regular duty >" just putting around town and going to shows. If there is a thread that >" has discussed this already... please point the way! > >dunno about the howell, but the 258 with the mopar efi kit was rated >160-170 hp. that makes the jump to 4.0 power a lot smaller and the >4.0's cam doesn't have the low-rpm power the 258's does. > >if you needed a new engine the 4.0 would be a reasonable choice, but i >don't think it'd be worth scrapping what you already have. >________________________________________________________________________ >Andrew Hay the genius nature >internet rambler is to see what all have seen >adh@xxxxxxxxxxxxxxxxx and think what none thought >_______________________________________________ >Amc-list mailing list >Amc-list@xxxxxxxxxxxx >http://www.amc-list.com/mailman/listinfo/amc-list _______________________________________________ Amc-list mailing list Amc-list@xxxxxxxxxxxx http://www.amc-list.com/mailman/listinfo/amc-list