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**Palf70Step** · 12-04-2005, 01:25 PM

I think the 650 would be way too much for that engine. The 390 would make a better DD. To set the 4 bbl up right you have to change from a rod throttle linkage to a cable linkage. The 4bbl will give you overall better mpg and performance.

12-04-2005, 01:25 PM	#8
Palf70Step State of Confusion! Join Date: Jul 2002 Location: Gulfport, MS USA Posts: 47,471	Re: 4bbl on a 250? I think the 650 would be way too much for that engine. The 390 would make a better DD. To set the 4 bbl up right you have to change from a rod throttle linkage to a cable linkage. The 4bbl will give you overall better mpg and performance. __________________ Bill 1970 Chevy Custom/10 LWB Fleetside 2010 Toyota Tacoma PreRunner SR5 Double Cab - DD Member of Louisiana Classic Truck Club (LCTC) Bill's Gallery Life isn't tied with a bow, but it's still a gift. Live simply. Love generously. Care deeply. Speak kindly. Leave the rest to God!