You need a cam of at least 270 degrees, like AMC use in the sixties
to be able to use a four barrel:
http://www.compcams.com/technical/Ca...6-07/16-19.pdf Stock muscle
cars used 300 degrees of duration.
God Bless America, Bill O|||||||O
http://www.billhughes.com/

Dave Milne wrote:
>
> Any idea if the Edelbrock 600cfm 1405 Performer + Edelbrock 2131 manifold
> will require a metering or jet change on a stock 360 '91 Grand Wagoneer ?
>
> Dave Milne, Scotland
> '91 Grand Wagoneer, '99 TJ