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Author Topic: 1990 YJ AMC 258 swap for amc 360  (Read 12368 times)

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Offline murray195

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Re: 1990 YJ AMC 258 swap for amc 360
« Reply #15 on: February 12, 2011, 01:55:48 PM »
Any idea how many psi you have coming out of the fuel pump for the Holley? 6-7?

Offline jeeper

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Re: 1990 YJ AMC 258 swap for amc 360
« Reply #16 on: February 13, 2011, 02:52:39 PM »
i have a amc 360 in my cj 5 and with the T-18 tranny i can get frt end to lift a bit  and its all stock on motor with headers
1976 cj5 amc 360 4.5 re "lift  35" tires 9000 pound warn

Offline murray195

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Re: 1990 YJ AMC 258 swap for amc 360
« Reply #17 on: February 13, 2011, 08:55:06 PM »
Jeeper, was you cj originally equipped with the 258?

Offline jeeper

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Re: 1990 YJ AMC 258 swap for amc 360
« Reply #18 on: March 05, 2011, 11:22:40 PM »
ya it was a 258  then 304 now its the 360 and i have changed the diffs to wide track
1976 cj5 amc 360 4.5 re "lift  35" tires 9000 pound warn

Offline murray195

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  • No such thing as secrets... just useful info
Re: 1990 YJ AMC 258 swap for amc 360
« Reply #19 on: March 07, 2011, 10:20:17 AM »
Ok, mount wise did it pretty well bolt in? From my understanding the only reason for slotting the passenger side hole is due to the Yj having its frame rails set further apart. I have to let me jeep go, but whoever ends up with it may want to do this swap  :'(

Offline jeeper

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Re: 1990 YJ AMC 258 swap for amc 360
« Reply #20 on: March 07, 2011, 06:58:35 PM »
i bought new motor mounts 360 is wider than the 304 so i had to get mounts that were slotted
1976 cj5 amc 360 4.5 re "lift  35" tires 9000 pound warn