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Jeep Wrangler YJ
YJ General Discussion
Weighing my options
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<blockquote data-quote="Gary747" data-source="post: 427428" data-attributes="member: 19207"><p>My opinion, for cost, is to pull the head, recondition whatever it needs, and replace the head gasket. That's assuming the block is doing fine and you're happy with the carburetor.</p><p></p><p>The 4.0 option gets you fuel injection, but there is a bunch of extra stuff required to support it (fuel pump, computer, wiring harness). Mopar used to sell a kit to convert the Carburetor 4.2 to Electronic Fuel Injection (EFI), but I just checked and it is no longer available. </p><p></p><p>I have the 4.2 with that Mopar conversion and have had no problem finding parts. I also had a head gasket blow and replaced it in short order. To that end, I have a parts list with everything in that EFI conversion kit for the Manual Transmission (AX-15), so theoretically, you could purchase the kit in parts. I believe that list also contains the additional Automatic Transmission parts needed but were omitted from the box mine came in.</p><p></p><p>Your decision is as much emotional as it is practical, What shape is the rest of the Jeep in? Are you happy enough with it to invest in a new engine? Personally, I think it is way more cost effective to maintain the heck out of the Jeep than to buy a new one.</p></blockquote><p></p>
[QUOTE="Gary747, post: 427428, member: 19207"] My opinion, for cost, is to pull the head, recondition whatever it needs, and replace the head gasket. That's assuming the block is doing fine and you're happy with the carburetor. The 4.0 option gets you fuel injection, but there is a bunch of extra stuff required to support it (fuel pump, computer, wiring harness). Mopar used to sell a kit to convert the Carburetor 4.2 to Electronic Fuel Injection (EFI), but I just checked and it is no longer available. I have the 4.2 with that Mopar conversion and have had no problem finding parts. I also had a head gasket blow and replaced it in short order. To that end, I have a parts list with everything in that EFI conversion kit for the Manual Transmission (AX-15), so theoretically, you could purchase the kit in parts. I believe that list also contains the additional Automatic Transmission parts needed but were omitted from the box mine came in. Your decision is as much emotional as it is practical, What shape is the rest of the Jeep in? Are you happy enough with it to invest in a new engine? Personally, I think it is way more cost effective to maintain the heck out of the Jeep than to buy a new one. [/QUOTE]
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Jeep Wrangler YJ
YJ General Discussion
Weighing my options
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