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Old May 6th, 2008, 09:27 AM   #1
broken ranger
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Default 93 ford 4.0 rebild

i was wondering if anybudy new whare i could find a rebuild kit for the 4.0 1993 ranger motors. i was looking to get flat top pistons for it and a cam. I am building up this motor and planing on building a turbo kit for it too.
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Old May 6th, 2008, 09:31 AM   #2
Drg racr
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I just went to Advance Auto and got my kit. It's not cheap, trust me. The gaskets alone were almost $200. I think Summit Racing has them too. I'm not sure if they make forged pistons. Crane makes a cam for the 4.0L.
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Old May 6th, 2008, 10:32 AM   #3
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1) you do realize that by making the motor "turbo'd" you're going to have to fab the entire system up, and you should also have a custom ground camshaft as well as custom intake runner lengths (if you want to really do it right), right?

2) there is a supercharger kit that you can/could buy off ebay that uses a supercharger from an older model T-bird with a 3.8 (IIRC), and would be much easier to utilize if you just want boost....therangerstation.com has some details in their tech section. Explorer Express makes one for a SOHC motor, don't know what it'd take to make it work on the OHV

3) comp cam's offers two cams for the OHV 4.0, but if you plan to boost (with a turbo as spool times will vary based off which set up you use) I'd recommend getting a desktop dyno program and playing with different cam profiles and manifold settings......a company like delta camshafts will make custom ground cams for you....and, I'd HIGHLY recommend their rocker arms for the OHV motor as they feature hardened inserts - something that the factory ones lack and they will wear (in fact, that's why most OHV 4.0's develop a tick; the push rods are harder than the rocker arms). Camcraft also offers custom ground cams

4) summit has pistons for the 4.0...I know sealed power makes some and IIRC clevite does too. They are stock though, and keep in mind the 96+ stock pistons feature smaller reliefs than the 95 down do. As far as flat top pistons go, Tom Morana offers them, and so does Super Six Motorsports, but they're both based on the 96+ blocks....don't know what it'll take to make them work (new heads I assume as 96+ have different chambers) but it can be done.

5) if you want a stock engine rebuild kit, this is the cheapest I've found....but I haven't purchased it so I don't know about quality or anything else: Here

If you do follow through with the build, keep us posted...I'd be interested in the details....
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Old May 6th, 2008, 12:00 PM   #4
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i will keep you posted. about that turbo fab. but the rebild is a littl expensive. The only reason im doing the turbo is that i have two and a have motors so if i blow them up i dont realy care. but a built motor might be a posability
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