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need suggestions rebuilding 3.9ltr engine 

 

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 Post subject: need suggestions rebuilding 3.9ltr engine
Posted: Mon Jul 01, 2013 6:25 pm 
Oompa Loompa
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Hi I'm just wondering I'm planning on rebuilding my old 3.9ltr engine and I'm just wondering what would be the best way to go about it as in getting new pistons and getting engine acid dipped and all that or just pulling it apart giving it a clean up and getting all New gaskets then putting it all back together it Will be a slow project as I am only 18 and still looking for a mechanic apprenticship cause cars are everything to me haha and engines are just amazing
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     Post subject: Re: need suggestions rebuilding 3.9ltr engine
    Posted: Mon Jul 01, 2013 8:11 pm 
    Fordmods Junkie
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     Post subject: Re: need suggestions rebuilding 3.9ltr engine
    Posted: Mon Jul 01, 2013 8:49 pm 
    Oompa Loompa
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    We'll I have put a 4ltr engine in my car from a eb ford 1993 but I can't just pull it out now cause I need so just though of rebuilding the 3.9ltr would there really be a difference
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     Post subject: Re: need suggestions rebuilding 3.9ltr engine
    Posted: Mon Jul 01, 2013 9:29 pm 
    Getting Side Ways
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    3.9s are s**t. If you are going to rebuild a 4L. Do a AU 4L

     

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    Daily driver: AU2. 5 speed. 19" FG luxos. Full exhaust. Lowered. AU3 XR leather interior, converted to full power windows. 3.45 LSD. IN THE FUTURE: Tickford 6
    Weekend driver: EA SVO AU motor. Built BTR. TCE 2800 stall. T76 turbo. Locked diff. On E85. approx 320rwkw. 11.5 @121mph

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     Post subject: Re: need suggestions rebuilding 3.9ltr engine
    Posted: Mon Jul 01, 2013 11:18 pm 
    Oompa Loompa
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    But then I have to buy a engine and rebuild it haha what would be the difference in power just buying a au engine and just putting that in my car?? I still want the experience of rebuilding a engine though I'm not rich but lol
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     Post subject: Re: need suggestions rebuilding 3.9ltr engine
    Posted: Mon Jul 01, 2013 11:30 pm 
    Fordmods Junkie
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    well then by the AU rebuilder i have sitting in me carport.......... :roll:
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     Post subject: Re: need suggestions rebuilding 3.9ltr engine
    Posted: Tue Jul 02, 2013 12:51 am 
    Oompa Loompa
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    But then I have to buy a engine and rebuild it haha what would be the difference in power just buying a au engine and just putting that in my car?? I still want the experience of rebuilding a engine though I'm not rich but lol
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     Post subject: Re: need suggestions rebuilding 3.9ltr engine
    Posted: Tue Jul 02, 2013 12:52 am 
    Oompa Loompa
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    Sorry I sent that twice f**k internet and what you mean by rebuilder??
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     Post subject: Re: need suggestions rebuilding 3.9ltr engine
    Posted: Tue Jul 02, 2013 2:14 am 
    Getting Side Ways
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    nathaneaford wrote:
    But then I have to buy a engine and rebuild it haha what would be the difference in power just buying a au engine and just putting that in my car?? I still want the experience of rebuilding a engine though I'm not rich but lol


    Well overall a rebuild would be way better than an AU engine. A mate of mine rebuilt his EF 6 to stock (or close to) specs and it destroyed other e series. Power difference wouldn't be too drastic imo it's more the difference of a fresh motor ie they dont rev like a slug, are a lot tighter, throw you back in your seat more that kinda thing which makes the car way quicker.

    Then there's the AU motor option from ebay or a wrecker. I got one for with all accessories/manifolds (140 000k's) for $200 and they weren't in short supply. and you also get the good belt setup although you'll need some things like thermofans, ef/el acc cable/peda/ to accommodate this but it's much better than the clutch fan and the bbm adds some mild power.
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     Post subject: Re: need suggestions rebuilding 3.9ltr engine
    Posted: Tue Jul 02, 2013 8:07 am 
    Getting Side Ways
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    like I said. If you wanna rebuild a 4L. Do a AU 4L

     

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    Daily driver: AU2. 5 speed. 19" FG luxos. Full exhaust. Lowered. AU3 XR leather interior, converted to full power windows. 3.45 LSD. IN THE FUTURE: Tickford 6
    Weekend driver: EA SVO AU motor. Built BTR. TCE 2800 stall. T76 turbo. Locked diff. On E85. approx 320rwkw. 11.5 @121mph

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     Post subject: Re: need suggestions rebuilding 3.9ltr engine
    Posted: Tue Jul 02, 2013 1:57 pm 
    Oompa Loompa
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    We'll once I put the 4ltr engine in my car I put two thermo fans in my car hooked up to a thermatic switch and a but transmission cooler and I got a stage 3 shift kit full exhaust system and I bigger throttle body and stuff that's why I didn't wanna put a au engine in cause I have already switched engines and wiring look once if I just did the 3.9 got bigger pistons and s**t I would be able to use same wiring harness and computer
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     Post subject: Re: need suggestions rebuilding 3.9ltr engine
    Posted: Tue Jul 02, 2013 2:09 pm 
    Getting Side Ways
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    nathaneaford wrote:
    We'll once I put the 4ltr engine in my car I put two thermo fans in my car hooked up to a thermatic switch and a but transmission cooler and I got a stage 3 shift kit full exhaust system and I bigger throttle body and stuff that's why I didn't wanna put a au engine in cause I have already switched engines and wiring look once if I just did the 3.9 got bigger pistons and s**t I would be able to use same wiring harness and computer


    wtf did you just write? :?

     

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    EL Futura: CVE head, Wolf V500, ICE Ignition and Coil, 36lb injectors, Walbro 255lb, Paci comps, 3" exhaust, T5, Harrop Truetrac with 3.9s. Now with 198.9rwkw, (~185rwkw and 13.80 @99.1mph) with more power to come

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     Post subject: Re: need suggestions rebuilding 3.9ltr engine
    Posted: Tue Jul 02, 2013 2:20 pm 
    Oompa Loompa
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    Haha sorry I had to write it quick what I'm saying is I have done so many mods to the 4ltr engine and they arnt interchangeable with the au
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     Post subject: Re: need suggestions rebuilding 3.9ltr engine
    Posted: Tue Jul 02, 2013 7:48 pm 
    Getting Side Ways
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    What? Use the AU block. Bolt on your manifolds etc.

     

    _________________

    Daily driver: AU2. 5 speed. 19" FG luxos. Full exhaust. Lowered. AU3 XR leather interior, converted to full power windows. 3.45 LSD. IN THE FUTURE: Tickford 6
    Weekend driver: EA SVO AU motor. Built BTR. TCE 2800 stall. T76 turbo. Locked diff. On E85. approx 320rwkw. 11.5 @121mph

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     Post subject: Re: need suggestions rebuilding 3.9ltr engine
    Posted: Tue Jul 02, 2013 8:15 pm 
    Oompa Loompa
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    So can I still use the mpfi manifold off my eb engine and all the I can't use a distributor though can I cause its individual coils on the au engine isn't it?? So wouldn't that mean New ecu and engine bay wiring loom or I can use the old one??
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