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Converting a 4 cylinder into a V-6 ?

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  • Converting a 4 cylinder into a V-6 ?

    Now that my 4 cylinder is blown. I still have the rebuilt V-6 in the other fiero frame. I was thinking of just putting the V-6 in instead of getting a new 4 cylinder. Other then the motor mounts on the cratel what else do I need to do? Also how difficult is it to do?

  • #2
    Re: Converting a 4 cylinder into a V-6 ?

    Coolant lines, exhaust, ECM, engine wiring, radiator... It's not that bad.. Just make everything match up with the donor car.
    [img]http://www.fiero-performance.com/misc/songman355a.gif[/img]      [url=http://www.fiero-performance.com/][COLOR=FFFFFF]Fiero-Performance.com[/COLOR][/url]      [url=http://www.fiero-performance.com/coastrun/][COLOR=FFFFFF]2nd Annual California Coast Run[/COLOR][/url

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    • #3
      Re: Converting a 4 cylinder into a V-6 ?

      Thanks Songman. I also wanted to know, Can I bolt the V-6 to the 4 cylinder's 5-speed transmission or is it better to leave the V-6 connected to the 4-speed transmission.

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      • #4
        Re: Converting a 4 cylinder into a V-6 ?

        Gerard T.
        I did this in my countach kit. Removed a 4 and installed a 6. Coolant hoses were not a big deal. I extended the fuel lines with 3/8" steel brake line and compression unions.
        I had some help from the guy that owns the Fiero Shop here in Toronto guide me thru the differences in the job. I could not get it to run right after that. HE DID NOT KNOW THAT 4 fuel pump is different than a 6 fuel pump. IDIOT! I had to figure it out on my own. 14PSI vs 35PSI.
        One other change is the fuse panel on the 4 cyl cars has 2 fuses missings. Install 2 fuses and fire it up, these fuses are for the injectors.
        Go with the 5 speed, you will be glad you did. I found a higher top speed even though everyone says the top speed is the same. I could shift into 5th when the speedo was straight down and buried.

        Good Luck

        Jim
        http://jimdinner.wordpress.com/

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