E7 heads

Discussion in 'Technical' started by awannabegrabber, Mar 15, 2007.

  1. awannabegrabber

    awannabegrabber Always Learning

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    I aquired some heads that came off a 94 Gt mustang. I was told they were E7's and i was wondering what type of modifications would i have to do to put them on.

    will they work with the stock intake untill i get a new one, and are they better than what i got on. (stock heads)
     
    Last edited: Mar 15, 2007
  2. awannabegrabber

    awannabegrabber Always Learning

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    any help???
     
  3. Dave B

    Dave B I like Mavericks!

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    Much better than the stock heads that came with your motor, you can do a little porting and have a good set of street heads, more than enough.
     
  4. awannabegrabber

    awannabegrabber Always Learning

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    well i have a perdicament. A guy has some off of an 86 SHO and they have mild porting and are shaved. but he wants i dont know how much and the E7's are only 40 and i have seen them, all they need is a little cleaning and maby some other stuff.

    but i also found a complete EFI that i am considering
     
  5. bmcdaniel

    bmcdaniel Senile Member Supporting Member

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    An 86 SHO? What's that? E7 means the cast design came out in 87. Personally I would rather get a set of virgin heads to rework, who knows what someone else did to the other ones.
     
  6. awannabegrabber

    awannabegrabber Always Learning

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    an SHO is a Taurus with a High Output 302 in it
     
  7. FredH

    FredH Member

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    Never heard of a Taurus with a factory installed 302.
     
  8. mean_maverick

    mean_maverick Senior Member

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    no Taurus SHO had a 302 in it. this may help..

    In 1989, the Taurus line was given a boost by the addition of the SHO. It is said that the reason why the SHO was created was because a lightweight two-seater sports car was under development by Ford to compete with the Pontiac Fiero and the Toyota MR2. Ford had sealed a deal with Yamaha for engines for this new car, but since the 'sporty car' market was falling, Ford scrapped the project, having already received a shipment of engines from Yamaha for the car, with many more in production. To utilize these otherwise redundant engines, Ford instead decided to put them in the Taurus, creating the SHO.[9]
    The SHO, however, wasn't the sales success for which Ford had hoped. It had little exterior differentiation from other Taurus models, displaying understated ground effects and plain colors. The interior was very different, giving sports seats and an 8000 rpm tachometer. The SHO became the only Taurus to feature a manual transmission since the MT5 was discontinued in that year. [10]
    A 'special edition' of the SHO was offered in 1991 that had some different styling cues from the 'normal' SHO, such as a new hood, painted wheels and other cosmetic details. This was called the SHO Plus Package.[11]

    [edit] Awards

    The first generation Taurus LX was Motor Trend magazine's Car of the Year for 1986. It was also on Car and Driver magazine's annual Ten Best list each year it was produced, from 1986 to 1991.

    [edit] Models

    ModelYearEnginePowerTorqueTransmissionMT-51986–19882.5 L HSC I490 hp (67 kW)130 ft·lbf (176 N·m)5-speed MTX manualL1986–19903-speed ATX automaticL19912.5 L SFI HSC I4105 hp (78 kW)140 ft·lbf (190 N·m)4-speed AXOD automaticL
    GL
    LX1986–19903.0 L Vulcan V6140 hp (104 kW)160 ft·lbf (217 N·m)4-speed AXOD automaticGL
    LX1988–19903.8 L Essex V6140 hp (104 kW)215 ft·lbf (291 N·m)4-speed AXOD automaticL
    GL
    LX19913.0 L SFI Vulcan V6140 hp (104 kW)160 ft·lbf (217 N·m)4-speed AXOD-E automaticGL
    LX19913.8 L Essex V6140 hp (104 kW)215 ft·lbf (291 N·m)SHO1989–19913.0 L SHO V6220 hp (164 kW)200 ft·lbf (271 N·m)5-speed MTX-IV manual
     
  9. awannabegrabber

    awannabegrabber Always Learning

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    I was close with the SHO. but it does have the 5.0

    Umm. ok i am scraping the EFI, but i am strongly considering the E7 heads. what do you guys think.
     
  10. bmcdaniel

    bmcdaniel Senile Member Supporting Member

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    If it has a 5.0 somebody else put it in there, Taurus' came factory with 4 cylinders and 6 cylinders.

    The E7s would be a step up from your stock heads, but not a very big step. There's a lot of them for sale cheap, the Mustang guys take them off and put on GT40s or aluminum heads. If you need heads, though, they would be better than reworking your stockers.
     
  11. awannabegrabber

    awannabegrabber Always Learning

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    good, Are they hard to change. do i take the old ones off and put the new gaskets and sealent on and bolt them on. or is there more
     
  12. bmcdaniel

    bmcdaniel Senile Member Supporting Member

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    They have pedistal style rocker arms but your old pushrods will probably work ok. If I remember right the water ports are a different shape than the old heads have but you can trim the intake gaskets to match.m Other than that, bolt 'em on and go.
     
  13. Grabber5.0

    Grabber5.0 Gear-head wannabe

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    Taurus SHO's indeed came with a V8 for a while, I saw one of the last ones at the dealership when I bought my van.

    You didn't read far enough down in the Wiki... ;) It was a 3.4L V8, and it also was built by Yamaha the same as the V6, from 96-99. If I'm not mistaken, that was the last year for the SHO.
     
    Last edited: Mar 16, 2007
  14. mean_maverick

    mean_maverick Senior Member

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    Be sure to read what I said, I never mentioned that a V8 didnt come in a SHO

    quote: no Taurus SHO had a 302 in it ;)
     
  15. baddad457

    baddad457 Member

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    Depending on what heads he's got now, he could see a compression drop with E7's. E7's have a nominal chamber size of 64 ccs. As for porting, here's all that's needed to wake them up without spending the bank: Port out the exhuast sides on the roof and sides to match the header gasket, I leave the floor alone. Remove the Thermactor bump in the roof, blend all this down into the bowl under the valve. On the intake side I just remove the casting flash, smooth any other rough spots, and then blend the bowls under the valve. Have a valve job done that uses a Serdi Machine to contour the seats. The port work takes only a few hours, depending on how good your tools are (air compressor, die grinder and bits) I also remove any sharp or rough edges from the chambers then polish these. You can mill the decks up to .040 to get the chamber ccs down before having to do any work to the intake to fit. Can't give you hard flow numbers, but the changes in the heads will obviously help flow compared to what they are stock.
     

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