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1989 Geo Prizm; automatic to standard tranny conversion
Topic Started: Sep 26 2012, 09:11 PM (657 Views)
GeoStalker
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Geo Stalker

I ran into a guy at a pic-n-pull who was driving a nice light blue 1989 Geo Prizm. He said originally it was an automatic transmission but that he converted it to standard with a tranny from a Toyota Corolla......

Does anybody in this forum own a Prizm, and have you attempted this type of conversion? What type of mpg results can you report? This gentleman stated he's averaging 42mpg.

Geostalker
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aaronvincent
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Mr Mojo Risin'

I owned a 91 Prizm and I could easily see that happening. The parts are VERY simple under the hood and mine got 36mpg+ with its 5 speed and my lead foot ;)

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My Prizm circa 2008
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HelterSkelter
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#1 Pizza Driver

the prizm is a corolla, so just look up corolla tranny swaps.
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Cobrajet25
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Tranny swaps on common cars like this are super easy.

Step One: Sell Prizm with automatic.

Step Two: Buy Prizm with manual.

Impress your friends! Seriously though, a nice Prizm with an automatic would be quite easy to sell, and a nice one with manual will be easy to find. And likely cheaper.

I had a '90 Prizm automatic (not for long) and a '90 Corolla with a manual. The Prizm I bought for $175 with a bad motor. The nice thing about these is all the engine compartment shrouding is plastic and comes off...all the way around the engine. The motor/trans swap was very easy. The auto Prizm did about 32, the manual Corolla did about 37.
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Horn


Cobrajet25
Sep 27 2012, 04:04 AM

Impress your friends! Seriously though, a nice Prizm with an automatic would be quite easy to sell, and a nice one with manual will be easy to find. And likely cheaper.

I would assume the manual one would be more expensive.....just like any mpg car.
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