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Location:
Sydney
Registered:
September 2004
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Best CA20E motor?
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Wed, 06 April 2005 08:45
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I have a pintara with the CA20E twin ignition (8 plug) motor as a back up car. Now the motor is showing its age with rhythmic surges of power and various other symptoms.
Im looking for the model of car which had the 'latest gen' of the RWD CA20E motor as it were, so that i can price a halfcut and do a swap.
As i understand it there are vacuum advance style motors (mine  ) and electric advance style motors, also single spark variants.
Does anyone know what pintara/pulsar/gazelle has the latest model CA20E? and what hardware does that motor come with?
thanks!
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I supported Toymods
Location:
Perth, WA
Registered:
May 2003
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Re: Best CA20E motor?
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Wed, 06 April 2005 10:42
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why not go ca18det?
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I supported Toymods
Location:
Australia
Registered:
November 2003
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Re: Best CA20E motor?
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Wed, 06 April 2005 11:02
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R31 pintara's had the last model CA20E.
I think its 89ish before the change over to FWD.
I converted my mates to CA18DE from a Silvia. Bolts in, just need the silvia flywheel.
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Location:
Sydney
Registered:
September 2004
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Re: Best CA20E motor?
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Thu, 07 April 2005 02:29
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really? bolts in?
you mean you got a whole ca18de and threw it in, not bolted a ca18 head on the ca20 block...
so if i wanted a rwd ca18de id get like a half cut from a 180sx, or an s13?
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I supported Toymods
Location:
Australia
Registered:
November 2003
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Re: Best CA20E motor?
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Thu, 07 April 2005 02:40
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Yeah man, CA18DE block.
I'm 90% sure we used the CA20E aircon unit, but I can't remember.
We used the CA20E engine mounts, they bolted to the CA18DE block.
The exhaust was too short by 100mm or so, but it only cost $50 to get a bit made up.
The wiring was the hardest bit as it was my first attempt.
The CA20E fuel pump is constant earth, and 12v switched.
The CA18DE is constant 12v, and earth switched.
Took about 4 days to figure that one out.
Tacho still doesnt work, as it needs a booster (CA18DE is coil pack)
We didnt use the temp sender from the CA20E so the temp guage is a bit off (I'm not even sure if they have a separate guage and ecu sender like Toyota's do)
The CA20E uses a 6 bolt flywheel, and the CA18DE uses an 8 bolt.
The CA18DE we got was an auto, so we had to source a flywheel, and a new clutch.
Don't forget to put in a spigot bush if you do the same!
Throttle cable is on a bit of an angle, but its been like that for a couple of years now, and its fine. It even went over the pits like that.
I think thats the main differences.
I do recommend changing the water pump, timing belt while the motor is out too. The water pump is off the timing belt, so its a bitch to replace while in the car.
Get the injectors cleaned and give the coilpacks a nice cleaning with CRC too.
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I supported Toymods
Location:
Australia
Registered:
November 2003
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Re: Best CA20E motor?
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Thu, 07 April 2005 02:40
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And it was from an S13 Silvia.
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Location:
Adelaide, SA
Registered:
May 2002
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Re: Best CA20E motor?
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Thu, 07 April 2005 08:50
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Put in a toyota motor 
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Location:
Sydney
Registered:
September 2004
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Re: Best CA20E motor?
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Thu, 07 April 2005 09:34
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believe me im tempted...the r31 engine bay screams for a 1jz, but as its my backup car (ie the one that you want to spend the least on) a straight bolt in job would be best....
i was first tempted just to rebuild the motor myself...but this motor comes with a vacuum advance unit that keeps failing due to age....and i can only find good replacements from wreckers for so long, hence i was wondering what model had the single spark and electrically controlled ignition. cause i have seen them out there and think they would be the better option...
thanks for all your input btw guys!
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