Author Topic: working a ca20e?  (Read 4226 times)

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Offline deadant

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working a ca20e?
« on: Nov 18, 2008, 06:17PM »
what are peoples thoughts on putin a bigger piston into a ca20? upgrading the injectors things like that... thinkin of doing it since i can get it done cheap thro people at work

Offline bones

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Re: working a ca20e?
« Reply #1 on: Nov 18, 2008, 07:42PM »
TURBO THE BASTARD THEN WORK THE INTERNALS OFF THIER TITS!!!!

or swap to KA...
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Offline Jono

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Re: working a ca20e?
« Reply #2 on: Nov 19, 2008, 08:52AM »
If you're after cheap power get a CA18ET turbo manifold and a t25 of some sort.
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Offline Gibbo

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Re: working a ca20e?
« Reply #3 on: Nov 19, 2008, 03:00PM »
Do it ! ;D N/A is the best  ( man is this going to stir up the pot .lol )
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Offline timmy

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Re: working a ca20e?
« Reply #4 on: Nov 19, 2008, 03:30PM »
You won't end up with anything especially powerful unless you turbo imo.

Offline deadant

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Re: working a ca20e?
« Reply #5 on: Nov 19, 2008, 04:07PM »
i will turbo it.....

Do it ! ;D N/A is the best  ( man is this going to stir up the pot .lol )

what u mean this is going to stir the pot?

Offline noss

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Re: working a ca20e?
« Reply #6 on: Nov 19, 2008, 04:59PM »
what u mean this is going to stir the pot?

he means the n/a vs. turbo argument.

you could probably raise compression, put in a bigger cam, exhaust, port and polish.. you wont get a lot, but you might be happy with it.. pringles has a big cam and some basic breathing mods and yes, i know he drives like a retard, but his car goes as hard as, if not harder than a lot of ka24e's.


turbo though, very impressive. jono's motor is basically ca20e with ca18et manifold and ecu as i understand.. when i tuned that car i was very impressed.. not only was it one of the easiest tuning jobs i've ever done, it was impressively quick. you need the ca18et ecu though, cause the ca20e ecu is very restrictive. that means a few extra mods to get it going (sensors that work with the ecu)

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Offline deadant

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Re: working a ca20e?
« Reply #7 on: Nov 19, 2008, 05:20PM »
well i was told that ca20 motors dont really go fast and they will just break if turboin...

Offline eurisko

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Re: working a ca20e?
« Reply #8 on: Nov 19, 2008, 07:09PM »
Being one of the few people that has actually disassembled a CA and modified the thing up... i would also agree quite quickly that a non-reinforced CA20 engine will destroy itself quickly.
 
They are NOT designed to be modified. Everything about the CA20 is restrictive.

If you want to turbo - Look at metal head gasket and ARP head studs at the least. Compression is ok (8 something from memory) but look at replacing the rings. Pistons should be ok with standard head - rods will be the first to go.


If you want to take it all the way -  CD20 crank from a diesel engine will slip right in with only slight mods. This will require a few changes to the block (just some grinding) and new rods. But, with that done.... expect a monster engine that will be capable of anything. Well... whatever else doesnt fail first...


But theres too much to list....

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Offline deadant

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Re: working a ca20e?
« Reply #9 on: Nov 19, 2008, 08:32PM »
might look into it sum more, not sure what needs to be done

Offline SSS

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Re: working a ca20e?
« Reply #10 on: Nov 20, 2008, 08:00AM »
I'm probably re-iterating other's points here, but if you want to stick with the CA20 in NA form, get it to breathe. And it all depends on how much you want to spend.

- start with bolt ons; big free flowing intake with a cold air box, preferable sealed, and with its feed coming from the front bar so you get a ram-air effect at speed. A decent size exhaust and cat will help, i'd go for a 2.5" cat back with mandrel bends, and a metal cat with 2.5" outlet and a 2.25" inlet, build a set a good 4-1 extractors for it.
- get a stock inlet manifold, cut it down, and weld on a new plenum, that is significantly larger in volume (ie greater than 2.5L, on a 2.0L engine i'd go for around 3-3.5L plenum) with the entrance to the runners from the plenum being bellmouths. For throttle bodies, go for a single KA TB or try and pick up a twin throttle body from a mustang/RX7/cadillac catera.
- get someone to port the head and do a 3 angle valve job; run a BIG cam in it too.
- with engine internals, get the lightest pistons you can; ACL's hypereutectic pistons are lighter than stock cast pistons, and if you get them in 1mm oversize, that should bring your engine's size upto approx 2.1L.

You can spend as much or as little as you like; IMHO if i were in your shoes wanting an NA build i'd start with a KA24DE or SR20VE due to the aftermarket parts available for them.
Me, personally, i'd be doing a KA24E NA build, but that is because i am a little nuts. :)

Offline Jaytee

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Re: working a ca20e?
« Reply #11 on: Jun 3, 2009, 11:42PM »
Being one of the few people that has actually disassembled a CA and modified the thing up... i would also agree quite quickly that a non-reinforced CA20 engine will destroy itself quickly.
 
They are NOT designed to be modified. Everything about the CA20 is restrictive.

If you want to turbo - Look at metal head gasket and ARP head studs at the least. Compression is ok (8 something from memory) but look at replacing the rings. Pistons should be ok with standard head - rods will be the first to go.


If you want to take it all the way -  CD20 crank from a diesel engine will slip right in with only slight mods. This will require a few changes to the block (just some grinding) and new rods. But, with that done.... expect a monster engine that will be capable of anything. Well... whatever else doesnt fail first...


But theres too much to list....
How much yu think it'll be to do??? i might go with this idea and stick with the CA20  ;)

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Offline deadant

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Re: working a ca20e?
« Reply #12 on: Mar 22, 2010, 05:46PM »
whats the go with having a ca18 head on a ca20 block? i was just told about it...

Offline chr1S

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Re: working a ca20e?
« Reply #13 on: Mar 24, 2010, 11:09AM »
I know the go,

unless your serious about the whole thing, don't waste your time thinking about it
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Offline deadant

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Re: working a ca20e?
« Reply #14 on: Mar 24, 2010, 11:21AM »
i was told it was a good idea.

Offline Jono

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Re: working a ca20e?
« Reply #15 on: Apr 6, 2010, 04:55PM »
Different size timing belt, different oil galleries, different timing belt tensioner, timing covers don't fit, different ignition setup.

It can be done, but needs some ingenuity. It's far from a bolt-on job.
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