N/A CA18DE?

[NeedCAforS13]

Hey guys, I guess TMS would know this best, but what's the potential of a N/A CA? I mean if you go individual throttle bodies, aggressive cams, bigger pistons and other stuff like that? Is it worth it? I'd guess it might be b/c TMS uses one and he can get a DET for dirt cheap over there in Japan

But what's involved with making serious hp w/o the turbo MadSci? What would I need and might I just be better off going the turbo route.

I only ask this b/c there are quite afew pulsars (with CA18DE's) in the junk yards around here, and I have a rwd transmission and I still have my old motor to pick stuff off of, like motor mounts (and maybe manifolds) and such. I don't know...just an idea!

Any ideas?

Sean

[boost_boy]

If you can source an 88 pulsar SE's motor and wanting to do the N/A thing, that would be a better unit. It comes with 10:1 compression and it's a screamer (I had a couple of them in my sentra). I recommend going the boost route, though! Just my opinion.........

[NeedCAforS13]

what kinda hp does it make stock, and what kinda numbers could i expect with some tuning (maybe sds?) and other things? TMS what kinda numbers are you making?

Sean

[rtsol]

does the usdm ca18de have the 4 port intake or 8? if its 4, would it be possible to use it on a jdm det with a custom manifold? plus i like the n/a valve covers better.

[NeedCAforS13]

usdm head and jdm block...me thinks that would work?

Sean

[NeedCAforS13]

If you can source an 88 pulsar SE's motor and wanting to do the N/A thing, that would be a better unit.

is that not a CA18DE? is there a difference between the years and can I tell just by looking at them what year it is?

Sean

[lessthanjakejohn]

I asked a question like this a while back. search

edit

http://www.nissaninfiniticlub....a18de

http://www.nissaninfiniticlub....a18de

[NeedCAforS13]

thank you john! lol

well I'd still like more opinions as long as stupid me started a new thread

Sean

EDIT:

Oh and where can I find some of these?

:drooling

[boost_boy]

Try to avoid the 89-90 years. The 90 models have that low 9.5:1 compression and it's crappy as well. The reason why I said 89 as well because of production dates. Stock the 88's put out 125hp and 115lb/ft of torque. The engine was pretty choked-up because of emmisions back then. Food for thought, I used to take out the 2000 civic si's on a regular basis and smoked the B13 & B14 sentra SE-R's as well. The U.S. head is the same as the JDM head. The intake manifold's throttle body crossed the valve cover, but has the more modern design. The engine is pretty much the same minus the crank girdle, squirters, rods and pistons. Their performance on the top end was fantastic. But most U.S. models have a crapped out bottom end due to neglect. My first CA18 started knocking after 1 week of operation. The 2nd one road out like a true trooper.

[NeedCAforS13]

are these at all what those are?

http://cgi.ebay.com/ebaymotors...33550

sorry don't know much (or anything really) about side drafts or whatever those things are on the intake manifold!

[rtsol]

sooo.....yes/no does the usdm ca18de have the 8 intake port head?

[NeedCAforS13]

The U.S. head is the same as the JDM head. The intake manifold's throttle body crossed the valve cover, but has the more modern design.

yes? I think...

Sean

[lessthanjakejohn]

sean get on AIM if your going to be on the computer for a while

[themadscientist]

A CA18DE with a set of high comp pistons and a nice set of cams could make 200hp through the OE intake. I know where some S13 headers are! Having played with a DE I can tell you what to expect. Torque? nope:( I had to launch mine at 8000rpm and as soon as the tires grabbed it would fall flat on it's face. I suspect the chromoly flywheel had a lot to do with it. I would love to see a full on CA NA built, if I find a nice Q silvia after my current beast is sold I might do it. If I did it I would do the following;

CA20E block and crank(no boost need cubes!)Punch it up to 1997cc with an 85mm bore(maybe 85.5 if I could)Forged high comp pistons around 11-12:1(no boost need squish!)Forged rods(CA20 rods are pathetic) Install CA18DET piston oilers and main cap girdle(CA20 no have).8mm Kameari metal head gasket(more squeeze!)Tomei valve springs, titanium retainers and bronze valve guidesTomei 270* cams, solid lifters and cam sprocketsCarb manifold, 50mm TWM injection bodies and GT-R injectorsSDS full engine management system with Delco coilsElectric water pump and GT-R radiatorOS super single clutch

With perfect tuning I would expect a combination like this to post 250hp

[NeedCAforS13]

I know where some S13 headers are!

ooooh tell me!!! tell me!!! better yet send them to Sean Olsen...Orlando, Fl hehehe

but seriously that would be sweet project! could i use the det harness for the mean time...till i get sds?

what about intake manifold? I mean if i use the side drafts do i still use the small middle part of the manifold? (don't know what to call it?)

what size exhaust would be good for a n/a ca?

and one more question...TMS could you get some headers and cams? what does that kinda stuff cost?

Sean

[lessthanjakejohn]

if you use sidedrafts, you dont use SDS,

[NeedCAforS13]

explain this! someone please fully explain how carbs work, and what i'd have to do to make them work on a CA! do i use the harness still?

Sean

[themadscientist]

I can find the header used, as well as the CA18DET parts to upgrade the CA20, you can get a 20 there for like $100.00. I can ship a DE head if I take it apart. You would have to have the rods and pistons made custom but money well spent. The rest of the gear I would have to buy new which would cost big bank. Tomei IMO are THE go-to guys for serious CA gear, check out the cams.

http://www.tomei-p.co.jp/_2003....html

[NeedCAforS13]

I can find the header used

you can find ME a header used or you? email me with prices on this stuff! And i have a de head...from a pulsar...from Ray.

Quote »I can ship a DE head if I take it apart.[/quote]

I'll discuss this with you in an email!

Quote »You would have to have the rods and pistons made custom but money well spent. [/quote]

I agree completly!

and are those cams something in the neighborhood of $400?

Sean

[themadscientist]

about $700.00 for a set of two nasty cams with adjustable sprockets.

Header for you, I sold mine. It was nice too; full stainless HKS 4-2-1 with 100' header wrap on it and six O2 sensors.

[McAdam]

hey, I was thinking about picking up an old S12 and tossing my new soon to be parts cars head on it. I have a 88 pulsar that the bottom end wenty to crap on me. I beleive the CA20 rods would hold up for NA duty, as long as you kept the revs down. then I could use the stock pulsar computer/wiring harness for a little fun...... I love the way these things rev tho.. I had a nice 88 pulsar before it blew the rings, and I much prefer that to my 93 sentra SE-R. sentra is nice and all, low end grunt, but it just dont sing the way the CA did

McAdam

[elballoonrat]

uhhh, sean dont buy webers, they are ****(maybe not that low) but dellorto's are better. look on ebay for dellorto's, your gonna want dcoe 45mm side draft dellorto's, thats what pretty much every racer sround hear uses, look on ebay for dellorto's.

[lessthanjakejohn]

these could be fun

[ca18datsun510]

correct me if i am wrong, but aren't dellorto's a type of weber? such as the tri webers on my cousins 240z are balogna's.

[themadscientist]

those are throttles on a AE101 Levin 20 valve 4AG, not an easy swap. My wife has one of those cars and that 20 valve is one pissed off little 4-banger. I can stay right next B16 VTECs all night in Lucky, it even killed three CA18DETs and two RB20DETs. You guys would love that engine.

[lessthanjakejohn]

A shop in New York has two or three in stock

That is a picture of Bill Strong's soon to be turbocharged 4AG