Holiday Mod Plans/Wishes

Discuss topics related to the CA18DE and CA18DET series engines.
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float_6969
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So, the CA section has been dead lately, and my work has slowed down, which makes for a boring combination, LOL. So, what are your holiday/winter plans for your CA?

Mine? Get it running, LOL. I'm not far off though. I do need to keep focused on that though. I keep wanting to put it off and do other modifications while it's out (custom intake manifold, extrude hone exhaust manifold and turbine housing, etc) but it's been down way to long. The stuff I want to do can wait till the spring/summer. I just want to be able to enjoy the damn thing!

So what about you guys?


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cbh148
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Car: 2000 Civic Si, 1993 240sx Hatch CA18
Location: Huntsville, AL

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I'm in a similar situation; I just want to get mine running! I've never even driven it, and I've had it since January. I was expecting it would be on the road in March, but boy was I wrong.

I've been struggling with sorting out the lines for my T28, but just got it all done. College and work have been killing my car time, especially since my car is at a friend's house 100 miles away, but I'm graduating in 5 days and moving much closer, so progress should commence.

Current status: CA18 assembled, just needs the turbo and lines mounted, new clutch mounted, trans attached, and dropped into the chassis. Oh and the chassis needs the battery relocated (can't decide if I want to run the battery cable through the interior or under the car). I had a friend clean up my wiring harness and check every wire to make sure it does what it's supposed to. I think my knock sensor is even "deleted".

I need to get a cheap oil catch can, but I'm not sure which one to get, because I'm not sure which way to set it up -- do I need one with a breather filter on it? Or just the cheapest one ebay has?

My setup: s15 BB T28, gonna run it at stock wastegate pressure (how much is it? 8 lbs?), stock manifolds, SuperTech pistons, bored 1mm over (1.9 liter!), stock rods, ACL Race rod bearings, ARP rod bolts, ACL mains, Cometic HG, ARP head studs, ebay FMIC (CA specific), stock radiator, new gaskets everywhere, Spec stage 3 pressure plate with ACT stage 4 unsprung disc, stock cams, stock ECU, stock MAF, no tuning or AFC (so hopefully no sputtering or hiccups! Just smooth, OEM style revving and acceleration).

The chassis has seen some love while it's been waiting for another engine. New coilovers, new rotors and pads all around, converted to 5 lug with new SSR wheels, some nice JDM side skirts, kouki tail lights, Nardi steering wheel, B&M short throw, and some fresh s14 seats.

boost_boy
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Car: B12 sentra w/built CA18DET, B12 sentra w/fully-built CA18DET, S13 coupe w/ CA18DET, S13 hatch w/CA18DET, 2002 maxima SE
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Hmmm, that's the CA curse (taking forever to finish).
Car #1 1993 Nissan 240sx coupe with CA18DET (P/S and A/C functions). Engine includes: ported and polished head, 3 angle valve job, tomei valve springs, JUN cams, .020 stock pistons, polished crank, new pumps, bearings, rings, cometic h/g, arp studs, light flywheel with custom clutch, J30 diff with axles and KYB AGX with tein springs. The turbo is a Garrett GT35R attached to a custom manifold with boost pressures being controlled by an HKS 40mm wastegate. The engine is managed by sn SDS efi system and tuned by none other than me. Fuel is fed via a high performance pump and sprayed into the engine via 1000cc injectors. The last dyno of this set-up is 503whp @ 28psi of boost on one pull and 531whp @ 33psi on pull #2 and it never saw a dyno again. I have another 1992 240sx hatch with CA18DET, SDS standalone, 1000cc injectors, but the engine is stock minus a T28 rebuilt turbo. that car may be up for sale soon as I don't have use for two super cars of the same caliber. I have two sentras that are just as powerful, but I'll talk about them another day.

My cars need paint work and a driver because I don't have time to do any of that stuff as of late. I wish that I would complete other things, so that I can attend to my very expensive investments.

DALAZ_68
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Car: 90' 240sx CA18det

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Honestly my CA is up and running...250hp and healthy after all that work :gapteeth:

only things im really waiting for now is the Wiring specialty harnesses i purchased...

i just picked up my Z32 front and rear calipers i got as payment from a buddy for helping him with his z32 engine swap, and waiting for the ebrake stuff as well... gonna dismantle both sets of brakes and rebuild/poder coat them nice and right... ss conversion lines...rotors, pads...

also need to remove dash and clean up the horrible wiring under there...as well as remove a/c and heater boxes...need to find my firewall rubber plugs...gotta figure out how im gonna mount my gauges properly as well...

need to hook up a stereo unit and speakers in the 2 gaping holes on the sides of the carbehind the seat belt areas...

gotta mount my battery tie down and see what im going to do with the harness that runs along the driver fender...the tuck failed and now i have exposed wiring...dont feel comfy driving it like that

also gotta find bolts and mount my seat belt harness...


dammit...thats a big freakin list... :tisk:

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biosehnsucht
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Sadly, nothing for myself. No time! Starting in the spring though I'll finally pull everything of value out of the old car, and get rid of it, so I can start prepping the new chassis...

At least I finally got around to getting the new chassis's title in my name. I've only had it for 5 or 6 months...

livelyjay
Posts: 303
Joined: Thu May 27, 2004 5:05 am
Car: 1987 Nissan Pulsar (CA18DET)
2003 Mazdaspeed Protege
2007 Toyota Matrix
Location: Rochester, NY

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I'm going to keep soaking up information from you and Dee, save money for the engine, and keep hacking away at my list:
  • Rewire rear defroster and third brake light
  • Fix front motor mount
  • Strip exterior, fix dings, paint candy apple metallic red
  • Fiberglass work: B pillar trim, sub box, monitoring gauges
  • Upholster dashboard with suede or similar material
  • Upholster door panels, maybe seats
  • Upgrade fuel pump to Walbro 255lph

Ron240sx
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Car: 90 240sx ca18det
89 300zx vg30e

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Oh the list i envy.
Soon ill have my head off. Pry tomorrow. See how that looks then go from there on the heads doings
New pistons if mine are too worn out. ( soon to come) New rings for sure, New bearings,
Light weight flywheel and New clutch
New turbo oil lines
Stand alone engine management when the rebuild is coming along. I think im going to look into sds if I can get some pointers from Dee on using and installing the system.
New oil pump
Hot tank and hone for the block. (on the account alls good)
New gaskets
Im thinking about using a New intake manifold but i may just remove the butterflies from mine.
New bigger injectors but what size to use? I was thinking dsm's 555cc
3 angle valve job
port and polish the head
tomei solid lifters
I need to measure the run out but if all is good im just going to use my DE cam shafts
Then hopefully by the time march rolls around I can bust out this car.
Theres body plans yes suspension and brakes of course.
I just try to keep it CA related

DALAZ_68
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Car: 90' 240sx CA18det

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cbh148 wrote: Spec stage 3 pressure plate

i would advise against this...2 very important reasons

*my spec PP had one bolt hole to the FW that didnt line up...by almost a 1/4''
*it failed me, took it to another shop, and it only had roughly 1200lbs of pressure and plooped... :tisk:

yes mine was a stage 2...but after that...im just boycotting them from now ons... :squint:

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cbh148
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Car: 2000 Civic Si, 1993 240sx Hatch CA18
Location: Huntsville, AL

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Hmm well I'm hoping my stage 3 pressure plate is a lot stronger. My friend said it's dual sprung.

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float_6969
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Ron240sx wrote:... but i may just remove the butterflies from mine....
DON'T DO THIS! Not unless you're planning on making 400Hp. Up until the 350HP mark, they make no noticeable gain in the top end and a VERY noticeable loss in the bottom end (assuming they're working). I've had my CA18 both ways, and I didn't like it as much w/o the butterflies. Before the oil filter failed and ruined my 8 port, I was going to pull the sub-manifold back out and put my other sub-manifold with the butterflies back in because it didn't gain me ANYTHING to remove them. I'm stuck with 4 port now though, so we'll see how it compares.
cbh148 wrote:Hmm well I'm hoping my stage 3 pressure plate is a lot stronger. My friend said it's dual sprung.
I've been running a SPEC stage 3+ for about 40K miles @ 300whp and never had a hiccup. I LOVE the light pedal pressure. I can drive my car around in city traffic all day and my leg never tires. I drove my friends KA powered S14 w/an ACT and it was so hard that I doubt you could drive it for more than 20 min w/o your leg starting to tire. Mine has never slipped either

Not to say that other ppl haven't had problems with SPEC, but they're a HUGE brand, and some failures/problems are to be expected. It's how the company deals with the problems that is the most important.

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cbh148
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float_6969 wrote:
cbh148 wrote:Hmm well I'm hoping my stage 3 pressure plate is a lot stronger. My friend said it's dual sprung.
I've been running a SPEC stage 3+ for about 40K miles @ 300whp and never had a hiccup. I LOVE the light pedal pressure. I can drive my car around in city traffic all day and my leg never tires. I drove my friends KA powered S14 w/an ACT and it was so hard that I doubt you could drive it for more than 20 min w/o your leg starting to tire. Mine has never slipped either

Not to say that other ppl haven't had problems with SPEC, but they're a HUGE brand, and some failures/problems are to be expected. It's how the company deals with the problems that is the most important.
That's good to hear (that you like your SPEC stage 3+ pressure plate). Perhaps worth mentioning is the fact that my pressure plate is just a stage 3, rather than a 3+. Hopefully this makes little to no difference.

Also, I have an ACT stage 4 unsprung disc (6 puck) that I just bolted onto the engine yesterday with the SPEC pressure plate. I emailed SPEC to see if it would work fine and they tried telling me the ACT disc was too thin, however, it looks the same as the busted SPEC disc that I have. Their discs cost like 3 times as much.

srt4monster
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i just need to get my car tuned.

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float_6969
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cbh148, if the new ACT disk is the same size as the used SPEC disk, then they MAY be right. IDK if you've ever looked at a disk after it's been broken in, but a fair amount of material comes off during the break in procedure. My concern would be that after break in, the disk would be too thin, which would cause the pressure plate not to put enough pressure on the disk, which would cause it to slip.

I don't KNOW that this would happen, I'm just speculating. I'd hate to hear that you got it all together and then it slips and you have to take it back apart. Maybe call ACT?

I don't want to come across like I think SPEC is better than ACT btw. I think they're both reputable companies. I only have experience with SPEC, and so that's all I can really speak about.

srt4monster, I'm not familiar with your screen name. Can you share some info about your setup?

srt4monster
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ca18det in a AE86 corolla, 62mm turbo, evo 560cc ingectors, and 15psi for now.

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float_6969
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What's up with the turbo manifold? It looks like the stock manifold? I'll bet that screamer pipe makes things a bit more fun when the boost comes on, LOL

srt4monster
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yup modded stock manifold. it works for now tell i build myself a new one.

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float_6969
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How are you tuning?

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cbh148
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float_6969 wrote:cbh148, if the new ACT disk is the same size as the used SPEC disk, then they MAY be right. IDK if you've ever looked at a disk after it's been broken in, but a fair amount of material comes off during the break in procedure. My concern would be that after break in, the disk would be too thin, which would cause the pressure plate not to put enough pressure on the disk, which would cause it to slip.

I don't KNOW that this would happen, I'm just speculating. I'd hate to hear that you got it all together and then it slips and you have to take it back apart. Maybe call ACT?

I don't want to come across like I think SPEC is better than ACT btw. I think they're both reputable companies. I only have experience with SPEC, and so that's all I can really speak about.
Don't worry man, I appreciate the critique/2nd point of view.

I already have the pressure plate bolted on, however the transmission still isn't on (unless my friends have worked on it while I've been at school) so maybe I can compare disc thicknesses side-by-side to really get an idea.

Worth mentioning -- my friend with an SR20 just so happened use the same setup as me; he busted his SPEC stage 3 disc and replaced it with an ACT stage 4 unsprung disc, still using the SPEC pressure plate. He said he loved the setup.

I'm hoping that because I got the 6 puck disc instead of the 4, that maybe it will wear down slower/less which would help to ease any issues if it is indeed thinner than the SPEC disc. I'll let you know what ACT says.

srt4monster
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float_6969 wrote:How are you tuning?
im burning chips but i wanna get a stand alone.

boost_boy
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Be prepared to spend good bread, but they are worth it. I happen to like the SDS for the CA because it allows the user to eliminate alot of the stock ignition and fuel components as well as being a pretty staright-to-the-point engine managment system. Most others require use of the crank angle sensor and I'll pass on keeping that thing around. Maybe I'm just spoiled :biggrin: .

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float_6969
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Do you have a plot showing the AFR'S? From the look of the dyno plot at the higher boost level, either your afr's were wandering, or you were having some ignition breakup. How did the car car run?

srt4monster
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i was getting spark blow out because the plug were gapped at .42 so i dropped them down to .32 air/fuels to to 12 when it spools and drop down to 10.5 at redline. im trying to tune it now with a chip tuning and a piggy back.

and if i do get a standalone it will be a vipec V44.

silvios
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Car: 1989 Nissan Silvia CA18DET

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Well i have clocked up 1350kms on my CA.
Work is:

• Head sandblasted and cleaned
• block bored 40thou and honed
• Head machined
• block machined
• JE SRP forged pistons
• new piston rings
• new big and small end bearings
• new water pump
• new head bolts
• new Bosch timing belt kit
• new genuine Nissan oil pump
• Full durapro gasket kit
• new intake and exhaust and turbo gaskets

-STD ECU

I am running STD ECU and STD turbo as i bought a braided line kit for to put on a T25g, but they didnt fit, plus i didnt clock the turbo housing - so to get the car running i bolted the std turbo on.

I have just purchase an ARC side mount which i can install and then i will most likely boost the T25 to 12psi - 13psi MAX.

After that ill prob get a new fuel pump and O2 sensor (smart things first) then go new turbo (T28bb or even thinking GT2871), injectors(GTR injectors), and tune (nistune).

Hope to get around 200rwkw. Maybe more.

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float_6969
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srt4monster wrote:i was getting spark blow out because the plug were gapped at .42 so i dropped them down to .32 air/fuels to to 12 when it spools and drop down to 10.5 at redline. im trying to tune it now with a chip tuning and a piggy back.

and if i do get a standalone it will be a vipec V44.
The spark blowout is on stock coils though, right? I'll have to check out the vipec, I've never heard it.

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float_6969
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silvios wrote:Well i have clocked up 1350kms on my CA.
Work is:

• Head sandblasted and cleaned
• block bored 40thou and honed
• Head machined
• block machined
• JE SRP forged pistons
• new piston rings
• new big and small end bearings
• new water pump
• new head bolts
• new Bosch timing belt kit
• new genuine Nissan oil pump
• Full durapro gasket kit
• new intake and exhaust and turbo gaskets

-STD ECU

I am running STD ECU and STD turbo as i bought a braided line kit for to put on a T25g, but they didnt fit, plus i didnt clock the turbo housing - so to get the car running i bolted the std turbo on.

I have just purchase an ARC side mount which i can install and then i will most likely boost the T25 to 12psi - 13psi MAX.

After that ill prob get a new fuel pump and O2 sensor (smart things first) then go new turbo (T28bb or even thinking GT2871), injectors(GTR injectors), and tune (nistune).

Hope to get around 200rwkw. Maybe more.
Sounds like you've got your setup pretty well sorted out! Any particular reason you're sticking with a sidemount?

silvios
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Im going with the ARC side mount for ease of install reasons.

Also, im going for a stealth setup - prob around 200-220rwkw max.

That is plenty enough for the Street, the ARC SMIC should be good for that.

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float_6969
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Sounds like a fun setup! Pics?

srt4monster
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float_6969 wrote:
srt4monster wrote:i was getting spark blow out because the plug were gapped at .42 so i dropped them down to .32 air/fuels to to 12 when it spools and drop down to 10.5 at redline. im trying to tune it now with a chip tuning and a piggy back.

and if i do get a standalone it will be a vipec V44.
The spark blowout is on stock coils though, right? I'll have to check out the vipec, I've never heard it.
yes stock coils.

bentvalves
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my trunk is full of some pretty sweet junk.

Ca_Silvia
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2 years of trying to blow the motor finally paid off...


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