ohhhh gotta love the silvia!

General Chat

Q:

Does anyone else find the Silvia front-end conversion for the 240sx DAMN SEXY!!!!
I'm thinking of getting a cheap S13 and buying a Silvia conversion kit. Anyone know where I could acquire one?
Beautiful is a UNDERSTANDMENT!!
89'300zx-Carputer,Black,17's,digital,5spd,My Baby:D
90' TTZ!-UR Pully,seri2 PTU, R34 Brakes,HKS dual's,JW Intake&POP,PRofec B Spec2,Tokyo Rad,etc.
92' Civic- B16,Turbo,StandAlone FS,Programed,All the go!
95' Mitsu Turbo AWD,T3/4 CONV.**12 SEC CAR!!
A:

that does look pretty good...
A:

Does look good, but I gotta say, I am tired of seeing Triple projectors, with the sylvia front end with SR's. MAN, gotta be SOME diversaty doesnt there? Cool, but just a bit too many around to stand out.
Lots of Z cars, 1970's-1983's.
1977, Megasquirt, 12.8@ 105, 1.70 60 Foot, 2940 LBS. Blake Machine Co, Phx, AZ http://bandmzcars.com http://blakemachineprojects.com http://www.zselect.com
A:

Yeah the 240sx's are sweet, looks similar, like mine big bunches.
82 zxt 5-spd, oil cooler!
96 240sxes
78/81 jeep j-20
A:

there is one here with the conversion...sick lookin car.
A:

Yep, I really liked the REAL, RHD Silvia that I had when I was stationed in Okinawa. I brought the headlights, corner lights, middle piece and headlight supports back with me (had to donate the rest to the junkyard because the Japanese inspection was due and I was leaving) and sold all of it for $200.
God must love stupid people, he made SOOOOO many of them!
A:

Come spring I'm gonna be looking for a cheap 240SX, I'd like to do that conversion eventualy. My cousin has an S13 coupe and he says he's gonna do the complete Silvia conversion, but he's also fully of crap.
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Justin T
72 240Z L28, 5-speed
77 280Z 5-speed (t-boned 8-25-04)
80 280ZX automatic(retired)
A:

are you drunk?!
the S13 silvia looks NOTHING like a Maxima..
F54/P90a w Megasquirt and a Holset Hy35W
3" hand made exhuast, Large NPR intercooler, big injectors, Tokico Illuminas, Arizona Z Springs, BIG sway bars, Innovate Wideband
www.putfile.com/proxlamus
A:

I love the Sylvia conversion, I really don't understand why they didn't use that here in the first place! It updates the look of the car by about ten years. First time I saw a 240sx with that, I thought it was a new model that was coming out.
'73 Turbo, not much stock. Sold now... :-(
A:

It's Silvia, not Sylvia....sorry, I hate it when people spell it with a "Y". I would really like my girlfriend to do a "Sil-80" with her 240sx fastback, but she plans on doing a straight 180sx conversion (minus the RHD), with the SR, and no body-kit. I'm painting it later on a dark metallic red w/ black top (2-tone), and installing a carbon "lip-kit", carbon upper rear window spoiler, and carbon deck-lid lip spoiler. It will be setup for drifting, and have 17 inch wheels, black with a polished lip.
______________________________________
Kyle R.
4/1987 Turbo 300ZX


A:

Oh drrr, I knew that. Good call.
'73 Turbo, not much stock. Sold now... :-(
A:

meh, forget the SR, go KAT. more displacement, better parts availability and no need to remove the engine already inn it!!!
I would not do the sil-80, I really dont like the silvia front end on the hatch, strictly for coupes!!!! I would look into some baer non-pop up headlights for the coupe. makes them look reeeeeeeeeeaaaaaaaaaal purdy.
McAdam
1980 280zx with a mildly ported N47 maxima head, 60mm TB, -C- stamp 256 degree camshaft, and a 2.5inch mandrel bent exhaust. yeah, its quick, and yeah, its a 2+2. NOW with MSandS_E power!
A:

There is a 2.4L stroker kit for the SR if you really are worried about displacement, but my bro's SR powered '95 240sx is pushing 414 RWHP on a stock block and internals. The KA has many downfalls...it is an iron block, therefore heavier, and the heads and rear main seals tend to spring oil leaks rather quickly, and it is a truck motor, so good luck making a rev. happy drifter....
______________________________________
Kyle R.
4/1987 Turbo 300ZX


A:

And that just looks bad a$$.....
______________________________________
Kyle R.
4/1987 Turbo 300ZX


A:

I prefer the Onevia myself. Seems more streamlined and naturally flowing.
Another advantage of the Silvia conversion, though, is you can save about 20 lbs. off the pop-up setup.
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Pete1978z: "It's not that I think stupidity should be punishable by death, I just think we should take the warning labels off of everything and let the problem take care of itself."
Post Edited (Nov 28, 7:25pm)
A:

I have a '91 and a '95 240SX. Silvia front end looks OK, but none of these cars can be considered "beautiful", imho. The first one in Tony's post above comes close, though!
The SR20 weighs about the same as a KA24, and doesn't rev any higher. KA is a very good motor, just because it was put in a truck doesn't mean it's a boat anchor.
Looking forward to my pending KA24DET project. (feel free to send money...)
A:

"so good luck making a rev. happy drifter...."
If you want a rev happy engine, the CA18DET outrevs the SR and KA. It has a completely square bore/stroke. It is also an iron block but it weighs about the same as an SR. You might get a bit more HP out of the SR but the CA is pretty much indestructible. Plus you can find the CAs for less than $1500 (including trans and harness, etc).
Anyone who thinks this engine might be weak, has never ridden in or driven an S13 powered by one.
God must love stupid people, he made SOOOOO many of them!
A:

Quote:
Anyone who thinks this engine might be weak, has never ridden in or driven an S13 powered by one.

I have and it seemed a good bit more tame than SR20'd ones. It's not "weak" per se, but I'm still die-hard on the SR20.
-----
Pete1978z: "It's not that I think stupidity should be punishable by death, I just think we should take the warning labels off of everything and let the problem take care of itself."
A:

Z1,
What do you mean by tame? I really like the SR20 as well but when I was stationed in Oki, one of my friends had a Silvia with a CA18DET in it and as soon as the turbo spooled up, we were gone. It is essentially an RB26 with two cylinders cut off. It also has an intricate flow design in the head and has a timing belt (rather than the SR's chain) which allows it to rev more smoothly. The SR, while ultimately being able to handle more collective HP, with its aluminum block, is a bit more delicate than the CA.
Before I sold my 90 S13 hatchback here in the states, the CA was what I was going to put in it.
Plus, with everyone and their mother doing an SR or KA-T setup, the CA is a nice little alternative to the mainstream. I think the CA would be AWESOME in a 510.
God must love stupid people, he made SOOOOO many of them!
A:

Let's see, my brother's SR redlines at just above 8 grand (on stock internals...), and the local speed shop has a fully built KA that redlines a little over 7 grand......hmmmmm
______________________________________
Kyle R.
4/1987 Turbo 300ZX


A:

In the S13, the KA motor had a 6900 rpm redline, and the SR20DET had a 7500, so I goofed earlier when I said they had the same redline! Of course, either could be revved higher than Nissan's limit I'm sure. SURELY a "fully built" KA should be capable of ~7400 at least.
For what I'm sorta planning for my S14 (~280 or so rwhp), I'm thinking I'd rather turbo the KA and run less boost than would be required of the SR20DET to get the same power.
But I think both are great motors, and if an SR20dET landed in my lap I'd have zero qualms about dropping it in the 240SX. Just in case anybody's got one they need to let go fer cheap:)
A:

Yea, I picked up a 89 Coupe last week. Going to do the S13 front end conversion and also a nice turbo'd KA. Also going to be RHD once I get all the parts.
'76 280Z
'74 260Z
A:

And having a high redline helps you do what? Its power you want man, rot revolutions!
'73 Turbo, not much stock. Sold now... :-(
A:

It the additional power at those higher revolutions that is desirable....
______________________________________
Kyle R.
4/1987 Turbo 300ZX


A:

clutchman,
go ask an F1 mechanic that question. those engines don't spin at 18,000+ rpms just to make noise.
God must love stupid people, he made SOOOOO many of them!
A:

Power is a product of displacement and revs.
higher rpm => more power potential
BUT, the SR's +~10% increased rev potential doesn't match the KA's +20% displacement.
BUT, the SR has the advantage of already being available WITH the turbo! On a stock bottom-end, the SR20DET certainly has more power potential than a turbo'd KA24DE.
BUT, the KA has the advantage of already sitting in US-market 240SX's, with power-steering and AC and other ancillaries in place.
All depends on yer goals and priorities. I figure my best bet to make ~280rwhp with as little boost as possible is to turbo the KA.
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