CA18DET upgrade cam?

[PulsarDet]

I just was wondering wish stock cam would be the best for a ca18det ? Since I start to have low budget I can't afford to have some tomei or hks camset.

So here the choice, CA16De, CA18DE, or keep the CA18DET one !If some body could confirm thisSeem the ca16 would be the bestthen come the ca18de since has some 8.8mm liftand the ca18de has 7.5mm lift ?

Here is the mod list.T3-T4 Ar.63 Spearco intercooler550cc injector and AFRZ32 maf 3" ehausxtstand alone with moded S14 ecu.

Planing doing 400hp at flywheel.Does it possible on the turbo with flowchar at 400hp still in the 70% effiencie.

Thank's alot !

[boost_boy]

I just was wondering wish stock cam would be the best for a ca18det ? Since I start to have low budget I can't afford to have some tomei or hks camset.

So here the choice, CA16De, CA18DE, or keep the CA18DET one !If some body could confirm thisSeem the ca16 would be the bestthen come the ca18de since has some 8.8mm liftand the ca18de has 7.5mm lift ?

Here is the mod list.T3-T4 Ar.63 Spearco intercooler550cc injector and AFRZ32 maf 3" ehausxtstand alone with moded S14 ecu.

Planing doing 400hp at flywheel.Does it possible on the turbo with flowchar at 400hp still in the 70% effiencie.

Thank's alot !

Keep what you got! We don't wanna go down the DE series camshafts debate again. The stock CA18DET cams will support your 400fwhp, but your current fueling arrangements will not.

Dee

[biosehnsucht]

all CA18/CA16 intake cams are the same, and ditto exhaust, with a single exception: the hard to find version of the Sunny in europe w/ CA16DE WITHOUT pollution controls has a different intake cam part#, and REPORTEDLY has a more aggressive cam profile. However, actually getting one if you can't hop down to the local euro (if you're in europe) yard and pull one from one of these, is essentially impossible. and only worth it if you could get it for free, and install it yourself, its not going to make any massive gains.

No cheap options unfortunately to get any real power.

[PulsarDet]

Well I finally got some reseller in canada, and the has a very good price, about 700$ CND+tx for a set of cam's and Pulley, the only thing I am sure is about lift and duration since the offre 8.5mm to 8.8mm in lash type or 9.25mm to 10.25 to solid type ? What is the diff and wish might be the best to stay with the stock spring and retainer since I would like not to spend 1.5K only on the head.

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

[boost_boy]

Well I finally got some reseller in canada, and the has a very good price, about 700$ CND+tx for a set of cam's and Pulley, the only thing I am sure is about lift and duration since the offre 8.5mm to 8.8mm in lash type or 9.25mm to 10.25 to solid type ? What is the diff and wish might be the best to stay with the stock spring and retainer since I would like not to spend 1.5K only on the head.

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

They are referring to what type of lifter that you're using (ie lash or solid). The 8.5mm camshaft is excellent, but what is the duration. If you tell me 256 degree, I'll tell you to keep shopping.

Dee

[PulsarDet]

I know what is duration but I assume the best combo would be maybe 8.5mm or 8.8 with about 270 duration but the reel question was, with the hydrolic lifter with is the lash type I guest does 8.8mm of lifth would work with stock spring and retainer or the valve will float about 8k rpm ?

[boost_boy]

I know what is duration but I assume the best combo would be maybe 8.5mm or 8.8 with about 270 duration but the reel question was, with the hydrolic lifter with is the lash type I guest does 8.8mm of lifth would work with stock spring and retainer or the valve will float about 8k rpm ?

The stock springs will work, if they are not worn already.

Dee

[sideways danny]

all CA18/CA16 intake cams are the same, and ditto exhaust, with a single exception: the hard to find version of the Sunny in europe w/ CA16DE WITHOUT pollution controls has a different intake cam part#, and REPORTEDLY has a more aggressive cam profile. However, actually getting one if you can't hop down to the local euro (if you're in europe) yard and pull one from one of these, is essentially impossible. and only worth it if you could get it for free, and install it yourself, its not going to make any massive gains.

No cheap options unfortunately to get any real power.

sorry you're wrong about that. I've got a list of the specs for all the cams and the CA18DE is not the same as the DET. it's very similar to the 16de but slightly less agressive (1deg less advance)

I'll find the list and post it up

[sideways danny]

UK spec CA16DE....

Compression 10:1

In lift - 8.5mmEx lift - 8.5mmIn duration - 248Ex duration - 248In opens - 15 BTDCIn closes - 53 ABDCEx opens - 59 BBDCEx closes - 9 ATDC

UK spec CA18DE...

Compression 10.5:1

In lift - 8.5mmEx lift - 8.5mmIn duration - 248Ex duration - 248In opens - 16 BTDCIn closes - 52 ABDCEx opens - 50 BBDCEx closes - 18 ATDC

UK spec CA18DET...

Compression 8.5:1

In lift - 7.8mmEx lift - 8.5mmIn duration - 240Ex duration - 248In opens - 0 BTDCIn closes - 60 ABDCEx opens - 59 BBDCEx closes - 9 ATDC

I know it says UK spec but the jap and UK DET is the same cam.

there's no way an NA engine will use the same cam as a turbo as standard the overlap would be all wrong

[biosehnsucht]

I am telling you, all CAxxDE(T) cams EXCEPT for the non pollution control have the same part # (intake and exhaust differ, I mean all intake are same and all exhaust are same)

SAME PART # MEANS THEY ARE THE SAME. Unless of course, Nissan's own parts database is lying. And I have all FAST regions with the exception of Asia (I have Japan, but the rest of Asia is a region of its own).

So I can't say anything about the accuracy or not of those #'s you have but I find it unlikely that Nissan would specify replacying turbo cams with NA or vice-versa, and since they are all the same.. QED.

And I've never heard of a 10.x:1 CA stock. Thats so unbelievable for the CA.

I PERSONALLY researched this to death a year or so ago trying to find out where I could find the magical "wild" NA cam as an upgrade and found it was essentially impossible to source.

[sideways danny]

I know people that have them, I've built engines with them

[esetreceCA18DET]

actually i got a pair of ca16de cams from the used parts store here in peru and the cams are as the specs in the post above . the difference is just in one cam whicha has more lift and a little bit more duration. i dont know if the gain is noticeable but as soon as its installed and the intake cam timed right ill let you know, here hand labour is cheap so its worth trying, the worst that can happen is that it will perform the same