diff between ca18de head and ca18det head jdm spec

Post by **ke70 ca18det** » Wed Oct 07, 2009 9:40 am

can anyone tell whts the diff cuz .. i am currently using det motor in my car....

a friend of mine gifted me ca18de head jdm spec complete with cams ,valves and spring oems

Post by **boost_boy** » Wed Oct 07, 2009 10:23 am

ke70 ca18det wrote:can anyone tell whts the diff cuz .. i am currently using det motor in my car....

a friend of mine gifted me ca18de head jdm spec complete with cams ,valves and spring oems

There are no casting differences between the two heads. CA18DEs usually have emissions garbage attached to them whereas the CA18DETs does not. So the heads are basically the same.

Dee

Post by **mazikowski** » Wed Oct 07, 2009 10:31 am

Is there a difference between the JDM and USDM CA18DE heads?

Post by **meminto** » Wed Oct 07, 2009 11:04 am

Camshaft profiles are different.

Post by **mazikowski** » Wed Oct 07, 2009 1:46 pm

I was thinking more along the lines of the casting of the head itself (without cams/other attached bits taken into consideration). Are you saying the castings are the same?

Post by **boost_boy** » Wed Oct 07, 2009 2:21 pm

mazikowski wrote:I was thinking more along the lines of the casting of the head itself (without cams/other attached bits taken into consideration). Are you saying the castings are the same?

Castings are the same. There's no difference between the JDM and USDM CA heads. I'm talking about the head itself and not the camshafts or other related components; though I'm sure they're pretty much the same as well.

Dee

Post by **meminto** » Wed Oct 07, 2009 2:52 pm

In that case, agreed castings are the same...

Post by **mbmbmb23** » Wed Oct 07, 2009 6:17 pm

I think there's a few different tapped holes between the two.

Post by **Fleemer** » Wed Oct 07, 2009 7:48 pm

I heard that canadian ca18de pulsars where jdm spec.. but who knows.

I can go measure the profile of the cams in my spare head later.

Post by **ke70 ca18det** » Thu Oct 08, 2009 6:04 am

is there any difference in intake ports of jdm spec ....will ca18de cams work good on det head specially intake cam

Post by **meminto** » Thu Oct 08, 2009 11:38 pm

There is no difference in port sizes between the two... I am happy to measure the cross sectional area on both as a have both a de and det head in my possession...

The intake cam between de and det is the same profile spec..

The exhaust cam is different..

DE

Ex opens - 59 BBDCEx closes - 9 ATDCEx center lobe angle - 115deg

DET

Ex opens - 64 BBDCEx closes - 4 ATDCEx center lobe angle - 120deg

Most people put either exhaust cam on the inlet side, you need a set of adjustable cam gears to dial in the cam itself to make the best use of it...

Post by **ke70 ca18det** » Fri Oct 09, 2009 9:07 am

its better to put 260 cams tomei lash type with its tomei gears and valve spring .............can it be done without headwork cuz here we dont have option

Post by **meminto** » Fri Oct 09, 2009 12:02 pm

There are a few threads in the tech section about tomei cams, have a read through them as there is some good info around.

Better entirely depends on your other modifications.

The cams will be a drop in replacement, to make the most of them you will need to dial them in.

No headwork is required..

diff between ca18de head and ca18det head jdm spec

diff between ca18de head and ca18det head jdm spec

Re: diff between ca18de head and ca18det head jdm spec (ke70 ca18det)

Re: diff between ca18de head and ca18det head jdm spec (boost_boy)

Re: (meminto)

Re: (mazikowski)

Re: (mbmbmb23)

Re: (Fleemer)

Re: (ke70 ca18det)

Re: (meminto)

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