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'94 VX
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Discussion Starter #1
What do i have to watch out for when switching from OBD1 cam to a OBD2 one in a OBD1 Engine?
Do i have to use an OBD2 dis with OBD1 internals and an ajustable camgear?

And i measured both cams D15z1 and D15z6 and these are the results:



first picture is view from the distributor side

Position camgear key to distributor key:

D15z1 = 16°30'
D15z6 = 9°

Difference = 7°30'

Overlap of both cams is 69°
lobeseperation of both cams is 111°

distributor grove widenes is 4,13mm / 0.1625'' at both cams

both have the same intake lift of 4,93mm / 0.194''
the exhaust side is different D15z1 = 3,41mm / 0.134'' D15z6 = 4,19mm / 0.165''

What do you think will i have some advantage of using the D15z6 cam in my setup and how can i kompensate the angla differences?
 

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d15z6? I you are running a z1 dont you have 2 rockers? Dont the d16z6 have 3?

Confused.
 

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Poop Sock
wrx & slut rex
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3,798 Posts
What do i have to watch out for when switching from OBD1 cam to a OBD2 one in a OBD1 Engine?
Do i have to use an OBD2 dis with OBD1 internals and an ajustable camgear?

And i measured both cams D15z1 and D15z6 and these are the results:



first picture is view from the distributor side

Position camgear key to distributor key:

D15z1 = 16°30'
D15z6 = 9°

Difference = 7°30'

Overlap of both cams is 69°
lobeseperation of both cams is 111°

distributor grove widenes is 4,13mm / 0.1625'' at both cams

both have the same intake lift of 4,93mm / 0.194''
the exhaust side is different D15z1 = 3,41mm / 0.134'' D15z6 = 4,19mm / 0.165''

What do you think will i have some advantage of using the D15z6 cam in my setup and how can i kompensate the angla differences?
what makes you want to go obd2 in the first place?
d15z6? I you are running a z1 dont you have 2 rockers? Dont the d16z6 have 3?

Confused.
two rockers and in the middle is one vtec rocker.
 

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