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V8 Cam for Little Demon

Question of timing!

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Carl Martin 129/03/2022 11:45:06
2 forum posts

Hi,

Firstly, let me confess I'm super new to this. For me second project I've decided to have a go at the little Demon, I know its a crazy second project.

My question to wise members of this forum is, when looking at the cam of inlet value 6 and 7 they look identical. Given none of the other inlet valves are identically timed does anyone know why this is the case?

Emgee29/03/2022 16:31:59
2610 forum posts
312 photos

Hi Carl

Perhaps it's because the cylinders served by these valves are on different banks, typically 1 bank will have cylinders 1,3,5 & 7 and the other cylinders 2,4,6,8
The valve timings will depend on cylinder firing order.

Emgee

mick29/03/2022 17:02:21
421 forum posts
49 photos

Not the best of photo's but here is the finished cam shaft and the two cams lying in the same directiondemon cam.jpg. I elected to fabricate it rather that go the turning fixture route. If you have any questions about the build email Steve Huck his address is with the drawings, he's very approachable.

Carl Martin 129/03/2022 21:19:26
2 forum posts
Posted by mick on 29/03/2022 17:02:21:

Not the best of photo's but here is the finished cam shaft and the two cams lying in the same directiondemon cam.jpg. I elected to fabricate it rather that go the turning fixture route. If you have any questions about the build email Steve Huck his address is with the drawings, he's very approachable.

Thank you Mick, nice work btw

noel shelley29/03/2022 22:32:11
2308 forum posts
33 photos

Cylinder numbering on cummins V8s is 1,2,3,4 on the right bank, 5,6,7,8 on the left bank ! Noel

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