Degreeing the cam

[The_Anachronist]

I installed a new 2.5 cam in my 2.25 petrol as part of the rebuild, and I want to degree it to make sure I have the sprocket in the best position.

Anybody have any experience doing this?

[terayon]

Unfornetly not, buuttt I am interested in what your thoughts on the 2.5 cam are... I've been thinking of making the same change.

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[HeadDamage]

It's been over 30 years since my petrol building rover days but the last motor I did used a 2.5 cam and it seemed to be really good. I think I used a dial indicator and magnetic base to set it up.

[The_Anachronist]

I have the dial indicator with mag base, the degree wheel and about 20 bad YouTube videos...
I have to verify the numbers for the 2.5 cam, make some bits like the pointer wire, the piston stop and a bushing to get the degree wheel centred, then I can spend a day confusing myself...

[The_Anachronist]

Unfornetly not, buuttt I am interested in what your thoughts on the 2.5 cam are... I've been thinking of making the same change.

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The 2.5 is supposed to move the torque and max hp lower in the rev range, which is what I am hoping for. I’m a long way from driving the thing so at this point I will settle for it running well...

[The_Anachronist]

Well, I took a run at degreeing it today. I’m not super confident in what I saw, but it seems to be close to the specs I found. It was, I think, 3 or 4 degrees advanced which I have read is a good thing so that it ends up being more correct as the timing chain stretches as it runs in.
Timing cover is on so one day months in the future I will find out if I have somehow screwed this up...