[bug71]

Yes mate it's been a fun journey this engine build 🤣🤣 if all goes to plan I should be splitting the case tomorrow

 

[bug71]

Well engine is split and it was all 8 followers that failed, but why?
Is it as simple as using an Engle cam and stock followers?
Here's some photos, enjoy

 

[bug71]

I will be throwing the cam and all bearings and will be replacing with new but not sure if the crank is OK. The only damage to the crank is where the end bearing goes after the timing gear. Does this need sorting?

 

[dc66]

That explains the noise..

 

[bug71]

Yep, at least we now know what the ticking/ tapping nosie was 🤣🤣
Now the engines apart all I want to do is send the case and heads of to the machine shop and make a bigger engine 🤣🤣

 

[dc66]

Hmm, I think I'd find out what you did wrong first

 

[bug71]

🤣🤣🤣 I agree. The thing is I don't know what I did wrong. I used the assembly lube on everything and looking back I do believe that I had set everything up correctly and the first time I got the massive valve clearances which made me think that I had set them with the engine 180⁰ out was the first sign of the followers breaking up.

I'm wondering if it was just because I used an engle cam with stock lifters?

 

[Bada Ben]

It does look like a quality issue with those lifters, they've been eaten, but breaking the cam in with the rocker to valve clearances incorrectly set won't have helped.
Did you make sure there was clearance between the faces of the lifters and the cam lobes before bolting-up the case ?

 

[bug71]

I didn't check for the clearance between the cam lobe and lifters before closing the case but I did do that check today and there was loads of clearance. I don't believe I did dobthe engine break in run with the wrong clearance now, because the engine just sound to good and nothing like it did the other day.
I need to figure out if I can reuse the crankshaft or if I need to buy a new one. All the big end journals look just fine and so do all the mains except one at the end. Which has some very small grooves on it

 

[GARRICK.CLARK]

Sorry, but it's heritage who said using stock lifters with that cam would be OK when it isn't. Try find a scat c25 and matching scat lifters for the next build.

 

[Bada Ben]

I've re-used cranks with light marks on that pulley end crank journal, and they've been fine (in stock spec engines).
If in doubt, and the crank is stock, you could get it reground. If you are getting the case align bored it will need oversize main bearings anyway, and they are the same price for stock or reground crank.

 

[DK Bug]

You can polish the crankshaft journals to a mirror finish yourself.
There are loads of guides on you tube, on how it is done.

Regarding the cam – lifters.
I have just taken two engines apart and the lifters in both were worn and pitted.
If you have used the old lifters, and they have already been worn. A higher lift cam and stiffer springs would probably have been a issue, and could have resulted in what you have experienced.

 

[bug71]

Sorry, but it's heritage who said using stock lifters with that cam would be OK when it isn't. Try find a scat c25 and matching scat lifters for the next build.

Yes mate VWHERITAGE said it would be fine to use stock lifters with the engle 110 cam.
I have a brand new scat C35 sitting right in front of me. Very close in spec to the 110

 

[bug71]

I've re-used cranks with light marks on that pulley end crank journal, and they've been fine (in stock spec engines).
If in doubt, and the crank is stock, you could get it reground. If you are getting the case align bored it will need oversize main bearings anyway, and they are the same price for stock or reground crank.

The case has only just been line bored and the crank was done at the same time.
The case is 0.5mm over size, the crank is 0.5mm under size and the thrust was cut by 1mm

 

[bug71]

You can polish the crankshaft journals to a mirror finish yourself.
There are loads of guides on you tube, on how it is done.

Regarding the cam – lifters.
I have just taken two engines apart and the lifters in both were worn and pitted.
If you have used the old lifters, and they have already been worn. A higher lift cam and stiffer springs would probably have been a issue, and could have resulted in what you have experienced.

OK looking online now to see what to do. I have learnt my lesson now and will never reuse stock lifters again on a performance cam

 

[farmer rob]

OK looking online now to see what to do. I have learnt my lesson now and will never reuse old lifters again

 

[farmer rob]

I always use Millers competition running in oil to do the cam-burn, it's high in zinc to complete the hardening process. Not had a problem yet but there is always the first time!

 

[bug71]

I always use Millers competition running in oil to do the cam-burn, it's high in zinc to complete the hardening process. Not had a problem yet but there is always the first time!

This one

 

[Bada Ben]

Yes mate VWHERITAGE said it would be fine to use stock lifters with the engle 110 cam.

So were they New stock lifters or the old original lifters ?

 

[Bada Ben]

The case has only just been line bored and the crank was done at the same time.
The case is 0.5mm over size, the crank is 0.5mm under size and the thrust was cut by 1mm

Ok, I'd do as DK Bug said and polish the crank journals