Integral Cams Install

MSpeedFreak03

Member
:
2003 MSP
well i have some questions about the cam install, the shop i have my car at wants to charge me a shitload for the cam install! they say that im going to need new buckets lifters ( the piece that the cam rides on when it pushes on the spring) because the ones i have in there are not hydrolic buckets!

my cams are the stage 2.5 integral cams, they have the measuements for hot and cold install but the instrucions say that they are good with the stock valvetrain up to 8k RPM, if they are supposed to be used with the stock valvetrain that leeds me to believe that i dont need new bucket lifters!

if someone has any input on this it would be greatly appreciated!
 
You can keep the OEM buckets. They aren't lifters, as the cam actuates the valve directly through the bucket. You may need new buckets/shims for the valve lash to be correct with the new cams.
 
thats what i was thinking, new shims or new buckets but noone has installed this themselves i guess! the valve lash is what im worried about the shop seems to think that i need them!
 
I cant say for the stage 2.5 cams but with the stage 3 integral cams that i have on my car we had to have the casting marks milled out in the head for them to fit but if they do fit all you should have to do is check the valve lash and they should be good to go.
 
I cant say for the stage 2.5 cams but with the stage 3 integral cams that i have on my car we had to have the casting marks milled out in the head for them to fit but if they do fit all you should have to do is check the valve lash and they should be good to go.

I had to do the same with the 2.5 cams as well. I didn't actually follow through cause I didn't have money to take the head off to do so.
 
well then i shouldnt have them done because it cost me alot of bread to do everything on the build so far and the cams is kinda the last thing to do on my list, i guess i have a 750 paperweight for now.... WTF i hate this car
 
i thought that was normal when u add cams with more aggressive lift, i put some 272 degree cams on my dads gti and we had to machine quite a bit out of the head so the lobes would clear
 
well then i shouldnt have them done because it cost me alot of bread to do everything on the build so far and the cams is kinda the last thing to do on my list, i guess i have a 750 paperweight for now.... WTF i hate this car

you hate your car due to aftermarket crap thats not drop in ready...(dark)
 
I cant say for the stage 2.5 cams but with the stage 3 integral cams that i have on my car we had to have the casting marks milled out in the head for them to fit but if they do fit all you should have to do is check the valve lash and they should be good to go.

What casting marks are we talking about? The ones on the camshafts?
 
What casting marks are we talking about? The ones on the camshafts?

The lobes on the cams were hitting the inside of the head.I had to have the machine shop mill out some material in the head so the cam itself could spin freely.
 
The lobes on the cams were hitting the inside of the head.I had to have the machine shop mill out some material in the head so the cam itself could spin freely.

Gotcha. The integral lobes are really that big? Were they designed to be bigger?
 
The 2's I have look twice as high as stock already... I can't imagine how tall the 3's are!

All we had to do was adjust the clearances to the specs that came with the cams... nothing else.
 
The 2's I have look twice as high as stock already... I can't imagine how tall the 3's are!

All we had to do was adjust the clearances to the specs that came with the cams... nothing else.

So you only had to shim, no milling or machining?
 
They milled some of them just a tiny bit. Just to meet the clearances specified... but the cams would have fit nonetheless. No grinding needed to get the Stage 2s under the valve cover.
 

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