M54b30 intake cam centerline

[s50b30]

Ok. Hard to compare the two then.
Btw is the 12.5 degree vanos advance in crank or cam degrees?
Just wondering what lift 0.25 will give with vanos advanced.

[someguy2800]

It is 12.5 degrees of cam advance, so 25 crankshaft degrees. The splines on the front of the m54b30 cam is longer than the one on an m50 cam so the total advance will be limited unless you shorten the splines.

[s50b30]

I took it down to the torx bolt in a lathe. I forgot to measure the old cam spline, so I have nothing to compare with.

[jakermac]

The commonly accepted amount needing removed is 5mm.

[s50b30]

Well, you cant really strip the head of the bolt, so I took as much as I could.

[haCR]

Hello I´m trying to set my camshafts (both 240deg, 9.7mm lift) on m50b28 non vanos for turbo (hx35). But i don´t know how to properly time them.

I would like to have faster spool and more mid range torgue, and good power curve to the rev limiter (7500rpm). The engine has 10.5:1 compression, running on ethanol e85.

Last week I spent on the internet finding some numbers. I´ve heard that the best way is advance both cams and lower the overlap. Is that true ? Could you advice me some numbers ?

Next problem is that i dont know how to properly time the cams. I have instaled degree wheel on the crankshaft and the gauge for measuring position of the cams. I think there is a problem with hydraulic lifters, i´m not able to find surely when the IV and EV opens, when closes. Everytime i recieve slightly different numbers or i cant get on the duration number 240°, but only around 200°. I´m using 0.05" technique.

I think i will try easier lobe centerline method. Can somebody tell me some numbers to set?
Intake camshaft lobe centerline
Exhaust camshaft lobe centerline
Lobe separation angle
IVO, IVC, EVO, EVC

Thank you for help

[Matuh]

Hello I´m trying to set my camshafts (both 240deg, 9.7mm lift) on m50b28 non vanos for turbo (hx35). But i don´t know how to properly time them.

I would like to have faster spool and more mid range torgue, and good power curve to the rev limiter (7500rpm). The engine has 10.5:1 compression, running on ethanol e85.

Last week I spent on the internet finding some numbers. I´ve heard that the best way is advance both cams and lower the overlap. Is that true ? Could you advice me some numbers ?

Next problem is that i dont know how to properly time the cams. I have instaled degree wheel on the crankshaft and the gauge for measuring position of the cams. I think there is a problem with hydraulic lifters, i´m not able to find surely when the IV and EV opens, when closes. Everytime i recieve slightly different numbers or i cant get on the duration number 240°, but only around 200°. I´m using 0.05" technique.

I think i will try easier lobe centerline method. Can somebody tell me some numbers to set?
Intake camshaft lobe centerline
Exhaust camshaft lobe centerline
Lobe separation angle
IVO, IVC, EVO, EVC

Thank you for help

Around 1mm open both cams in TDC. Less open Intake, means power curve Will Come more torqy downlow.
No need to rev anywhere over 6800rpm, cause cams Are stil so lame, they basicly dont breathe over 6500revs