Had a look at the rocker arm geometry yesterday. Running an “other than stock” cam will probably mean you’ll have to adjust this. Either with shims or adjusting your push rod length, or maybe both. There is a lot of info available out there about why and how you do this that I won’t cover here, but the very very basics of it is you want your valve adjuster screw in line with the valve stem while the valve is at half lift. There are other things to consider, but that’s a very fundamental descript
1:03
Had a look at the rocker arm geometry yesterday. Running an “other than stock” cam will probably mean you’ll have to adjust this. Either with shims or adjusting your push rod length, or maybe both. There is a lot of info available out there about why and how you do this that I won’t cover here, but the very very basics of it is you want your valve adjuster screw in line with the valve stem while the valve is at half lift. There are other things to consider, but that’s a very fundamental descript
68.3K viewsMay 15, 2025
FacebookAnnie's VW
Just an update on rocker arm geometry. I think we are dialed in as close as I can get it with the tools I have available to me. Best I can calculate I am about 1.6° off. I’m giving myself about a 1° margin of error (😂😂) but that still puts me somewhere I’m happy with. • I used a .054” shim and also took about .020” off the rocker shaft pedestals. That seemed to do the trick. Reason I took some off the pedestal is I had to make my shim and I didn’t quite have the combinations needed for the rig
5:47
Just an update on rocker arm geometry. I think we are dialed in as close as I can get it with the tools I have available to me. Best I can calculate I am about 1.6° off. I’m giving myself about a 1° margin of error (😂😂) but that still puts me somewhere I’m happy with. • I used a .054” shim and also took about .020” off the rocker shaft pedestals. That seemed to do the trick. Reason I took some off the pedestal is I had to make my shim and I didn’t quite have the combinations needed for the rig
8.3K views1 year ago
FacebookAnnie's VW
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