GeneralBurrito
Member
- Joined
- Nov 22, 2017
- Location
- California
Agreed, stock cam for stock cam is typically pretty close out of the box.
Yeah I only had to swap 1 shim when swapping to a B cam.
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Agreed, stock cam for stock cam is typically pretty close out of the box.
530 out performs the 531(depending on level of prep, anyway) with camshafts under 12mm.
Read here: http://forums.turbobricks.com/showthread.php?t=232036
Also, what's your experience with lash caps under the bucket and shims over the bucket? I'm sure the camshaft design(ENEM C2 of sorts) has a lot to do with it. See here: http://forums.turbobricks.com/showpost.php?p=6012446&postcount=118
I just re-read the whole thread and am also bummed that Jonathan never got around to actually posting his info. In addition to that let down, how much of this applies when you're talking a NON-modified 530 vs a non-modified 531? Obviously, the port volume differences still apply, but if you DON'T modify your 530 head, is it still better? Probably.
Also, what's your experience with lash caps under the bucket and shims over the bucket? I'm sure the camshaft design(ENEM C2 of sorts) has a lot to do with it. See here: http://forums.turbobricks.com/showpost.php?p=6012446&postcount=118
I do have one more question for you. I have a camshaft available to me that has a smaller base circle than stock by about 2mm that I am considering running. In your experience, is it safe to run lash caps and shims in the buckets at the same time? The camshaft’s profile is similar to your R33-264-14.0 from the specifications, so it’s pretty aggressive. I do have valve springs set up for 14mm of lift with stainless steel 46/38mm valves, but I am still cautious to run both shims and lash caps at the same time. The last engine this camshaft was in blew a rod through the block and I couldn’t find one of the lash caps after disassembly.
Am I worried about nothing and it’s common for people to run both, or should I set the clearances a different way and just use shims or lash caps to set the clearance?
I do not feel it is a problem to use lash caps, the ones I sell sits 2.5 mm down on the valve stem, so for those to come loose it need to be valve float with at least 2.5 mm, if that is happening it would just be a matter of time for something else to brake if there are no lash caps to come loose. The engines that I hear of with these kind of problems is if there are very aggressive, engine speed limiter or launch controls.