Does anyone know what Busch series cars run, sb2s?

I picked up a cam, bearings, retainers, and springs off of a Busch car just to have it. The cam is a lot bigger around than a typical sbc, but what I wouldnt it be nice to have roller cam bearings like these..

Edit: Also, does anyone know if you can somehow bore where the cam goes in, in a typical sbc. I dont know how much material there would be in that area

 

Yes, in one of my old car mags (can't remember which one) there was tech article about boring SBC cam bearing journals for roller bearings. BUT, I don't know if it was for the Busch type cams or not. Either way, it is a pretty involed process that the whole motor needs to be taken down to the bare block for.


Tom

 

Not to mention, those bearings were never meant for a street engine, they'd have to be able to last 100k miles to be considered "streetable".
Gotta remember that a race engine is only going to run 500-1000 miles before it is torn down and all moving parts replaced.

 

seems to me a long time ago stock sized roller cam bearings PNs and how to was posted here. still had to bore the block over sized but you could use a stock cam. at the time i thought it would be trick to move the cam upward, or offset bore the block for more rod clearance around the cam with a longer stroke engine. no idea if it'd work or not but it's something that "ought" to work. even .060 off set would help rod clearance.

 

anyone have a cam laying around in the garage they can go measure??? This one is 1 15/16" accross. I found the grind number on the end and was able to find it on Crower's website Cam Card


Part Number/Work Order Number E23622
Engine Application 350 CHEVROLET
Grind Number SPL 50MM JOURNALS

246/268 @.050
.537/.573 lift with 1.5 rockers, but its intresting that when designed they intended it to to run with 1.9 Intake and 1.8 Exhaust

 

nevermind, I found it. Apparently this is for a Chevy rocket block...

50mm

But this does say you can get roller bearings for (close) to normal cams also

 

http://www.compcams.com/catalog/334.html