DEH 265 degreed and seems off

Jodell · #1 (**permalink**) 03-06-2008, 10:02 AM

I just picked up my 400 after having it rebuilt with a comp cams DEH 265 Part # 32-207-3. The shop degreed the cam and here are the numbers they got.

Intake: open 1 BTDC, .292 lobe lift, close 31 ABDC, 212 duration, 105 lobe center.

Exhaust: open 45 BBDC, .304 lobe lift, close 2 BTDC, 223 duration, 113.5 lobe center.

They advanced they cam to 4.25 deg.

This looks way off from what comp cams site shows and I am hoping to get some feedback from people who know more about degreeing cams than I do.

mark a. · #2 (**permalink**) 03-06-2008, 12:50 PM

If they were putting the cam in straight up & had to move the cam that far to get to the mfgr's specs something is wrong. It would be pretty much unheard of that the keyways, chain, and sprockets could be off that much.

Jodell · #3 (**permalink**) 03-06-2008, 03:42 PM

Talked to the shop again and found out they check at 0.05 and comp cams list valve open/close at 0.006. Was more than a little worried thinking the intake closed at 31deg versus the 58deg I was expecting.