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So I am still putting together our 454 put the cam in and wondering what holds that in, it is out of a 84 truck 4 bolt main. I maybe lost the part that holds it in or it was never their. I bagged and tagged everything but cannot seem to find anything that holds that in. Thanks.
Are you reffering to a cam plate/retainer possibly? Your engine just uses the timing chain to retain it in place. If you have never done one of these before, I suggest using some GM loctite on the bolts, following the destructions on the bottle.
Slighty more of a cam nothin fancy, and I am going to put the loctite on these. Just cant believe that nothin holds that in. By the way havent built a motor like this before. Did lots of hondas and acuras teaching my kids but I havent done anything this big since my GTO about 20 yrs. ago. I still have that after 26 years.
You can't see it... but there is a slight angle on the camshaft lobes on flat-tappet cams. When the engine is started the lifters actually keep the cam from sliding forward. The timing chain keeps it in place as well. When going roller cam... there is a thrust button that you need to buy, that keeps the cam from walking because on roller cams there is no angle on the lobes.
Well I am installing the cover now with luck I hope to be installing the motor tomorrow. Just got a bunch of new harware for it, wow thats pricey.