Calling All Cam Experts

[Boost_Addict_88]

Ok, so back in late December I had a buddy help me drop a motor into my 1G to get him running till I got a new motor built. After getting everything legit, we fired him up and at the motor everything sounded great, but at the exhaust there seemed to be a lumpy idle like there were cams underhood. As far as my buddy and I knew, the motor was completly stock. On my way home, I boosted the Turbo and it seemed to spool faster then usual (Small 16G). Now that I almost have all of the parts to piece my motor together, I would like to use these cams, but unfortunately I do not know what brand or "size" they are. I believe they are 272's though.

I pulled the valve cover off today and here's what I found.

The numbers 70 on my intake and 15 on exhaust.

On my stock cams they read "8" and "2" on both cams and have the letter "D" on the trans side and "F" with 4 dots to the right on the timing side. My exhaust side also has "1" and "2" (under "1") on the trans side.

If anyone can help, it would be much appreciated. Thanks.

 

[dsmdeliveryboy]

Sounds like the stock cams to me

 

[rstchris]

There is a procedure to measure duration while in the engine, it's how you degree cams in. The easy way to tell if they are stock cams is to first do a compression check to make sure the engine is "good" then see how much vaccum you pull at idle. Stock depending on elevation should be 17+ in, My Webb 546/547's idle about 6 in. Most see more vaccum than me though.