Original Message
RE: I'm using the HMV 278-2NC in my 390.
By Gerry Proctor - 05/29/2003 10:46:33 AM; IP 207.133.188.254
Similar combination...Edelbrock heads, RPM intake, headers...

The 278-2 is a bit larger in lift and duration than your 272-2 selection. My idle is fairly smooth, vacuum is 13" hg, power is soft until around 3k rpm and then "hold on." Pulls hard to the rev limiter at 6k rpm. The wide lobe centers really favor the higher rpm breathing characteristics of the Edelbrock heads and my 3.89 gear. Whether you'll be happy with that cam depends on how you use the car and what your rear ratio is.

The lobe separation angles have a lot to do with how a cam will work for you. I think you're very safe with that selection. It's a fairly mild grind with good street manners. It doesn't have the punch of a cam with 110 degree or less separation but you get good idle and vacuum. I would call it a stealth cam.
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Collapse <a href=../ForumFE/reply.aspx?ID=17340&Reply=17340><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor17340" onclick="return false;">390 cam Selection</a>&nbsp;-- <font color=#0000ff>Mike Soukup, <i>05/28/2003</i></font><script type="text/javascript">
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 390 cam Selection -- Mike Soukup, 05/28/2003
 I think it is a good choice. -- Royce Peterson, 05/28/2003
Collapse <a href=../ForumFE/reply.aspx?ID=17346&Reply=17340><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor17346" onclick="return false;">RE: 390 cam Selection</a>&nbsp;-- <font color=#0000ff>390ranger, <i>05/28/2003</i></font><script type="text/javascript">
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 RE: 390 cam Selection -- 390ranger, 05/28/2003
 Lobe center is 114. It's got lots of vacuum. N/M -- Royce Peterson, 05/29/2003
RE: I'm using the HMV 278-2NC in my 390. -- Gerry Proctor, 05/29/2003
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