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Replacement Shortblock doesn't have valve reliefs... advise needed!!!

  • Thread starter Thread starter iWannaStang
  • Start date Start date Dec 24, 2003
I

iWannaStang

Founding Member
Feb 11, 2001
229
0
0
Middleburg / O.P. Florida
Dec 24, 2003
#1
  • Dec 24, 2003
  • #1
Hey all, I bought a Non-H.O. engine to replace my worn out 247,000 mile shortblock. I am putting a new set of E7's onto my new shortblock instead of retaining the slack-ass E5's.
Its a Lincoln roller 5.0. I know it doesn't have the H.O. camshaft, but I have one laying around and thought about putting that in there.
One problem I run into is, is this camshaft going to be too big for the flat tops'? They have no valve reliefs and Im wondering if I float my valves (5200RPMs and up, right?) will they hit???

Whats the biggest camshaft that I can run with flat tops and E7's??

Thanks, and Merry Christmas everyone!

~Joey
 

Michael Yount

Mustang Master
Apr 10, 2002
9,039
6
79
Charlotte, NC
Dec 24, 2003
#2
  • Dec 24, 2003
  • #2
You'll have to measure Joey - what worked in someone else's isn't going to help you know for sure with yours. I'd be surprised if the HO cam wouldn't clear - but measuring is the only way to know if you've got the minimum clearance. .080" intake; .100" exhaust Here's a site with more info about an easy way to measure:

http://www.geocities.com/jjonibones/PVC.html

Have a great holiday yourself!!
 
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