1. Jc cooper

    Jc cooper FBBO Gold Member FBBO Gold Member

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    Back in 68 I installed a crower monarch cam and lifters in a 67 gtx 440 stock rockers and push rods no problem and no noise good duration tans great , blueprint at home no problem,would scream , today my 440 has the best of everything a pro builder could put in it and it sounds like crap idling with valve train noise oh and I know about the modern grinding and the fast ramps but what about th
     
  2. wyrmrider

    wyrmrider Well-Known Member

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    are we missing something?
    Crower monach is pretty mild
    what now what rockers and springs
    did you degree it in?
    whats your cranking compression
    any idea what pistons and heads
    ie a low or high compresson 440?
    lots of things can make them run rough
    retarded, timing, too big, etc
     
  3. khryslerkid

    khryslerkid FBBO Gold Member FBBO Gold Member

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    I had a Crowler Monarch back in the day in a 383. IIRC 460 lift 280 duration.

    Is this a newly built engine? Did it run right before and now it's getting noisy?
     
  4. Lefty71

    Lefty71 FBBO Gold Member FBBO Gold Member

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    Like the rest of his post?? I dont really see a question here.
     
  5. miller

    miller Well-Known Member

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    68 was a long time ago. How many miles on it??? Gettin' wore out??
     
  6. Jc cooper

    Jc cooper FBBO Gold Member FBBO Gold Member

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    Unfortunately kept it a few years and sold it for the children’s needs , so now since 2016 I’m building another to enjoy , and just lack carpets and seat covers and will be complete, 440 has the best of everything and as a builder you know I’ve touched every part of car!
     
  7. IQ52

    IQ52 Well-Known Member

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    .......but what about th.......?

    Please humor us and describe what the "best of everything" is. It may help in discovering the problem with the "th"
     
  8. PRHeads

    PRHeads Well-Known Member

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    Aaahhhh yes...... the Monarch 280H.
    My first cam purchase..... 1981.
    I didn’t know anything about anything back then......But that was a nice little cam.

    I took it out a few years later and put in a Racer Brown ssh-44.
    Reused the 280-H in a re-ringed 400 years later.

    If the OP isn’t happy with the latest greatest fast rate lobes....... I’m sure Crower could still supply you with a Monarch.
    I think there were at least two..... the 280 like I had, and I think something like a 300 as well.
    The 280 was 224@.050.
     
  9. BSB67

    BSB67 FBBO Gold Member FBBO Gold Member

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    You don't want to use those crummy Chevy lobes. Sorry, couldn't resist.
     
  10. wyrmrider

    wyrmrider Well-Known Member

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    Sure you can get a Monarch or a Hauler
    but All the crower's I've used have been custom (including reverse rotation Corvair- be sure and you limit your distributor thrust- ask me how I know)
    but get a grip 191.06 actually in another place only 168 Power Beast
    NT/EXH -288 / 298 Dur @ .050” Lift: 214°/224° RR: 1.5/1.5 Gross Lift: .444”/.467” LSA: 112°
    or get the famous 204-214 in a Crower box "Torque Beast"
    INT/EXH - 278 / 288 Dur @ .050” Lift: 204°/214° RR: 1.5/1.5 Gross Lift: .422”/.444” LSA: 112° RPM: 1500 to 4250 Redline: 4750
    Crower has lots of great lobes but go custom
     
  11. PRHeads

    PRHeads Well-Known Member

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    I use ‘em all the time!!:thumbsup:
     
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