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383 build need to use adjustable rockers #2486721
04/23/18 08:14 AM
04/23/18 08:14 AM
Joined: Oct 2003
Posts: 1,173
Woodbridge
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Tommy The Chryco Offline OP
super stock
Tommy The Chryco  Offline OP
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Woodbridge
But i want to keep the stock look. Any suggestions for what rockers i should purchase.


Fight the Good Fight- Elastomeric Bumpers and The Better "Shaker kits"
Re: 383 build need to use adjustable rockers [Re: Tommy The Chryco] #2486764
04/23/18 12:18 PM
04/23/18 12:18 PM
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Posts: 89
sweden
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carter Offline
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sweden
Crane or Isky mek rocker fit under a stock valvecover.

Last edited by carter; 04/23/18 12:20 PM.
Re: 383 build need to use adjustable rockers [Re: Tommy The Chryco] #2486837
04/23/18 02:36 PM
04/23/18 02:36 PM
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Bend,OR USA
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Cab_Burge Offline
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Bend,OR USA
Ductile iron rockers as already mentioned, you may need to dimple, bend or put holes in the baffles to clear them depending on which cam and lift scope
You can also double up a set of the thicker after market valve cover gaskets to clear them also, sometimes that works but not always scope shruggy


Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
Re: 383 build need to use adjustable rockers [Re: Tommy The Chryco] #2486918
04/23/18 06:12 PM
04/23/18 06:12 PM
Joined: Jan 2003
Posts: 1,307
BC, Canada
Black_Bee Offline
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BC, Canada
Isky iron adjustable rockers hit the baffles on my stock 1969 valve covers with a .525" solid lift cam. If your lift is significantly less, those rockers might not hit, but the if the same or higher, they will probably hit.

beer


Paul
'69 Super Bee 383 EFI Turbo
Re: 383 build need to use adjustable rockers [Re: Tommy The Chryco] #2486953
04/23/18 08:05 PM
04/23/18 08:05 PM
Joined: Oct 2007
Posts: 733
New York
R/T1968R/T Offline
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R/T1968R/T  Offline
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New York
The Crane adjustibles are actually thinner at the valve tip than the Iskys. Mine fit fine with the Mopar .557

Re: 383 build need to use adjustable rockers [Re: R/T1968R/T] #2486956
04/23/18 08:15 PM
04/23/18 08:15 PM
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Posts: 43,007
Bend,OR USA
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Cab_Burge Offline
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Bend,OR USA
It is usually the adjuster end tip that hits the baffles on stock covers, if you use a shorter pushrod you can help those clearances a little as long as you don't get the adjuster to far out work scope
I have massaged whistling more than one stock baffle, I have also removed them which I shouldn't have tsk realcrazy


Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
Re: 383 build need to use adjustable rockers [Re: Cab_Burge] #2486991
04/23/18 10:19 PM
04/23/18 10:19 PM
Joined: Jan 2007
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IN
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ahy Offline
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IN
I used Comp "pro magnum" cast alloy steel rockers. Pushrods were set so about 1 1/2 threads showed... as desired. Geometry was good. I did use MP cast Al black valve covers. I do not know if these have more or less clearance vs stock covers.

Re: 383 build need to use adjustable rockers [Re: Tommy The Chryco] #2487043
04/23/18 11:38 PM
04/23/18 11:38 PM
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Chicago
PurpleBeeper Offline
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Chicago
This is puzzling me right now. My current motor has Isky rockers & with a 292/509 Mopar purple shaft cam I hit the baffles. I removed the baffles and I'm sucking oil through the PCV valve. I added a slightly modified compressor air/water separator, but I really need to get baffles back in the valve covers.

The double gasket idea sounds like a really good one.

I've got some "truck" big block valve covers I could use, but I'm not sure if the baffles are any higher up even though valve covers are slightly taller.

I have no idea which adjustables are "low profile". I will be watching this thread closely.

Last edited by PurpleBeeper; 04/23/18 11:40 PM.

70 Roadrunner convt. street car 440+6, NOS, 4-spd, SS springs '96 Mustang GT convt. street car '04 4.6 SOHC, NOS, auto, lowered "Officer, that button is for short on-ramps"
Re: 383 build need to use adjustable rockers [Re: PurpleBeeper] #2487052
04/24/18 12:02 AM
04/24/18 12:02 AM
Joined: Feb 2005
Posts: 4,309
Prospect, PA
BSB67 Offline
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BSB67  Offline
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Posts: 4,309
Prospect, PA
I've used Crane iron, Isky iron, Crane alum., and Comp Magnums with .500 to .630 lift with stock valve covers. Slight baffle tweaking, but never removed any.







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