MSD ready to run, with rpm heads?
#3063399
07/28/22 06:52 PM
07/28/22 06:52 PM
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Joined: Nov 2010
Posts: 3,696
jersey
Spaceman Spiff
OP
master
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OP
master
Joined: Nov 2010
Posts: 3,696
jersey
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Is anyone running a MSD ready to run distributor, on an RB with edelbrock rpm heads?
Any clearance issues? Thanks!
526 cubes of angry wedge, pushbutton shifted, 9 passenger killer!
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Re: MSD ready to run, with rpm heads?
[Re: Spaceman Spiff]
#3065717
08/06/22 10:39 AM
08/06/22 10:39 AM
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Joined: Feb 2013
Posts: 141
Missouri
randavis
member
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member
Joined: Feb 2013
Posts: 141
Missouri
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I have Edelbrock RPM Performer heads on a RB. I had to clearance the head a little with a grinder to get a Holley HyperSpark distributor to fit. I have not had any ill effects from the clearancing. I just took a little at a time until it fit and would rotate. The Hyperspark doesn't have a vacuum advance canister.
I seem to remember an adaptor available in the 70's to raise the distributor above the head, but that was a long time ago and CRS.
74 Challenger, bought it new. In 1978 I replaced the original 318 with a 446 and 727. Mild cam, Jardine headers, and Holley Sniper EFI.
New engine! 511" RB, Edelbrock Performer RPM heads, Eagle rotating assy, Comp hyd roller cam, Doug's 2" headers.
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Re: MSD ready to run, with rpm heads?
[Re: randavis]
#3066064
08/07/22 03:13 PM
08/07/22 03:13 PM
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Joined: Sep 2003
Posts: 19,408
north of coder
moparx
"Butt Crack Bob"
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"Butt Crack Bob"
Joined: Sep 2003
Posts: 19,408
north of coder
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"I seem to remember an adaptor available in the 70's to raise the distributor above the head, but that was a long time ago and CRS." wasn't that adapter used on B blocks to use the RB distributor ? i remember seeing a blueprint of that adapter somewhere, so that it could be fabbed up by a person out of aluminum bar stock. 
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Re: MSD ready to run, with rpm heads?
[Re: 70sixpkrt]
#3066091
08/07/22 05:11 PM
08/07/22 05:11 PM
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Joined: Nov 2010
Posts: 3,696
jersey
Spaceman Spiff
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master
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OP
master
Joined: Nov 2010
Posts: 3,696
jersey
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I'm running a MSD 8546 with Eddy heads with no clearance issues. This is what I have now, but I’m looking to go to vacuum advance.
526 cubes of angry wedge, pushbutton shifted, 9 passenger killer!
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