MSD 5591 vs 8366, Small Cap Distributor
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Joined: Mar 2023
Posts: 5
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From: Albuquerque NM
Car: 1989 Corvette, 1991 Corvette, 1985
Transmission: ZF6 and 4+3
MSD 5591 vs 8366, Small Cap Distributor
Hey guys, Corvette friend here asking about small cap distributors...
What is the difference between the MSD 5591 and the 8366? Is it just that one is billet and one is cast? The billet one presumably is "stiffer" or something and so gives more mechanically stable spark lol?
Any other small cap distributors to consider?
Thanks!
What is the difference between the MSD 5591 and the 8366? Is it just that one is billet and one is cast? The billet one presumably is "stiffer" or something and so gives more mechanically stable spark lol?
Any other small cap distributors to consider?
Thanks!
Joined: Dec 2004
Posts: 16,774
Likes: 1,002
From: Mile High Country !!!
Car: 1967 Camaro, 91 z28
Engine: Lb9
Transmission: M20
Axle/Gears: J65 pbr on stock posi 10bolt
Re: MSD 5591 vs 8366, Small Cap Distributor
Just a guess the 5591 looks like cast aluminum vs billet. Probably has a different pu coil and bushings vs bearings for the shaft.
Joined: Dec 2004
Posts: 16,774
Likes: 1,002
From: Mile High Country !!!
Car: 1967 Camaro, 91 z28
Engine: Lb9
Transmission: M20
Axle/Gears: J65 pbr on stock posi 10bolt
Re: MSD 5591 vs 8366, Small Cap Distributor
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