Anyone using MSD 8366 Distributor
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Joined: Nov 2009
Posts: 35
Likes: 1
From: Mersea island near Colchester Essex
Car: ProCharged 1988 Trans Am GTA
Engine: 383 stroker with TPiS miniram
Transmission: fully built 700R4
Axle/Gears: late model 4th gen axle
Anyone using MSD 8366 Distributor
I am thinking of using the MSD 8366 Distributor as the wiring on my 88 GTA should plug straight into it.
Has anyone got one of these or used one on their builds?
It will be going on a ProCharged 383 Stroker with a TPiS Miniram
I have heard some bad things but also good things about these distributors so any advice would be greatly appreciated
Or if anyone has any recommendations for a distributor for my sort of set up would be great
Has anyone got one of these or used one on their builds?
It will be going on a ProCharged 383 Stroker with a TPiS Miniram
I have heard some bad things but also good things about these distributors so any advice would be greatly appreciated
Or if anyone has any recommendations for a distributor for my sort of set up would be great
Joined: Mar 2005
Posts: 615
Likes: 27
From: Austin TX
Car: 89 Formula
Engine: 383 SBC/HSR
Transmission: 700R4
Axle/Gears: 3.73
Re: Anyone using MSD 8366 Distributor
Yes, I'm using one. The older models dealt with internal rust/corrosion, due to moisture build-up. I heard they now use a different material to alleviate that. Mine is used along with a Crane CD ignition box and LX-91 high-output coil. Works great for my 383 street/strip application.
I wouldn't use it for a regular street car. For the price, it's just not necessary.
I wouldn't use it for a regular street car. For the price, it's just not necessary.
Last edited by heat seeker; Jan 18, 2021 at 09:25 AM.
Thread Starter
Junior Member

Joined: Nov 2009
Posts: 35
Likes: 1
From: Mersea island near Colchester Essex
Car: ProCharged 1988 Trans Am GTA
Engine: 383 stroker with TPiS miniram
Transmission: fully built 700R4
Axle/Gears: late model 4th gen axle
Re: Anyone using MSD 8366 Distributor
I was thinking of getting that along with the MSD 6AL ignition box and MSD leads but yes it is expensive.
Joined: Mar 2005
Posts: 615
Likes: 27
From: Austin TX
Car: 89 Formula
Engine: 383 SBC/HSR
Transmission: 700R4
Axle/Gears: 3.73
Re: Anyone using MSD 8366 Distributor
Ok, good idea. I also had to adjust my air/fuel cranking tables to get the car to start properly. Not sure if you'll need to do that or not.
Thread Starter
Junior Member

Joined: Nov 2009
Posts: 35
Likes: 1
From: Mersea island near Colchester Essex
Car: ProCharged 1988 Trans Am GTA
Engine: 383 stroker with TPiS miniram
Transmission: fully built 700R4
Axle/Gears: late model 4th gen axle
Re: Anyone using MSD 8366 Distributor
Thanks for the help and advice
Joined: Dec 2004
Posts: 16,771
Likes: 1,001
From: Mile High Country !!!
Car: 1967 Camaro, 91 z28
Engine: Lb9
Transmission: M20
Axle/Gears: J65 pbr on stock posi 10bolt
Re: Anyone using MSD 8366 Distributor
It seems like the icm is cheap and if it fails you can solder in a acdelco.
they reluctor does corrode but they are a slight press fit with a key.
a msd prd10071 marine reluctor is a direct replacement.
or look at Davis unified distributor
they reluctor does corrode but they are a slight press fit with a key.
a msd prd10071 marine reluctor is a direct replacement.
or look at Davis unified distributor
Joined: Sep 2000
Posts: 2,504
Likes: 195
From: Moorpark, CA
Car: '91 GTA, '92 T/A Convertible
Engine: GTA: 350 w/Vortec heads, T/A: 305
Transmission: Pro-built 700R4
Axle/Gears: GTA: 3.27, T/A: 2.73
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Joined: Mar 2017
Posts: 4,255
Likes: 427
From: Portland, OR
Car: 86 Imponte Ruiner 450GT, 91 Formula
Engine: 350 Vortec, FIRST TPI, 325 RWHP
Transmission: 700R4 3000 stall.
Axle/Gears: 9 Bolt Torsen 3.70
Re: Anyone using MSD 8366 Distributor
A Procharged 383 has the potential to need some pretty big injectors. I would suggest going to full sequential injection and using a Dual Sync distributor with external igniter so you have a chance at idling with injectors in the 100lb neighborhood.
If you want to stick with that small cap design then Davis Unified Ignition (DUI) would be a better choice than the MSD. Before I went sequential that's all I used and never had a problem.
GD
If you want to stick with that small cap design then Davis Unified Ignition (DUI) would be a better choice than the MSD. Before I went sequential that's all I used and never had a problem.
GD
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