What is the internal primary resistance of this coil?

Coil Specs from MSD's web page. Hope that helps. Turns ratio: 100:1Primary resistance: .7 OHMsSecondary resistance: 4.5K OHMsInductance: 8 mHMaximum voltage: 45,000 VoltsPeak current: 140 mASpark duration: 350 uSWeight: N/Ahttps://www.msdignition.com/Products/Coils/Stock_Replacement/8202_-_Blaster_2_Coil_Hi-Performance.aspx

I have a 1984 302 , will I need a ballast resistor to run this?

If you have electronic ignition No, if you have contact points Yes b

Will this work for my john deere 1010 gas with 12v system?

in all likelihood, yes. there may be some issue that i don't know about with some electronic ignitions, but you will probably be happy.

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Description

⚡ Ignite your engine’s potential with the MSD8202 Blaster 2 – where power meets precision!

ELECTRIFY YOUR RIDE - High voltage output with 100:1 turns ratio powers up your ignition like never before.
CERTIFIED PERFORMANCE - CARB E.O. approved for compliance without compromising power.
PLUG PLAY PRECISION - Bolt-on design with vehicle-specific fit means effortless installation and perfect compatibility.
STAY COOL UNDER PRESSURE - Premium-grade oil-filled metal canister ensures optimal cooling and durability during intense drives.
CARBON TRACKING NOT HERE - Alkyd tower with superior dielectric properties resists carbon tracking for long-lasting performance.

The MSD8202 Ignition Canister Coil Blaster 2 Series delivers high-performance ignition with a 100:1 turns ratio and low primary resistance for maximum voltage output. Its premium oil-filled metal canister ensures superior cooling, while the alkyd tower resists carbon tracking for durability. Designed for easy bolt-on installation with vehicle-specific fit, it supports MSD 5, 6, and 7 Series ignitions and is CARB E.O. approved for regulatory compliance.

Specifications

Brand	MSD
Item dimensions L x W x H	0.9 x 0.7 x 0.7 inches
Vehicle Service Type	Car, Truck
Item Weight	580 Grams
Connector Gender	male
Installation Type	Bolt-On
Manufacturer	MSD Ignition
UPC	085132082025
Automotive Fit Type	Vehicle Specific Fit
OEM Part Number	8202
Global Trade Identification Number	00085132082025
Item Package Dimensions L x W x H	7.28 x 3.74 x 2.72 inches
Package Weight	0.84 Kilograms
Item Dimensions LxWxH	0.9 x 0.7 x 0.7 inches
Brand Name	MSD
Warranty Description	Warranty
Model Name	MSD 8202 Blaster 2 Hi-Performance Coil
Color	No Color
Material	Plastic
Suggested Users	unisex-adult
Number of Items	1
Part Number	8202
Included Components	MSD 8202 Blaster 2 Hi-Performance Coil
Size	No Size

Reviews

G**

Tool

GREAT 😃

7.08.2025

B**E

Works great

Worked great!

13.08.2025

A**M

More power

Works great

19.07.2025

I**E

I could feel a difference

Matched to an MSD CD box that blew two stock coils. Already lasted longer than the stock replacements.

10.06.2025

D**V

Great product

Used 2 coils on 85 RX-7. Great product from MSD.

6.01.2025

C**R

Works great

Used on 1st generation Chevy 350 and ignition has been working good. Strong spark!

24.01.2025

R**N

Four Stars

Does its job as advertisededit: after only 3 1/2 months the coil began to separate from the plug connector housing to the main body, There was fluid leak from it and once I removed it I could feel something moving inside. Thankfully MSD has a 1 year warranty so I was able to get a free replacement through Amazon but I would like to think such a well known brand as this would not have these types of product problems.

18.05.2015

C**N

Spare 4 Trunk.

Haven't used it yet but it's in the trunk as a spare just in case my old super coil gives out on me. More for piece of mind along with a spare ignition box and some tools. Beats sitting on the side of the road when your old car craps out.

25.11.2024

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