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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8202 Blaster 2 Hi-Performance Coil

Product ID: 274944288

Details

Brand
MSD
Connector gender
male
Item dimensions L x W x H
23 x 18 x 18
Item weight
580 Grams
Vehicle service type
['Cars'

⚡100:1 turns ratio for max voltage

🔥Premium oil-filled metal canister for superior cooling

🛡️High dielectric alkyd tower resists carbon tracking

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COP 598843

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Description

⚡ Ignite your drive with the MSD 8202 Blaster 2 — where power meets precision!

COOL UNDER FIRE - Premium oil-filled metal canister dissipates heat efficiently, maintaining peak performance even in extreme conditions.
BUILT TO OUTLAST - High dielectric alkyd tower minimizes carbon tracking, ensuring long-term reliability under pressure.
CARB E O APPROVED - Meets stringent emissions standards, so you can boost performance without compromise.
SEAMLESS COMPATIBILITY - Works flawlessly with Blaster Ignition and MSD 5, 6, 7 Series (ballast resistor required for points) for versatile upgrades.
UNLEASH PEAK IGNITION POWER - Optimized 100:1 turns ratio delivers explosive spark energy for flawless engine starts.

The MSD 8202 Blaster 2 Hi-Performance Coil is a premium ignition coil designed for electronic ignitions and MSD series systems. Featuring a 100:1 turns ratio and low primary resistance, it delivers high voltage output for superior spark energy. Its alkyd tower resists carbon tracking, while the oil-filled metal canister ensures efficient cooling. CARB E.O. approved, this coil guarantees reliable, emissions-compliant performance for professional-grade automotive ignition upgrades.

Specifications

ASIN	B000182BDK
Automotive Fit Type	Universal Fit
Best Sellers Rank	#28,963 in Automotive ( See Top 100 in Automotive ) #16 in Car Ignition Coils
Brand Name	MSD
Compatible with Vehicle Type	['Cars', 'Trucks', 'SUVs']
Connector Gender	male
Customer Reviews	4.7 4.7 out of 5 stars (1,118)
Global Trade Identification Number	00085132082025
Included Components	MSD 8202 Blaster 2 Hi-Performance Coil
Installation Type	Bolt-On
Item Dimensions	23 x 18 x 18 millimeters
Item Type Name	MSD 8202 Blaster 2 Hi-Performance Coil
Item Weight	580 Grams
Manufacturer	MSD Ignition
Manufacturer Part Number	8202
Model Number	8202
OEM Equivalent Part Number	8202
Part Interchange Info	8202
UPC	085132082025
Unit Count	1 Count

Reviews

桑**二

日産パオにポン付けしました。以前は雨天時にストールしていましたが晴天時と変わりなくアイドリングが安定しました。エキゾーストパイプから水分と黒いススが混ざった物がアイドリング時に垂れていましたが、燃焼状態が良くなった影響なのか、出なくなりました。燃費は計算してないけど以前と変わらないと思います。

21.04.2026

S**!

👍 top

17.11.2024

B**Y

Numéro 1

29.07.2025

S**S

Just as I expected, works great

11.03.2026

M**N

Good quality, but has to be fitted upright. Comes with no bracket. Works very strongly though.

26.04.2026

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