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PerTronix 91181 Ignitor II Adaptive Dwell Control, Delco 8 Cyl
PerTronix 91181 Ignitor II Adaptive Dwell Control, Delco 8 Cyl

PerTronix 91181 Ignitor II Adaptive Dwell Control, Delco 8 Cyl

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PerTronix 91181 Ignitor II Adaptive Dwell Control, Delco 8 Cyl
PerTronix 91181 Ignitor II Adaptive Dwell Control, Delco 8 Cyl
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Part # 44791181
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  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.

Details

GTIN Code:
694342007690
MFG. Part #:
91181

Info

The Ignitor II has many of the same great feature that the Ignitor has, but its smarter. Ignitor II units sense the coil current level and use a powerful micro controller to adjust the dwell. Variable dwell helps to maintain peak energy throughout the entire RPM range.

Features

Ignitor II systems develop up to 4 times more energy between 3000 and 5000 RPM than standard ignition systems. High RPM performance is improved when used with the Flame-Thrower II super low resistance (0.6 ohms) 45,000 volt coil.

  • Adaptive dwell maintains peak energy throughout the entire RPM range, reducing misfires while improving engine performance.
  • Develops on average 4 times more available energy between 3000 and 5000 RPM, and 2 times more available plug voltage.
  • Peak current level is reached just prior to spark for maximum energy without the heat build-up, increasing coil and module life.
  • Adjusts spark timing at higher RPMs to compensate for the inherent electronic delay.
  • Senses startup and develops more energy for quicker, easier starting. Built in reverse polarity and over current protection shuts down the system, preventing component damage.
  • Legal in all 50 states and Canada (C.A.R.B. E.O. #D-57-2).
  • Guaranteed for 30 months.

Installation Instructions (PDF)

Application

1956-74 Cadillac All models V8 (Mechanical advance at top of shaft, Fit both single point and dual point distributors, Not for use with solid core spark plug wires)
1956-74 Oldsmobile All models V8 (Mechanical advance at top of shaft, Fit both single point and dual point distributors, Not for use with solid core spark plug wires)
1957-74 GMC Truck All models V8 (Mechanical advance at top of shaft, Fit both single point and dual point distributors, Not for use with solid core spark plug wires, Complete “Stock-Look” distributors available on page 42)
1957-74 Pontiac All models V8 (Mechanical advance at top of shaft, Fit both single point and dual point distributors, Not for use with solid core spark plug wires)
1957-74 Buick All models V8 (Mechanical advance at top of shaft, Fit both single point and dual point distributors, Not for use with solid core spark plug wires)
1957-74 Chevrolet All models V8 (Mechanical advance at top of shaft, Fit both single point and dual point distributors, Not for use with solid core spark plug wires, Complete “Stock-Look” distributors available on page 42)
1958-70 AMC Rebel V8 (Mechanical advance at top of shaft, Fit both single point and dual point distributors, Not for use with solid core spark plug wires)
1958-74 AMC Ambassador V8 (Mechanical advance at top of shaft, Fit both single point and dual point distributors, Not for use with solid core spark plug wires)
1959-64 IHC Truck 266-345 cid. engine V8 (Mechanical advance at top of shaft, Fit both single point and dual point distributors, Not for use with solid core spark plug wires)
1960-61 Studebaker Lark & Regal V8 (Mechanical advance at top of shaft, Ignitor version available in 12V positive ground, add P12 suffix, Fit both single point and dual point distributors, Not for use with solid core spark plug wires)
1961-66 AMC Classic V8 (Mechanical advance at top of shaft, Fit both single point and dual point distributors, Not for use with solid core spark plug wires)
1964-74 Checker Cab All models V8 (Mechanical advance at top of shaft, Not for use with solid core spark plug wires)
1965-66 Studebaker All models V8 (Mechanical advance at top of shaft, Ignitor version available in 12V positive ground, add P12 suffix, Fit both single point and dual point distributors, Not for use with solid core spark plug wires)
1965-67 AMC Marlin V8 (Mechanical advance at top of shaft, Fit both single point and dual point distributors, Not for use with solid core spark plug wires)
1966-74 Jeep All models V8 (Mechanical advance at top of shaft, Fit both single point and dual point distributors, Not for use with solid core spark plug wires)
1968-74 AMC AMX, Javelin V8 (Mechanical advance at top of shaft, Fit both single point and dual point distributors, Not for use with solid core spark plug wires)
1970-74 AMC Hornet, Matador V8 (Mechanical advance at top of shaft, Fit both single point and dual point distributors, Not for use with solid core spark plug wires)

Notes

  • PerTronix 91181 Ignitor II Adaptive Dwell Control Delco 8 cyl
  • Compared to points, averages 4 times more available energy between 3000 & 5000 RPM
  • Adaptive dwell maintains peak energy throughout the entire RPM range, reducing misfires while improving engine performance
  • Develops on average 4 times more available energy between 3000 and 5000 RPM, and 2 times more available plug voltage
  • Peak current level is reached just prior to spark for maximum energy without the heat build-up, increasing coil and module life
  • Adjusts spark timing at higher RPMs to compensate for the inherent electronic delay
  • Senses startup and develops more energy for quicker, easier starting. Built in reverse polarity and over current protection shuts down the system, preventing component damage
  • Legal in all 50 states and Canada (C.A.R.B. E.O. #D-57-2)

Charts

Pertronix Ignitor I/II/III Comparison Chart

Some parts are not legal for use in California or other states with similar laws/regulations

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Videos & Articles
  • Looking for an easy performance upgrade to your ignition system? MSD's line of Ignition Control Boxes offer extreme improvements to drivability and high rpm applications. Here's a look at the differences between the 6 series line-up.
  • Pat talks about our red solid core spark plug wire and rajah ends.
  • One of the most important parts of your racing operation is the engine. This article gives a detailed overview on how to maintain your engine to get the most out of it for as long as possible. Also learn some tips to prolong the life of your engine.
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  • Speedway Motors has some great tips on how to get the best performance out of your ignition system. Let's take a look at the the GM HEI style distributor, possibly one of the most affordable performance distributors today.
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