Operation CHARM: Car repair manuals for everyone.
Home >> Jeep >> 1983 >> Scrambler L4-150 2.5L VIN U 1-bbl >> Repair and Diagnosis >> Powertrain Management >> Tune-up and Engine Performance Checks >> Distributor >> Specifications >> Electrical Specifications
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Electrical Specifications

Distributor Ident. No.
Note: Stamped on distributor housing. If unit is checked on vehicle, double the RPM & degrees to get crankshaft figures. 		1103527 1110598 3233174 3242409
Centrifugal Advance Starts - 1/2 to 0 at 400 Degrees At RPM (deg @ rpm)- 1/2 to 0 at 400 Degrees At RPM (deg @ rpm)-3/4 to + 1/4 at 400 Degrees At RPM (deg @ rpm)- 1/2 to + 1/2 at 400 Degrees At RPM (deg @ rpm)
Intermediate Advance A 0-2 at 800 Degrees At RPM (deg @ rpm)0-2 at 800 Degrees At RPM (deg @ rpm)2 1/4 -4 1/2 at 800 Degrees At RPM (deg @ rpm)- 1/4 to +2 1/2 at 800 Degrees At RPM (deg @ rpm)
B 2-4 1/2 at 1200 Degrees At RPM (deg @ rpm)2 1/2 -4 1/2 at 1200 Degrees At RPM (deg @ rpm)3 1/2 -6 at 1200 Degrees At RPM (deg @ rpm)---
C 4-6 at 1600 Degrees At RPM (deg @ rpm)4-6 at 1600 Degrees At RPM (deg @ rpm)5-7 1/2 at 1600 Degrees At RPM (deg @ rpm)---
Full Advance 8 1/4 at 2050 Degrees At RPM (deg @ rpm)8 at 2000 Degrees At RPM (deg @ rpm)6 at 1000 Degrees At RPM (deg @ rpm)6 at 1000 Degrees At RPM (deg @ rpm)
Vacuum To Start Plunger 2 3/4-4 1/2 Inch Of Mercury (in Hg)3 1/2 -5 Inch Of Mercury (in Hg)2 1/2 -4 3/4 Inch Of Mercury (in Hg)2 1/2 -4 3/4 Inch Of Mercury (in Hg)
Max. Advance 10 1/2 at 7 Degrees At Inches Mercury (deg @ in hg)9 3/4 at 8 3/4 Degrees At Inches Mercury (deg @ in hg)12 1/2 at 18 Degrees At Inches Mercury (deg @ in hg)12 1/2 at 18 Degrees At Inches Mercury (deg @ in hg)
pro multis · About Operation CHARM