1986 Chevy Camaro '86

dave8412  Jun 6 2006 - 4:28pm   

1986 Chevrolet Camaro

1986 Chevrolet Camaro History



1986 Camaro Sport Coupe restyled and upgraded. New lower body striping, black headlamp pockets, black mirrors, and F41 suspension calibration standard. New silver 15x7 (up from the 14x7 rally wheel) steel 5 spoke rally wheels became standard equipment on the 1986 Chevy Camaro Sport Coupe. 1986 Chevrolet Camaro Sport Coupe also got the previous year's 1985 Chevy Camaro Z28 taillights with the horizontal black separator bar. The Berlinetta model was discontinued early in the year.Late in the 1986 model year, the 85mph speedometer in the Z28 and IROC-Z were replaced with a new 145 mph unit. All 1986 Chevrolet Camaros had the newly required CHMSL (center high mounted stop light) mounted externally on the leading edge of the hatchback glass. This was the only year Z28's and IROC-Z's had the CHMSL mounted here. Fog lamps were now available on the Sport Coupe and Berlinetta, and the fog lamp/`CAMARO' front grille assembly of the '86 Camaro IROC was now available on the regular '86 Camaro Z28. New clear coat/base coat paint was adopted this year.The original 215hp 305 TPI motor came out in 1985 available both in the Z28 and IROC-Z. The motor was detuned for 1986 losing 25hp due to a cam change. Torque was increased though, from 275 to 285. Automatic transmissions were required on all 1985/1986 TPI powered cars.

1985 vs. 1986 305 TPI cams:
1985 305 TPI
215 HP / 275 Lb.Ft.
Tach: Yellow 5000
Red 5500
Lift:
Intake .404
Exhaust .415
Duration:
Intake 320
Exhaust 320
1986 305 TPI
190 HP / 285 Lb.Ft.
Tach: Yellow 4500
Red 5000

.350
.385

307
311

All 305 TPI (LB9) motors (1985-1992) came with one of two basic cam grinds. An easy way to identify the type of cam on an LB9 car is to look at the tach: the lesser cams have a yellow line at 4500 and red line at 5000; the hotter cams have a yellow line at 5000 and red line at 5500. See chart at end of chronology for more cam info.LG4 305 V-8 cars got electric cooling fan.G92 performance axle ratio available only on Z28 and IROC-Z.Records show that 74 L69 (5.0 liter H.O.) Camaros were built. The L69 is shown as being available in the 1986 Camaro brochure, but it was put on strict restriction. It's rumored that records also show that 50 1986 350 (5.7) IROC's were built. These cars were built primarily for testing and were the ones we saw tested by the automotive press late in 1986. These 350 IROC's (being 1986's) had the externally mounted third brake light on the hatch glass and the pre-1987 head/edge mounted valve cover design. The 350 in the IROC-Z differed from the Corvette 350 TPI in that the IROC-Z 350 TPI had the regular Camaro valve covers, iron heads, (instead of aluminum) and iron exhaust manifolds. At the last minute it was decided that the 1986 350 IROC would not be available. Originally it had been planned to release them without T-Tops and air conditioning. Fortunately, they decided to wait for the 1987 model year to start production of the 350 IROC with both being optional.

Paint RPO's change for a new base-coat, clear-coat process. The 305 H.O L69 was discontinued because of fuel boiling problems.

1986 Chevrolet Camaro Drivetrain List

Yr Model Trans Engine
code/type
CR Displ. HP Torque Induc-
tion
Manual
std.
Manual
opt.
(G92)
Auto
std.
Auto
opt.
(G92)
86 Sport Coupe
Berlinetta
M5,A4 LB8 V6 8.9:1 2.8 (173) 135@5100 160@3900 MFI 3.42 ---- 3.42 ----
86 Sport Coupe M5,A4 LG4 V8 9.5:1 5.0 (305) 155@4200 245@2000 4bbl 2.73 ---- 2.73 ----
86 Berlinetta A4 LG4 V8 9.5:1 5.0 (305) 155@4200 245@2000 4bbl ---- ---- 2.73 ----
86 Z28 M5,A4 LG4 V8 9.5:1 5.0 (305) 165@4400 250@2000 4bbl 3.23 3.73 2.73 ----
86 Z28 M5 *L69 V8 9.5:1 5.0 (305) 190@4800 240@3200 4bbl HO 3.23 3.73 ---- ----
86 Z28 A4 LB9 V8 9.5:1 5.0 (305) 190@4000 285@2800 TPI ---- ---- 2.73 3.23
86 IROC-Z M5,A4 LG4 V8 9.5:1 5.0 (305) 165@4400 250@2000 4bbl 3.23 3.73 2.73 ----
86 IROC-Z M5 L69 V8 9.5:1 5.0 (305) 190@4800 240@3200 4bbl HO 3.23 3.73 ---- ----
86 IROC-Z A4 LB9 V8 9.5:1 5.0 (305) 190@4000 285@2800 TPI ---- ---- 2.73 3.42
86 IROC-Z A4 +L98 V8 9.0:1 5.7 (350) 220@4200 320@3200 TPI ---- ---- 3.27* ----
*only 74 produced   +rumored only 50 produced as test cars  *Borg-Warner rear axle

1986 Chevrolet Camaro Production Numbers

Year Total Production Z28 IROC-Z28 Berlinetta Sport Coupe
1986 192,219 88,132 49,585 4,479 99,608
 
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