How much horsepower does an 89 Camaro iroc-z with a 305 HAVE?

Answer 1

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Sport Coupe dropped, replaced by returning RS model. 1989 Chevy Camaro RS now available with LO3 V-8. Headlight pockets on RS no longer painted black. '89 Camaros now came with rear shoulder belts. The Corvette PASS-KEY ignition lock system was adopted for all 1989Chevrolet Camaros.The base 15 inch IROC wheel was restyled to have the appearance of the optional 16 inch wheel. P245/50ZR-16 tires replaced the P245/50VR-16 tires on the IROC-Z when equipped with the 16 inch wheels. TPI motors got better performing `Multec' fuel injectors. The exterior of the TPI plenum changed slightly: the ridges on top of the plenum did not extend as far forward. Calibration refinements eliminated the cold start injector.Four wheel disc optioned (J65) IROC-Z's rear brakes were increased in size from 10.5 inch rotors to 11.65 inch rotors with PBR Australian built aluminum calipers and more reliable parking brake actuators. Front discs still had 10.5 inch rotors with Delco-Moraine single piston calipers. G92 option included N10 performance exhaust system (dual catalytic converters) which increased power output by 13% on cars so equipped. For 1989, G92 also required the following options: * 5.7 TPI motor (B2L) or 5.0 TPI motor (LB9) with 5 speed (MM5) manual. 16 inch wheels (N96) P245/50ZR-16 Goodyear Gatorback tires (QLC) Limited slip differential (G80) Rear disc brakes (J65) * Engine oil cooler (KC4) G92 and J65 (rear disc brakes) no longer available on IROC-Z convertible.G92 and J65 (rear disc brakes) no longer available on LB9 automatic IROC-Z.1LE performance package option (option level 0 IROC-Z) became more well-known. 1LE package was obtained by ordering the following: * Level 1 IROC-Z with 5.0 TPI engine with 5 speed or 5.7 TPI engine Optional axle ratio (G92) (305/3.45, 350/3.27) and its required options. * Air conditioning delete (C41) (standard heater) Then the 1LE performance package was installed consisting of: * Fog lamp delete Aluminum driveshaft (JG1) Performance exhaust system (N10) (dual catalytic converters) Special deflected disc shocks Aluminum spare wheel with smaller spare tire (N64) Larger (11.86 inch) front rotors with Girlock or PBR Australian built HD front dual piston aluminum calipers Special swinging fuel pickup in gas tank and special 18 gallon baffled fuel tank for fuel pickup down to .5 gallon reserve to prevent fuel starvation in hard cornering. * Some came with special 16x8 light alloy mesh wheels. (XWL) 111 1989 1LE IROC-Z's were produced. A new progressive throttle linkage was added to give smoother initial acceleration. The throttle had a smaller rate of advance at beginning of travel, and a larger ratio as the throttle was depressed ====== {| ! valign="bottom" | Yr ! valign="bottom" | Model ! valign="bottom" | Trans ! valign="bottom" | Engine

code/type ! valign="bottom" | CR ! valign="bottom" | Displ. ! valign="bottom" | HP ! valign="bottom" | Torque ! valign="bottom" | Induc-

tion ! valign="bottom" | Manual

std. ! valign="bottom" | Manual

opt.

(G92) ! valign="bottom" | Auto

std. ! valign="bottom" | Auto

opt.

(G92) | 89 RS

Firebird M5,A4 LB8 V6 8.9:1 2.8 (173) 135@4900 160@3900 MFI 3.42 ---- 3.42 ---- 89 RS

Firebird M5,A4 LO3 V8 9.3:1 5.0 (305) 170@4400 255@2400 TBI 3.08 ---- 2.73 ---- 89 IROC-Z

Formula

Trans Am M5,A4 LO3 V8 9.3:1 5.0 (305) 170@4400 255@2400 TBI 3.08 ---- 2.73 ---- 89 IROC-Z

Formula

Trans Am A4 LB9 V8 9.3:1 5.0 (305) 195@4000 295@2800 TPI ---- ---- 2.73 ---- 89 IROC-Z

Formula

Trans Am M5 LB9 V8 9.3:1 5.0 (305) 220@4400 290@3200 TPI 3.08 ---- ---- ---- 89 IROC-Z

Formula

Trans Am

GTA M5 LB9 V8 9.3:1 5.0 (305) 230@4600 300@3200 TPI ---- 3.45* ---- ---- 89 IROC-Z

Formula

Trans Am A4 L98 V8 9.3:1 5.7 (350) 230@4400 330@3200 TPI ---- ---- 2.77* ---- 89 IROC-Z

Formula

Trans AM

GTA A4 L98 V8 9.3:1 5.7 (350) 240@4400 345@3200 TPI ---- ---- ---- 3.27* 89 Turbo Trans Am (TTA) A4 LC2 V6 8.0:1 3.8 (231) 250@4400 340@2800 SFI ---- ---- 3.27* ---- *Borg-Warner rear axle |}