Chevrolet Corvette Service Repair Manuals


1975 CORVETTE

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Major changes for 1975 involved the following:

V.I.N. NUMBERS

Position Character Description
1 1 Chevrolet Division
2 Z Corvette
3 & 4 67 convertible
37 coupe
5 * Engine type where * is replaced by the following
  • J = ZQ3 350-cid V8, 165-hp, 4-barrel
  • T = L82 350-cid V8, 205-hp, 4-barrel
6 5 1975
7 S Assembled in St. Louis, MO
8 to 13 400001 to 438465 production sequence
1 to 7 0001001sequential production number
8 F or TFlint, MI or Tonawanda, NY
9 to 11Carburetion & transmission Code Engine Compression transmission Carburetor
CUB 350-cid 165-hp V-8 8.5:1 manual four-barrel
CUD 350-cid 205-hp V-8 9.0:1 manual four-barrel
CRK 350-cid V-8   THM-400 automatic four-barrel
CRL 350-cid V-8   manual four-barrel
CRM 350-cid V-8   THM-400 automatic four-barrel
CUT 350-cid V-8   manual four-barrel
CUA 350-cid V-8   manual four-barrel
Color Vinyl Upholstery Leather Upholstery
Black 400 404
Silver 406 407
Neutral 408  
Dark Blue 413  
Saddle 415 416
Dark Red 425  

IDENTIFICATION

Series No. Body/Style No. Body Type Factory Price Shipping Weight Production Total
Z 37
2-dr. Sport Coupe with T-tops - 2 passenger

2-dr. Sport Coupe with T-tops - 2 passenger

$6810 3532 33,836
Z 67
2-dr. Conv - 2 passenger

2-dr. Conv - 2 passenger

$6550 3532 4,629

ENGINE

Feature Standard Engine (RPO ZQ3) Optional Engine (RPO L82)
TypeV-8, Overhead valve
BlockCast iron block
Displacement 350 cid 350 cid
Bore & Stroke 4.00 x 3.48" 4.00 x 3.48"
Compression ratio 8.5:1 9.0:1
Brake horsepower 165 @ 3800 205 @ 4800
Torque 255 lb-ft @ 2400 255 lb-ft @ 3600
Main bearingfive
Valve liftershydraulic
Camshaft   High-performance camshaft
Fuel supply Rochester Quadra-Jet four-barrel Model 4MV Rochester Quadra-Jet four-barrel

TRANSMISSION

CHASSIS

Feature Convertible Coupe
Wheelbase 98 inches (2.489 m) 98 inches (2.489 m)
Overall length 185.5 inches (4.712 m) 185.5 inches (4.712 m)
Overall width 69.0 inches (1.753 m) 69.0 inches (1.753 m)
Overall height   47.4 inches (1.204 m)
Ground Clearance 4.5 inches (11.4 cm) 4.5 inches (11.4 cm)
Front tread 58.7 inches (1.491 m) 58.7 inches (1.491 m)
Rear tread 59.4 inches (1.509 m) 59.4 inches (1.509 m)
Tires F70-15 F70-15
FrameFull-length welded-steel ladder type with five cross members. Steel box sections, welded.
Front suspensionIndependent, unequal-length A-arms, coil springs; tubular shocks and stabilizer bar
Rear suspensionIndependent, trailing arms, toe links, transverse chromium-carbon steel leaf spring, tube shocks, and anti-roll bar
SteeringSaginaw recirculating ball, 17.6:1 ratio, 2.9 turns to lock, 39.0 turning circle
Rear axle typeSprung differential, Hypoid gear
BrakesHydraulic, vented four wheel discs; 11.75-inch diameter, single calipers, optional power assist
Swept area11.75" front and back
Total swept area461 sq. in.
Wheels8" wide slotted steel 15" 5-lug disc
Standard rear axle ratio3.36:1
Optional rear axle ratio3.70:1, 3.08:1, 3.36:1, 3.55:1

OPTIONS

RPO Custom interior trim $154
RPO A31 Electric power windows $93
RPO A85 Custom shoulder belts $41
RPO C07 Auxiliary hardtop for convertible $267
RPO C08 Vinyl cover for auxiliary hardtop $350
RPO C50 Rear window defroster $46
RPO C60 Air conditioning $490
RPO FE7G81 Gymkhana suspension $7
RPO G81 Positraction rear axle, all ratios $12
RPO J50 Power brakes $50
RPO L82 350-cid 205-hp V-8 $336
RPO M21 Four-speed close-ratio manual transmission n/c
RPO M40 Turbo Hydra-Matic automatic transmission n/c
RPO N37 Tilt-telescopic steering wheel $82
RPO N40 Power steering $129
RPO QRM White stripe nylon steel-belted radial tires GR70 x 15 $35
RPO QRZ GR70 x 15 raised-white-letter steel-belted radial tires $48
RPO U05 Dual horns $4
RPO U58 AM-FM radio $284
RPO U69 AM-FM radio $178
RPO UA1 Heavy-duty battery $15
RPO UF1 Map light $5
RPO Z07 Off-road suspension and brake package $400

HISTORICAL NOTES

1975 Corvette Notes

PHOTOS

1975 Corvette

1975 Corvette

1975 Corvette

1975 Corvette

1975 Corvette

1975 Corvette



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