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Home > Opel > Manta > 1973 > calvin's Opel Manta

Vehicle Owner

Member ID: thecalvin

Location: St louis, Missouri

Vehicle Info

1973 Opel Manta

Bragging Rights

  • Top Speed144 mph
  • HP185
  • Weight1995 lbs

Major Upgrades

  • stroke-increase
  • bore-increase
  • port and polish

Ratings

    • Currently 3/5 Stars.
    • Currently 3/5 Stars.

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Last updated: Dec 25, 2007

Hits: 19,747

calvin’s Opel Manta:
“BMWKLR”

  • Currently 3/5 Stars.
12 guestbook comments

thecalvin's 1973 Opel Manta St louis, MO Customized with Xtant Speakers, Xtant Tweeters, Kenwood Head Unit, VDO Gauges, Sumitomo Tires, Hella Lighting, KONI Shocks, Wilwood Brakes, Comp Cam Engine Comps., Custom Strut Bars, Custom Exhaust, Custom Header, Custom Intake, Crane Cams Ignition, GM Performance Parts Transmission, Recaro Seats, MOMO Steering Wheel - 1


This is a 1973 Opela Manta Rally. It wieghs 1995LBS + or minus a few pounds

thecalvin's 1973 Opel Manta St louis, MO Customized with Xtant Speakers, Xtant Tweeters, Kenwood Head Unit, VDO Gauges, Sumitomo Tires, Hella Lighting, KONI Shocks, Wilwood Brakes, Comp Cam Engine Comps., Custom Strut Bars, Custom Exhaust, Custom Header, Custom Intake, Crane Cams Ignition, GM Performance Parts Transmission, Recaro Seats, MOMO Steering Wheel - 6

The orginal 1.9 has been bored out to 2.415 and uses camaro flattop 20 over 305 pistons.

thecalvin's 1973 Opel Manta St louis, MO Customized with Xtant Speakers, Xtant Tweeters, Kenwood Head Unit, VDO Gauges, Sumitomo Tires, Hella Lighting, KONI Shocks, Wilwood Brakes, Comp Cam Engine Comps., Custom Strut Bars, Custom Exhaust, Custom Header, Custom Intake, Crane Cams Ignition, GM Performance Parts Transmission, Recaro Seats, MOMO Steering Wheel - 9

The 1.9 head is ported and polished the valves are 1.84 on the intakes and 1.50 on the exhaust side. compression is 10.5.1.
The camm has 430 lift and 270 adv dur @50 with 108 degree sep. Just upgraded to dual DCO webers 48ies and added a roller rocker set-up.

thecalvin's 1973 Opel Manta St louis, MO Customized with Xtant Speakers, Xtant Tweeters, Kenwood Head Unit, VDO Gauges, Sumitomo Tires, Hella Lighting, KONI Shocks, Wilwood Brakes, Comp Cam Engine Comps., Custom Strut Bars, Custom Exhaust, Custom Header, Custom Intake, Crane Cams Ignition, GM Performance Parts Transmission, Recaro Seats, MOMO Steering Wheel - 10

show here with the stud girltle removed. What it neat about Opel CIH engines is the roller rockers have roller tips at both ends.

3.89 rear end

thecalvin's 1973 Opel Manta St louis, MO Customized with Xtant Speakers, Xtant Tweeters, Kenwood Head Unit, VDO Gauges, Sumitomo Tires, Hella Lighting, KONI Shocks, Wilwood Brakes, Comp Cam Engine Comps., Custom Strut Bars, Custom Exhaust, Custom Header, Custom Intake, Crane Cams Ignition, GM Performance Parts Transmission, Recaro Seats, MOMO Steering Wheel - 5

75 big brakes pacakge with slotted rotors, 4 extra sets of sway bars. much biggger springs lowered, 215x50x13 on 7' british revolution racing wheels.

thecalvin's 1973 Opel Manta St louis, MO Customized with Xtant Speakers, Xtant Tweeters, Kenwood Head Unit, VDO Gauges, Sumitomo Tires, Hella Lighting, KONI Shocks, Wilwood Brakes, Comp Cam Engine Comps., Custom Strut Bars, Custom Exhaust, Custom Header, Custom Intake, Crane Cams Ignition, GM Performance Parts Transmission, Recaro Seats, MOMO Steering Wheel - 4

Just swapped the short 1.15 inch header for a tuned 1 5/8th per pipe thick 4 into 2 into 1 tuned exhaust with a super long collector to a 2.5 pipe to a glasspack. Est HP 185

thecalvin's 1973 Opel Manta St louis, MO Customized with Xtant Speakers, Xtant Tweeters, Kenwood Head Unit, VDO Gauges, Sumitomo Tires, Hella Lighting, KONI Shocks, Wilwood Brakes, Comp Cam Engine Comps., Custom Strut Bars, Custom Exhaust, Custom Header, Custom Intake, Crane Cams Ignition, GM Performance Parts Transmission, Recaro Seats, MOMO Steering Wheel - 7


thecalvin's 1973 Opel Manta St louis, MO Customized with Xtant Speakers, Xtant Tweeters, Kenwood Head Unit, VDO Gauges, Sumitomo Tires, Hella Lighting, KONI Shocks, Wilwood Brakes, Comp Cam Engine Comps., Custom Strut Bars, Custom Exhaust, Custom Header, Custom Intake, Crane Cams Ignition, GM Performance Parts Transmission, Recaro Seats, MOMO Steering Wheel - 12

If you are a BMW Z3, 2002ti, 318 or 320, porsche 914 or non turbo 944 you are toast.

thecalvin's 1973 Opel Manta St louis, MO Customized with Xtant Speakers, Xtant Tweeters, Kenwood Head Unit, VDO Gauges, Sumitomo Tires, Hella Lighting, KONI Shocks, Wilwood Brakes, Comp Cam Engine Comps., Custom Strut Bars, Custom Exhaust, Custom Header, Custom Intake, Crane Cams Ignition, GM Performance Parts Transmission, Recaro Seats, MOMO Steering Wheel - 3

Of course it started like this

thecalvin's 1973 Opel Manta St louis, MO Customized with Xtant Speakers, Xtant Tweeters, Kenwood Head Unit, VDO Gauges, Sumitomo Tires, Hella Lighting, KONI Shocks, Wilwood Brakes, Comp Cam Engine Comps., Custom Strut Bars, Custom Exhaust, Custom Header, Custom Intake, Crane Cams Ignition, GM Performance Parts Transmission, Recaro Seats, MOMO Steering Wheel - 8

and this kinda says it all

thecalvin's 1973 Opel Manta St louis, MO Customized with Xtant Speakers, Xtant Tweeters, Kenwood Head Unit, VDO Gauges, Sumitomo Tires, Hella Lighting, KONI Shocks, Wilwood Brakes, Comp Cam Engine Comps., Custom Strut Bars, Custom Exhaust, Custom Header, Custom Intake, Crane Cams Ignition, GM Performance Parts Transmission, Recaro Seats, MOMO Steering Wheel - 11

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Vehicle Owner

Member ID: thecalvin

Location: St louis, Missouri